diff --git a/src/openforms/registrations/contrib/objects_api/handlers/v2.py b/src/openforms/registrations/contrib/objects_api/handlers/v2.py
index c3b29b29b1..0a840d54e2 100644
--- a/src/openforms/registrations/contrib/objects_api/handlers/v2.py
+++ b/src/openforms/registrations/contrib/objects_api/handlers/v2.py
@@ -10,7 +10,9 @@
 from glom import Assign, Path, glom
 
 from openforms.api.utils import underscore_to_camel
-from openforms.formio.typing import Component
+from openforms.formio.service import FormioData
+from openforms.formio.typing import Component, EditGridComponent
+from openforms.formio.typing.vanilla import FileComponent
 from openforms.typing import JSONObject, JSONValue
 
 from ..typing import ObjecttypeVariableMapping
@@ -81,7 +83,7 @@ def process_mapped_variable(
       which value needs to be written to which "object path" for the record data, for
       possible deep assignments.
     """
-
+    variable_key = mapping["variable_key"]
     target_path = Path(*bits) if (bits := mapping.get("target_path")) else None
 
     # normalize non-primitive date/datetime values so that they're ready for JSON
@@ -120,27 +122,96 @@ def process_mapped_variable(
                 assert target_path is not None
                 return AssignmentSpec(destination=target_path, value=value)
 
-        case {"type": "file", **rest}:
+        case {"type": "file"}:
             assert attachment_urls is not None
-            multiple = rest.get("multiple", False)
-            upload_urls = attachment_urls[mapping["variable_key"]]
-
-            transformed_value = str | list[str]
-
-            # for multiple uploads, replace the Formio file dicts with our upload URLs
-            if multiple:
-                transformed_value = upload_urls
-            # single file - return only one element *if* there are uploads
-            else:
-                transformed_value = upload_urls[0] if upload_urls else ""
-            value = cast(JSONValue, transformed_value)
+            value = _transform_file_value(
+                cast(FileComponent, component), attachment_urls
+            )
 
         case {"type": "map"}:
             assert isinstance(value, dict)
 
+        case {"type": "editgrid"} if attachment_urls is not None:
+            assert isinstance(value, list)
+            value = _transform_editgrid_value(
+                cast(EditGridComponent, component),
+                cast(list[JSONObject], value),
+                attachment_urls=attachment_urls,
+                key_prefix=variable_key,
+            )
         # not a component or standard behaviour where no transformation is necessary
         case None | _:
             pass
 
     assert target_path is not None
     return AssignmentSpec(destination=target_path, value=value)
+
+
+def _transform_file_value(
+    component: FileComponent,
+    attachment_urls: dict[str, list[str]],
+    key_prefix: str = "",
+) -> str | list[str]:
+    """
+    Transform a single file component value according to the component configuration.
+    """
+    key = component["key"]
+    multiple = component.get("multiple", False)
+
+    # it's possible keys are missing because there are no uploads at all for the
+    # component.
+    data_path = f"{key_prefix}.{key}" if key_prefix else key
+    upload_urls = attachment_urls.get(data_path, [])
+
+    match upload_urls:
+        # if there are no uploads and it's a single component -> normalize to empty string
+        case [] if not multiple:
+            return ""
+
+        # if there's an upload and it's a single component -> return the single URL string
+        case list() if upload_urls and not multiple:
+            return upload_urls[0]
+
+        # otherwise just return the list of upload URLs
+        case list():
+            assert multiple
+            return upload_urls
+
+
+def _transform_editgrid_value(
+    component: EditGridComponent,
+    value: list[JSONObject],
+    attachment_urls: dict[str, list[str]],
+    key_prefix: str,
+) -> list[JSONObject]:
+    nested_components = component["components"]
+
+    items: list[JSONObject] = []
+
+    # process file uploads inside (nested) repeating groups
+    for index, item in enumerate(value):
+        item_values = FormioData(item)
+
+        for nested_component in nested_components:
+            key = nested_component["key"]
+
+            match nested_component:
+                case {"type": "file"}:
+                    item_values[key] = _transform_file_value(
+                        cast(FileComponent, nested_component),
+                        attachment_urls=attachment_urls,
+                        key_prefix=f"{key_prefix}.{index}",
+                    )
+                case {"type": "editgrid"}:
+                    nested_items = item_values[key]
+                    assert isinstance(nested_items, list)
+                    item_values[key] = _transform_editgrid_value(
+                        cast(EditGridComponent, nested_component),
+                        value=cast(list[JSONObject], nested_items),
+                        attachment_urls=attachment_urls,
+                        key_prefix=f"{key_prefix}.{index}.{key}",
+                    )
+
+        items.append(item_values.data)
+
+    return items
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_addressNl_legacy_before_of_30.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_addressNl_legacy_before_of_30.yaml
index 50eb90131c..a040e83dfb 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_addressNl_legacy_before_of_30.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_addressNl_legacy_before_of_30.yaml
@@ -20,7 +20,7 @@ interactions:
         everything","namePlural":"Accepts everything","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2024-07-22","modifiedAt":"2024-07-22","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8faed0fa-7864-4409-aa6d-533a37616a9e/versions/1"]},{"url":"http://objecttypes-web:8000/api/v2/objecttypes/644ab597-e88c-43c0-8321-f12113510b0e","uuid":"644ab597-e88c-43c0-8321-f12113510b0e","name":"Fieldset
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+        Uploads","namePlural":"File Uploads","description":"","dataClassification":"confidential","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2024-02-08","modifiedAt":"2024-02-08","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2/versions/1"]},{"url":"http://objecttypes-web:8000/api/v2/objecttypes/3edfdaf7-f469-470b-a391-bb7ea015bd6f","uuid":"3edfdaf7-f469-470b-a391-bb7ea015bd6f","name":"Tree","namePlural":"Trees","description":"","dataClassification":"confidential","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2024-02-08","modifiedAt":"2024-02-08","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/3edfdaf7-f469-470b-a391-bb7ea015bd6f/versions/1"]},{"url":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","uuid":"8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","name":"Person","namePlural":"Persons","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2023-10-24","modifiedAt":"2024-11-25","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/2","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/3","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/1","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/4"]}]}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -33,11 +33,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:29 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
@@ -77,11 +77,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:29 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_editgrid_with_nested_files.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_editgrid_with_nested_files.yaml
index 542850397b..bab3899c51 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_editgrid_with_nested_files.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_editgrid_with_nested_files.yaml
@@ -2,9 +2,9 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      001", "auteur": "Aanvrager", "taal": "nld", "formaat": "application/ogg", "inhoud":
-      "Y29udGVudA==", "status": "definitief", "bestandsnaam": "foo-0.bin", "ontvangstdatum":
-      "2024-03-06", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
+      002", "auteur": "Aanvrager", "taal": "nld", "formaat": "application/octet-stream",
+      "inhoud": "Y29udGVudA==", "status": "definitief", "bestandsnaam": "foo-0.bin",
+      "ontvangstdatum": "2024-03-17", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
       false, "bestandsomvang": 7}'
     headers:
       Accept:
@@ -16,7 +16,7 @@ interactions:
       Connection:
       - keep-alive
       Content-Length:
-      - '479'
+      - '488'
       Content-Type:
       - application/json
       User-Agent:
@@ -25,22 +25,22 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/db57bb11-cd3d-4a0e-8784-9ac308f5ab7b","identificatie":"DOCUMENT-2024-0000000094","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
-        001","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"application/ogg","taal":"nld","versie":1,"beginRegistratie":"2025-01-29T13:43:03.815170Z","bestandsnaam":"foo-0.bin","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/db57bb11-cd3d-4a0e-8784-9ac308f5ab7b/download?versie=1","bestandsomvang":7,"link":"","beschrijving":"Bijgevoegd
-        document","ontvangstdatum":"2024-03-06","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/4b11e35f-5d76-48c8-a7dc-91b1d8086969","identificatie":"DOCUMENT-2024-0000000165","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
+        002","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"application/octet-stream","taal":"nld","versie":1,"beginRegistratie":"2025-01-29T17:01:16.380237Z","bestandsnaam":"foo-0.bin","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/4b11e35f-5d76-48c8-a7dc-91b1d8086969/download?versie=1","bestandsomvang":7,"link":"","beschrijving":"Bijgevoegd
+        document","ontvangstdatum":"2024-03-17","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
     headers:
       API-version:
       - 1.4.2
       Allow:
       - GET, POST, HEAD, OPTIONS
       Content-Length:
-      - '1035'
+      - '1044'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/db57bb11-cd3d-4a0e-8784-9ac308f5ab7b
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/4b11e35f-5d76-48c8-a7dc-91b1d8086969
       Referrer-Policy:
       - same-origin
       Vary:
@@ -83,7 +83,7 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Wed, 29 Jan 2025 13:43:03 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Referrer-Policy:
       - same-origin
       Server:
@@ -99,8 +99,9 @@ interactions:
       message: OK
 - request:
     body: '{"type": "http://objecttypes-web:8000/api/v2/objecttypes/8faed0fa-7864-4409-aa6d-533a37616a9e",
-      "record": {"typeVersion": 1, "data": {"repeatingGroup": ["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/db57bb11-cd3d-4a0e-8784-9ac308f5ab7b"]},
-      "startAt": "2024-03-19"}}'
+      "record": {"typeVersion": 1, "data": {"repeatingGroup": [{"nestedRepeatingGroup":
+      [{"file": "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/4b11e35f-5d76-48c8-a7dc-91b1d8086969",
+      "email": "info@example.com"}]}]}, "startAt": "2024-03-19"}}'
     headers:
       Accept:
       - '*/*'
@@ -113,7 +114,7 @@ interactions:
       Content-Crs:
       - EPSG:4326
       Content-Length:
-      - '290'
+      - '357'
       Content-Type:
       - application/json
       User-Agent:
@@ -122,7 +123,7 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/75f65dae-4711-4bb6-95cf-513b709ec401","uuid":"75f65dae-4711-4bb6-95cf-513b709ec401","type":"http://objecttypes-web:8000/api/v2/objecttypes/8faed0fa-7864-4409-aa6d-533a37616a9e","record":{"index":1,"typeVersion":1,"data":{"repeatingGroup":["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/db57bb11-cd3d-4a0e-8784-9ac308f5ab7b"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/35ccae85-b9a1-4b1b-8677-8ae9404ba4a2","uuid":"35ccae85-b9a1-4b1b-8677-8ae9404ba4a2","type":"http://objecttypes-web:8000/api/v2/objecttypes/8faed0fa-7864-4409-aa6d-533a37616a9e","record":{"index":1,"typeVersion":1,"data":{"repeatingGroup":[{"nestedRepeatingGroup":[{"file":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/4b11e35f-5d76-48c8-a7dc-91b1d8086969","email":"info@example.com"}]}]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -131,15 +132,15 @@ interactions:
       Content-Crs:
       - EPSG:4326
       Content-Length:
-      - '520'
+      - '583'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Wed, 29 Jan 2025 13:43:03 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/75f65dae-4711-4bb6-95cf-513b709ec401
+      - http://localhost:8002/api/v2/objects/35ccae85-b9a1-4b1b-8677-8ae9404ba4a2
       Referrer-Policy:
       - same-origin
       Server:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_empty_optional_file.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_empty_optional_file.yaml
index fd3dfc398f..3697c4cc5d 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_empty_optional_file.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_empty_optional_file.yaml
@@ -30,11 +30,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:30 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
@@ -68,7 +68,7 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/c277e6c8-02da-4257-9051-a13bb67b3d4e","uuid":"c277e6c8-02da-4257-9051-a13bb67b3d4e","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"single_file":""},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2024-12-19","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/28bb7db5-2806-4291-a731-68ffa0829977","uuid":"28bb7db5-2806-4291-a731-68ffa0829977","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"single_file":""},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -83,13 +83,13 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:30 GMT
+      - Wed, 29 Jan 2025 17:01:16 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/c277e6c8-02da-4257-9051-a13bb67b3d4e
+      - http://localhost:8002/api/v2/objects/28bb7db5-2806-4291-a731-68ffa0829977
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components.yaml
index 5899c20307..f49c36e19d 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components.yaml
@@ -2,9 +2,9 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      030", "auteur": "Aanvrager", "taal": "nld", "formaat": "application/rdf+xml",
-      "inhoud": "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment1.jpg",
-      "ontvangstdatum": "2024-03-02", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
+      004", "auteur": "Aanvrager", "taal": "nld", "formaat": "image/png", "inhoud":
+      "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment1.jpg", "ontvangstdatum":
+      "2024-03-19", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
       false, "bestandsomvang": 7}'
     headers:
       Accept:
@@ -16,7 +16,7 @@ interactions:
       Connection:
       - keep-alive
       Content-Length:
-      - '489'
+      - '479'
       Content-Type:
       - application/json
       User-Agent:
@@ -25,22 +25,22 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/33972655-0307-42f7-a62d-3002d974f2e0","identificatie":"DOCUMENT-2024-0000000026","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
-        030","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"application/rdf+xml","taal":"nld","versie":1,"beginRegistratie":"2024-12-19T08:19:30.290210Z","bestandsnaam":"attachment1.jpg","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/33972655-0307-42f7-a62d-3002d974f2e0/download?versie=1","bestandsomvang":7,"link":"","beschrijving":"Bijgevoegd
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+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/e512fb79-ae44-4689-8b93-e1ad3e01eb8a","identificatie":"DOCUMENT-2024-0000000166","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
+        004","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"image/png","taal":"nld","versie":1,"beginRegistratie":"2025-01-29T17:01:16.909815Z","bestandsnaam":"attachment1.jpg","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/e512fb79-ae44-4689-8b93-e1ad3e01eb8a/download?versie=1","bestandsomvang":7,"link":"","beschrijving":"Bijgevoegd
+        document","ontvangstdatum":"2024-03-19","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
     headers:
       API-version:
       - 1.4.2
       Allow:
       - GET, POST, HEAD, OPTIONS
       Content-Length:
-      - '1045'
+      - '1035'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/33972655-0307-42f7-a62d-3002d974f2e0
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/e512fb79-ae44-4689-8b93-e1ad3e01eb8a
       Referrer-Policy:
       - same-origin
       Vary:
@@ -55,9 +55,9 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      030", "auteur": "Aanvrager", "taal": "nld", "formaat": "video/quicktime", "inhoud":
-      "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment2_1.jpg",
-      "ontvangstdatum": "2024-03-02", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
+      004", "auteur": "Aanvrager", "taal": "nld", "formaat": "multipart/encrypted",
+      "inhoud": "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment2_1.jpg",
+      "ontvangstdatum": "2024-03-19", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
       false, "bestandsomvang": 7}'
     headers:
       Accept:
@@ -69,7 +69,7 @@ interactions:
       Connection:
       - keep-alive
       Content-Length:
-      - '487'
+      - '491'
       Content-Type:
       - application/json
       User-Agent:
@@ -78,22 +78,22 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ec46dbda-cbeb-4712-ba70-ea7e28d972c6","identificatie":"DOCUMENT-2024-0000000027","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/504849d8-1ae1-4615-9095-a3b452359d10","identificatie":"DOCUMENT-2024-0000000167","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+        document","ontvangstdatum":"2024-03-19","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
     headers:
       API-version:
       - 1.4.2
       Allow:
       - GET, POST, HEAD, OPTIONS
       Content-Length:
-      - '1043'
+      - '1047'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ec46dbda-cbeb-4712-ba70-ea7e28d972c6
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/504849d8-1ae1-4615-9095-a3b452359d10
       Referrer-Policy:
       - same-origin
       Vary:
@@ -136,11 +136,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:30 GMT
+      - Wed, 29 Jan 2025 17:01:17 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
@@ -152,8 +152,8 @@ interactions:
       message: OK
 - request:
     body: '{"type": "http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2",
-      "record": {"typeVersion": 1, "data": {"single_file": "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/33972655-0307-42f7-a62d-3002d974f2e0",
-      "multiple_files": ["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ec46dbda-cbeb-4712-ba70-ea7e28d972c6"]},
+      "record": {"typeVersion": 1, "data": {"single_file": "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/e512fb79-ae44-4689-8b93-e1ad3e01eb8a",
+      "multiple_files": ["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/504849d8-1ae1-4615-9095-a3b452359d10"]},
       "startAt": "2024-03-19"}}'
     headers:
       Accept:
@@ -176,7 +176,7 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/c1c94f2a-3b16-45d0-b77f-0b7641e2532f","uuid":"c1c94f2a-3b16-45d0-b77f-0b7641e2532f","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"single_file":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/33972655-0307-42f7-a62d-3002d974f2e0","multiple_files":["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ec46dbda-cbeb-4712-ba70-ea7e28d972c6"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2024-12-19","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/0d282033-0d7f-4bb2-a075-41603cc2a89c","uuid":"0d282033-0d7f-4bb2-a075-41603cc2a89c","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"single_file":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/e512fb79-ae44-4689-8b93-e1ad3e01eb8a","multiple_files":["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/504849d8-1ae1-4615-9095-a3b452359d10"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
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       - GET, POST, HEAD, OPTIONS
@@ -191,13 +191,13 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:30 GMT
+      - Wed, 29 Jan 2025 17:01:17 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/c1c94f2a-3b16-45d0-b77f-0b7641e2532f
+      - http://localhost:8002/api/v2/objects/0d282033-0d7f-4bb2-a075-41603cc2a89c
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components_container_variable.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components_container_variable.yaml
index 39e2ce81ee..5677fb9849 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components_container_variable.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_file_components_container_variable.yaml
@@ -2,9 +2,9 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      031", "auteur": "Aanvrager", "taal": "nld", "formaat": "multipart/mixed", "inhoud":
+      005", "auteur": "Aanvrager", "taal": "nld", "formaat": "model/iges", "inhoud":
       "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment1.jpg", "ontvangstdatum":
-      "2024-03-17", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
+      "2024-03-10", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
       false, "bestandsomvang": 7}'
     headers:
       Accept:
@@ -16,7 +16,7 @@ interactions:
       Connection:
       - keep-alive
       Content-Length:
-      - '485'
+      - '480'
       Content-Type:
       - application/json
       User-Agent:
@@ -25,22 +25,22 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/6ff51134-9907-4243-ab83-d63e84e684c7","identificatie":"DOCUMENT-2024-0000000028","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/5f63ec5c-4e54-428f-9596-6c68f4e3a780","identificatie":"DOCUMENT-2024-0000000168","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+        document","ontvangstdatum":"2024-03-10","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
     headers:
       API-version:
       - 1.4.2
       Allow:
       - GET, POST, HEAD, OPTIONS
       Content-Length:
-      - '1041'
+      - '1036'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/6ff51134-9907-4243-ab83-d63e84e684c7
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/5f63ec5c-4e54-428f-9596-6c68f4e3a780
       Referrer-Policy:
       - same-origin
       Vary:
@@ -55,9 +55,9 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      031", "auteur": "Aanvrager", "taal": "nld", "formaat": "audio/vnd.wave", "inhoud":
+      005", "auteur": "Aanvrager", "taal": "nld", "formaat": "multipart/signed", "inhoud":
       "Y29udGVudA==", "status": "definitief", "bestandsnaam": "attachment2_1.jpg",
-      "ontvangstdatum": "2024-03-17", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
+      "ontvangstdatum": "2024-03-10", "beschrijving": "Bijgevoegd document", "indicatieGebruiksrecht":
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     headers:
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@@ -69,7 +69,7 @@ interactions:
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       Content-Length:
-      - '486'
+      - '488'
       Content-Type:
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       User-Agent:
@@ -78,22 +78,22 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/2b2b0be4-bc49-4272-9d5a-3ab61c9135eb","identificatie":"DOCUMENT-2024-0000000029","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/f1d765f8-9284-43e8-a5f0-24c707c51321","identificatie":"DOCUMENT-2024-0000000169","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
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+        document","ontvangstdatum":"2024-03-10","verzenddatum":null,"indicatieGebruiksrecht":false,"verschijningsvorm":"","ondertekening":{"soort":"","datum":null},"integriteit":{"algoritme":"","waarde":"","datum":null},"informatieobjecttype":"http://localhost:8003/catalogi/api/v1/informatieobjecttypen/531f6c1a-97f7-478c-85f0-67d2f23661c7","locked":false,"bestandsdelen":[],"trefwoorden":[],"lock":""}'
     headers:
       API-version:
       - 1.4.2
       Allow:
       - GET, POST, HEAD, OPTIONS
       Content-Length:
-      - '1042'
+      - '1044'
       Content-Type:
       - application/json
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/2b2b0be4-bc49-4272-9d5a-3ab61c9135eb
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/f1d765f8-9284-43e8-a5f0-24c707c51321
       Referrer-Policy:
       - same-origin
       Vary:
@@ -136,11 +136,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:31 GMT
+      - Wed, 29 Jan 2025 17:01:17 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
@@ -152,8 +152,8 @@ interactions:
       message: OK
 - request:
     body: '{"type": "http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2",
-      "record": {"typeVersion": 1, "data": {"multiple_files": ["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/6ff51134-9907-4243-ab83-d63e84e684c7",
-      "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/2b2b0be4-bc49-4272-9d5a-3ab61c9135eb"]},
+      "record": {"typeVersion": 1, "data": {"multiple_files": ["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/5f63ec5c-4e54-428f-9596-6c68f4e3a780",
+      "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/f1d765f8-9284-43e8-a5f0-24c707c51321"]},
       "startAt": "2024-03-19"}}'
     headers:
       Accept:
@@ -176,7 +176,7 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/e8e6ee8b-aa40-41cf-bfef-f6b41cdca3f6","uuid":"e8e6ee8b-aa40-41cf-bfef-f6b41cdca3f6","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"multiple_files":["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/6ff51134-9907-4243-ab83-d63e84e684c7","http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/2b2b0be4-bc49-4272-9d5a-3ab61c9135eb"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2024-12-19","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/6df9d08e-8a80-46c8-86b1-bfd3d44ab849","uuid":"6df9d08e-8a80-46c8-86b1-bfd3d44ab849","type":"http://objecttypes-web:8000/api/v2/objecttypes/527b8408-7421-4808-a744-43ccb7bdaaa2","record":{"index":1,"typeVersion":1,"data":{"multiple_files":["http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/5f63ec5c-4e54-428f-9596-6c68f4e3a780","http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/f1d765f8-9284-43e8-a5f0-24c707c51321"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -191,13 +191,13 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:31 GMT
+      - Wed, 29 Jan 2025 17:01:17 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/e8e6ee8b-aa40-41cf-bfef-f6b41cdca3f6
+      - http://localhost:8002/api/v2/objects/6df9d08e-8a80-46c8-86b1-bfd3d44ab849
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2.yaml
index 8a7d3820a6..08d0b52c72 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2.yaml
@@ -2,8 +2,8 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/7a474713-0833-402a-8441-e467c08ac55b",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      000", "auteur": "Aanvrager", "taal": "nld", "formaat": "application/pdf", "inhoud":
-      "", "status": "definitief", "bestandsnaam": "open-forms-Form 000.pdf", "ontvangstdatum":
+      006", "auteur": "Aanvrager", "taal": "nld", "formaat": "application/pdf", "inhoud":
+      "", "status": "definitief", "bestandsnaam": "open-forms-Form 006.pdf", "ontvangstdatum":
       null, "beschrijving": "Ingezonden formulier", "indicatieGebruiksrecht": false,
       "bestandsomvang": 0}'
     headers:
@@ -25,9 +25,9 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ed5de000-7692-474a-b9e4-8dbded780e37","identificatie":"DOCUMENT-2024-0000000015","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
-        000","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"application/pdf","taal":"nld","versie":1,"beginRegistratie":"2024-12-19T10:06:16.789185Z","bestandsnaam":"open-forms-Form
-        000.pdf","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ed5de000-7692-474a-b9e4-8dbded780e37/download?versie=1","bestandsomvang":0,"link":"","beschrijving":"Ingezonden
+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/cfa06b2d-7bae-46bd-8788-66e7e63f14d5","identificatie":"DOCUMENT-2024-0000000170","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
+        006","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"application/pdf","taal":"nld","versie":1,"beginRegistratie":"2025-01-29T17:01:17.726451Z","bestandsnaam":"open-forms-Form
+        006.pdf","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/cfa06b2d-7bae-46bd-8788-66e7e63f14d5/download?versie=1","bestandsomvang":0,"link":"","beschrijving":"Ingezonden
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     headers:
       API-version:
@@ -41,7 +41,7 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ed5de000-7692-474a-b9e4-8dbded780e37
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/cfa06b2d-7bae-46bd-8788-66e7e63f14d5
       Referrer-Policy:
       - same-origin
       Vary:
@@ -56,11 +56,11 @@ interactions:
 - request:
     body: '{"informatieobjecttype": "http://localhost:8003/catalogi/api/v1/informatieobjecttypen/b2d83b94-9b9b-4e80-a82f-73ff993c62f3",
       "bronorganisatie": "000000000", "creatiedatum": "2024-03-19", "titel": "Form
-      000 (csv)", "auteur": "Aanvrager", "taal": "nld", "formaat": "text/csv", "inhoud":
-      "Rm9ybXVsaWVybmFhbSxJbnplbmRpbmdkYXR1bSxhZ2UsbGFzdG5hbWUsbG9jYXRpb24NCkZvcm0gMDAwLDIwMjQtMDMtMDEgMTk6MDk6MjUuNDA4MjU5LDIwLE15IGxhc3QgbmFtZSwiWzUyLjM2NjczMzc4OTY3MTIyLCA0Ljg5MzE2NDI3NDQ3MDI5OV0iDQo=",
-      "status": "definitief", "bestandsnaam": "open-forms-Form 000 (csv).csv", "ontvangstdatum":
+      006 (csv)", "auteur": "Aanvrager", "taal": "nld", "formaat": "text/csv", "inhoud":
+      "Rm9ybXVsaWVybmFhbSxJbnplbmRpbmdkYXR1bSxhZ2UsbGFzdG5hbWUsbG9jYXRpb24NCkZvcm0gMDA2LDIwMjQtMDMtMDMgMTk6MjY6MjYuNDQwMzA5LDIwLE15IGxhc3QgbmFtZSwieyd0eXBlJzogJ1BvaW50JywgJ2Nvb3JkaW5hdGVzJzogWzQuODkzMTY0Mjc0NDcwMjk5LCA1Mi4zNjY3MzM3ODk2NzEyMl19Ig0K",
+      "status": "definitief", "bestandsnaam": "open-forms-Form 006 (csv).csv", "ontvangstdatum":
       null, "beschrijving": "Ingezonden formulierdata", "indicatieGebruiksrecht":
-      false, "bestandsomvang": 146}'
+      false, "bestandsomvang": 180}'
     headers:
       Accept:
       - '*/*'
@@ -71,7 +71,7 @@ interactions:
       Connection:
       - keep-alive
       Content-Length:
-      - '681'
+      - '725'
       Content-Type:
       - application/json
       User-Agent:
@@ -80,9 +80,9 @@ interactions:
     uri: http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten
   response:
     body:
-      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/7a1d75a4-8fd7-4945-b99d-05fadcd45e0b","identificatie":"DOCUMENT-2024-0000000016","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
-        000 (csv)","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"text/csv","taal":"nld","versie":1,"beginRegistratie":"2024-12-19T10:06:16.925004Z","bestandsnaam":"open-forms-Form
-        000 (csv).csv","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/7a1d75a4-8fd7-4945-b99d-05fadcd45e0b/download?versie=1","bestandsomvang":146,"link":"","beschrijving":"Ingezonden
+      string: '{"url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/51084c9e-e508-45aa-b0f3-dd29b0c200cf","identificatie":"DOCUMENT-2024-0000000171","bronorganisatie":"000000000","creatiedatum":"2024-03-19","titel":"Form
+        006 (csv)","vertrouwelijkheidaanduiding":"openbaar","auteur":"Aanvrager","status":"definitief","formaat":"text/csv","taal":"nld","versie":1,"beginRegistratie":"2025-01-29T17:01:17.828314Z","bestandsnaam":"open-forms-Form
+        006 (csv).csv","inhoud":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/51084c9e-e508-45aa-b0f3-dd29b0c200cf/download?versie=1","bestandsomvang":180,"link":"","beschrijving":"Ingezonden
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     headers:
       API-version:
@@ -96,7 +96,7 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Location:
-      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/7a1d75a4-8fd7-4945-b99d-05fadcd45e0b
+      - http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/51084c9e-e508-45aa-b0f3-dd29b0c200cf
       Referrer-Policy:
       - same-origin
       Vary:
@@ -125,7 +125,7 @@ interactions:
     uri: http://localhost:8001/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48
   response:
     body:
-      string: '{"url":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","uuid":"8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","name":"Person","namePlural":"Persons","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2023-10-24","modifiedAt":"2024-11-25","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/1","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/2","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/3","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/4"]}'
+      string: '{"url":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","uuid":"8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","name":"Person","namePlural":"Persons","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2023-10-24","modifiedAt":"2024-11-25","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/2","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/3","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/1","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/4"]}'
     headers:
       Allow:
       - GET, PUT, PATCH, DELETE, HEAD, OPTIONS
@@ -138,7 +138,7 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 10:06:17 GMT
+      - Wed, 29 Jan 2025 17:01:17 GMT
       Referrer-Policy:
       - same-origin
       Server:
@@ -156,8 +156,8 @@ interactions:
     body: '{"type": "http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48",
       "record": {"typeVersion": 3, "data": {"age": 20, "name": {"last.name": "My last
       name"}, "submission_date": "2024-03-19T13:40:00+00:00", "submission_pdf_url":
-      "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ed5de000-7692-474a-b9e4-8dbded780e37",
-      "submission_csv_url": "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/7a1d75a4-8fd7-4945-b99d-05fadcd45e0b",
+      "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/cfa06b2d-7bae-46bd-8788-66e7e63f14d5",
+      "submission_csv_url": "http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/51084c9e-e508-45aa-b0f3-dd29b0c200cf",
       "submission_payment_completed": false, "submission_payment_amount": null, "submission_payment_public_ids":
       [], "cosign_date": null}, "startAt": "2024-03-19", "geometry": {"type": "Point",
       "coordinates": [4.893164274470299, 52.36673378967122]}}}'
@@ -182,8 +182,8 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/a73b1bd4-91c0-444b-9241-93b111f83681","uuid":"a73b1bd4-91c0-444b-9241-93b111f83681","type":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","record":{"index":1,"typeVersion":3,"data":{"age":20,"name":{"last.name":"My
-        last name"},"submission_date":"2024-03-19T13:40:00+00:00","submission_pdf_url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/ed5de000-7692-474a-b9e4-8dbded780e37","submission_csv_url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/7a1d75a4-8fd7-4945-b99d-05fadcd45e0b","submission_payment_completed":false,"submission_payment_amount":null,"submission_payment_public_ids":[],"cosign_date":null},"geometry":{"type":"Point","coordinates":[4.893164274470299,52.36673378967122]},"startAt":"2024-03-19","endAt":null,"registrationAt":"2024-12-19","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/40a7dc15-ee2b-4382-8ebb-dc247ca4bacf","uuid":"40a7dc15-ee2b-4382-8ebb-dc247ca4bacf","type":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","record":{"index":1,"typeVersion":3,"data":{"age":20,"name":{"last.name":"My
+        last name"},"submission_date":"2024-03-19T13:40:00+00:00","submission_pdf_url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/cfa06b2d-7bae-46bd-8788-66e7e63f14d5","submission_csv_url":"http://localhost:8003/documenten/api/v1/enkelvoudiginformatieobjecten/51084c9e-e508-45aa-b0f3-dd29b0c200cf","submission_payment_completed":false,"submission_payment_amount":null,"submission_payment_public_ids":[],"cosign_date":null},"geometry":{"type":"Point","coordinates":[4.893164274470299,52.36673378967122]},"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -198,9 +198,9 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 10:06:17 GMT
+      - Wed, 29 Jan 2025 17:01:18 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/a73b1bd4-91c0-444b-9241-93b111f83681
+      - http://localhost:8002/api/v2/objects/40a7dc15-ee2b-4382-8ebb-dc247ca4bacf
       Referrer-Policy:
       - same-origin
       Server:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2_with_payment_attributes.yaml b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2_with_payment_attributes.yaml
index 2bb10d918d..e0ed00c2c5 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2_with_payment_attributes.yaml
+++ b/src/openforms/registrations/contrib/objects_api/tests/files/vcr_cassettes/ObjectsAPIBackendV2Tests/ObjectsAPIBackendV2Tests.test_submission_with_objects_api_v2_with_payment_attributes.yaml
@@ -16,7 +16,7 @@ interactions:
     uri: http://localhost:8001/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48
   response:
     body:
-      string: '{"url":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","uuid":"8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","name":"Person","namePlural":"Persons","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2023-10-24","modifiedAt":"2024-11-25","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/1","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/2","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/3","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/4"]}'
+      string: '{"url":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","uuid":"8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","name":"Person","namePlural":"Persons","description":"","dataClassification":"open","maintainerOrganization":"","maintainerDepartment":"","contactPerson":"","contactEmail":"","source":"","updateFrequency":"unknown","providerOrganization":"","documentationUrl":"","labels":{},"createdAt":"2023-10-24","modifiedAt":"2024-11-25","allowGeometry":true,"versions":["http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/2","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/3","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/1","http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48/versions/4"]}'
     headers:
       Allow:
       - GET, PUT, PATCH, DELETE, HEAD, OPTIONS
@@ -29,11 +29,11 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:31 GMT
+      - Wed, 29 Jan 2025 17:01:18 GMT
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
@@ -70,7 +70,7 @@ interactions:
     uri: http://localhost:8002/api/v2/objects
   response:
     body:
-      string: '{"url":"http://objects-web:8000/api/v2/objects/07716bc2-5ebe-45c9-9d0e-6bcadc4850d4","uuid":"07716bc2-5ebe-45c9-9d0e-6bcadc4850d4","type":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","record":{"index":1,"typeVersion":3,"data":{"submission_payment_completed":true,"submission_payment_amount":40.0,"submission_payment_public_ids":["foo","bar"],"submission_provider_payment_ids":["123456","654321"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2024-12-19","correctionFor":null,"correctedBy":null}}'
+      string: '{"url":"http://objects-web:8000/api/v2/objects/1b713a04-69d2-4182-9653-695d3ca5dd27","uuid":"1b713a04-69d2-4182-9653-695d3ca5dd27","type":"http://objecttypes-web:8000/api/v2/objecttypes/8e46e0a5-b1b4-449b-b9e9-fa3cea655f48","record":{"index":1,"typeVersion":3,"data":{"submission_payment_completed":true,"submission_payment_amount":40.0,"submission_payment_public_ids":["foo","bar"],"submission_provider_payment_ids":["123456","654321"]},"geometry":null,"startAt":"2024-03-19","endAt":null,"registrationAt":"2025-01-29","correctionFor":null,"correctedBy":null}}'
     headers:
       Allow:
       - GET, POST, HEAD, OPTIONS
@@ -85,13 +85,13 @@ interactions:
       Cross-Origin-Opener-Policy:
       - same-origin
       Date:
-      - Thu, 19 Dec 2024 08:19:31 GMT
+      - Wed, 29 Jan 2025 17:01:18 GMT
       Location:
-      - http://localhost:8002/api/v2/objects/07716bc2-5ebe-45c9-9d0e-6bcadc4850d4
+      - http://localhost:8002/api/v2/objects/1b713a04-69d2-4182-9653-695d3ca5dd27
       Referrer-Policy:
       - same-origin
       Server:
-      - nginx/1.27.0
+      - nginx/1.27.3
       Vary:
       - origin
       X-Content-Type-Options:
diff --git a/src/openforms/registrations/contrib/objects_api/tests/test_backend_v2.py b/src/openforms/registrations/contrib/objects_api/tests/test_backend_v2.py
index 39cf6910db..a2b8502828 100644
--- a/src/openforms/registrations/contrib/objects_api/tests/test_backend_v2.py
+++ b/src/openforms/registrations/contrib/objects_api/tests/test_backend_v2.py
@@ -410,24 +410,35 @@ def test_submission_with_editgrid_with_nested_files(self):
                     "label": "Repeating group",
                     "components": [
                         {
-                            "key": "email",
-                            "type": "email",
-                            "label": "Email",
-                        },
-                        {
-                            "key": "file",
-                            "type": "file",
-                            "multiple": False,
-                        },
+                            "key": "nestedRepeatingGroup",
+                            "type": "editgrid",
+                            "label": "Yeah this is madness",
+                            "components": [
+                                {
+                                    "key": "email",
+                                    "type": "email",
+                                    "label": "Email",
+                                },
+                                {
+                                    "key": "file",
+                                    "type": "file",
+                                    "multiple": False,
+                                },
+                            ],
+                        }
                     ],
                 },
             ],
             submitted_data={
                 "repeatingGroup": [
                     {
-                        "email": "info@example.com",
-                        "file": formio_upload,
-                    }
+                        "nestedRepeatingGroup": [
+                            {
+                                "email": "info@example.com",
+                                "file": formio_upload,
+                            }
+                        ],
+                    },
                 ],
             },
             completed=True,
@@ -438,8 +449,8 @@ def test_submission_with_editgrid_with_nested_files(self):
             form_key="repeatingGroup",
             file_name=formio_upload["originalName"],
             original_name=formio_upload["originalName"],
-            _component_configuration_path="components.0.components.1",
-            _component_data_path="repeatingGroup.0.file",
+            _component_configuration_path="components.0.components.0.components.1",
+            _component_data_path="repeatingGroup.0.nestedRepeatingGroup.0.file",
         )
 
         v2_options: RegistrationOptionsV2 = {
@@ -477,8 +488,12 @@ def test_submission_with_editgrid_with_nested_files(self):
         expected = {
             "repeatingGroup": [
                 {
-                    "email": "info@example.com",
-                    "file": objects_api_attachment.document_url,
+                    "nestedRepeatingGroup": [
+                        {
+                            "email": "info@example.com",
+                            "file": objects_api_attachment.document_url,
+                        }
+                    ],
                 }
             ],
         }