diff --git a/ed/ids/PNG-spec.json b/ed/ids/PNG-spec.json
index 83d72b7319ed..12d5a90c45a7 100644
--- a/ed/ids/PNG-spec.json
+++ b/ed/ids/PNG-spec.json
@@ -656,6 +656,7 @@
     "https://w3c.github.io/PNG-spec/#mDCv-chunk-max-luminance-example4",
     "https://w3c.github.io/PNG-spec/#cLLi-chunk",
     "https://w3c.github.io/PNG-spec/#x11-3-2-8-clli-content-light-level-information",
+    "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-7",
     "https://w3c.github.io/PNG-spec/#ref-for-dfn-frame-2",
     "https://w3c.github.io/PNG-spec/#issue-container-generatedID-15",
     "https://w3c.github.io/PNG-spec/#h-note-15",
@@ -1089,12 +1090,12 @@
     "https://w3c.github.io/PNG-spec/#changes-20230720",
     "https://w3c.github.io/PNG-spec/#changes-since-the-first-public-working-draft-of-25-october-2022-third-edition",
     "https://w3c.github.io/PNG-spec/#changes-20221025",
-    "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-7",
     "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-8",
     "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-9",
+    "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-10",
     "https://w3c.github.io/PNG-spec/#changes-since-the-w3c-recommendation-of-10-november-2003-png-second-edition",
     "https://w3c.github.io/PNG-spec/#changes-20031110",
-    "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-10",
+    "https://w3c.github.io/PNG-spec/#ref-for-dfn-hdr-11",
     "https://w3c.github.io/PNG-spec/#changes-between-first-and-second-editions",
     "https://w3c.github.io/PNG-spec/#f-4-changes-between-first-and-second-editions",
     "https://w3c.github.io/PNG-spec/#references",
@@ -1112,7 +1113,6 @@
     "https://w3c.github.io/PNG-spec/#bib-iso_9899",
     "https://w3c.github.io/PNG-spec/#bib-iso-3309",
     "https://w3c.github.io/PNG-spec/#bib-iso646",
-    "https://w3c.github.io/PNG-spec/#bib-itu-r%20bt.2100",
     "https://w3c.github.io/PNG-spec/#bib-itu-r-bt.2100",
     "https://w3c.github.io/PNG-spec/#bib-itu-r-bt.709",
     "https://w3c.github.io/PNG-spec/#bib-itu-t-h.273",
@@ -1138,9 +1138,11 @@
     "https://w3c.github.io/PNG-spec/#informative-references",
     "https://w3c.github.io/PNG-spec/#g-2-informative-references",
     "https://w3c.github.io/PNG-spec/#bib-color-faq",
+    "https://w3c.github.io/PNG-spec/#bib-cta-861.3-a",
     "https://w3c.github.io/PNG-spec/#bib-ebu-r-103",
     "https://w3c.github.io/PNG-spec/#bib-gamma-faq",
     "https://w3c.github.io/PNG-spec/#bib-gif",
+    "https://w3c.github.io/PNG-spec/#bib-hdr-static-meta",
     "https://w3c.github.io/PNG-spec/#bib-hill",
     "https://w3c.github.io/PNG-spec/#bib-itu-r-bt.2020",
     "https://w3c.github.io/PNG-spec/#bib-itu-r-bt.2035",
@@ -1150,6 +1152,7 @@
     "https://w3c.github.io/PNG-spec/#bib-roelofs",
     "https://w3c.github.io/PNG-spec/#bib-smpte-rp-177",
     "https://w3c.github.io/PNG-spec/#bib-smpte-rp-2077",
+    "https://w3c.github.io/PNG-spec/#bib-smpte-st-2067-21",
     "https://w3c.github.io/PNG-spec/#bib-tiff-6.0",
     "https://w3c.github.io/PNG-spec/#back-to-top"
   ]
diff --git a/ed/index.json b/ed/index.json
index f891029aabb2..ae69de1db9ad 100644
--- a/ed/index.json
+++ b/ed/index.json
@@ -1,7 +1,7 @@
 {
   "type": "crawl",
   "title": "Reffy crawl",
-  "date": "2023-09-02T18:35:53.033Z",
+  "date": "2023-09-03T00:48:02.506Z",
   "options": {
     "useCrawl": "curated",
     "output": "curated",
@@ -279,9 +279,9 @@
       ],
       "crawled": "https://httpwg.org/http-extensions/draft-ietf-httpbis-digest-headers.html",
       "crawlCacheInfo": {
-        "lastModified": "Fri, 01 Sep 2023 02:12:51 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:39:29 GMT"
       },
-      "date": "1 September 2023",
+      "date": "3 September 2023",
       "links": "links/digest-headers.json",
       "refs": "refs/digest-headers.json",
       "headings": "headings/digest-headers.json",
@@ -326,9 +326,9 @@
       ],
       "crawled": "https://httpwg.org/http-extensions/draft-ietf-httpbis-rfc6265bis.html",
       "crawlCacheInfo": {
-        "lastModified": "Fri, 01 Sep 2023 02:12:51 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:39:29 GMT"
       },
-      "date": "1 September 2023",
+      "date": "3 September 2023",
       "links": "links/rfc6265bis.json",
       "refs": "refs/rfc6265bis.json",
       "headings": "headings/rfc6265bis.json",
@@ -7635,7 +7635,7 @@
       ],
       "crawled": "https://w3c.github.io/PNG-spec/",
       "crawlCacheInfo": {
-        "lastModified": "Fri, 01 Sep 2023 12:33:03 GMT"
+        "lastModified": "Sat, 02 Sep 2023 20:01:04 GMT"
       },
       "generator": "respec",
       "date": "17 August 2023",
@@ -12206,9 +12206,9 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc4120",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 18:31:47 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:45:23 GMT"
       },
-      "date": "2 September 2023",
+      "date": "3 September 2023",
       "links": "links/rfc4120.json",
       "ids": "ids/rfc4120.json"
     },
@@ -12384,9 +12384,9 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc6797",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 12:37:22 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:45:22 GMT"
       },
-      "date": "2 September 2023",
+      "date": "3 September 2023",
       "links": "links/rfc6797.json",
       "ids": "ids/rfc6797.json"
     },
@@ -12929,9 +12929,9 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc7578",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 18:31:51 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:10:08 GMT"
       },
-      "date": "2 September 2023",
+      "date": "3 September 2023",
       "links": "links/rfc7578.json",
       "ids": "ids/rfc7578.json"
     },
@@ -13485,7 +13485,7 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc9112",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 12:37:25 GMT"
+        "lastModified": "Sat, 02 Sep 2023 15:30:11 GMT"
       },
       "date": "2 September 2023",
       "links": "links/rfc9112.json",
@@ -13577,7 +13577,7 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc9114",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 12:37:25 GMT"
+        "lastModified": "Sat, 02 Sep 2023 19:17:33 GMT"
       },
       "date": "2 September 2023",
       "links": "links/rfc9114.json",
@@ -13623,9 +13623,9 @@
       ],
       "crawled": "https://www.rfc-editor.org/rfc/rfc9163",
       "crawlCacheInfo": {
-        "lastModified": "Sat, 02 Sep 2023 06:31:29 GMT"
+        "lastModified": "Sun, 03 Sep 2023 00:45:26 GMT"
       },
-      "date": "2 September 2023",
+      "date": "3 September 2023",
       "links": "links/rfc9163.json",
       "refs": "refs/rfc9163.json",
       "headings": "headings/rfc9163.json",
diff --git a/ed/links/PNG-spec.json b/ed/links/PNG-spec.json
index f5a759813472..8d9eea849585 100644
--- a/ed/links/PNG-spec.json
+++ b/ed/links/PNG-spec.json
@@ -15,7 +15,9 @@
     "https://datatracker.ietf.org/doc/html/bcp14": {},
     "https://dl.acm.org/doi/10.1145/248210.248212": {},
     "https://dl.acm.org/doi/abs/10.1145/146443.146479": {},
+    "https://doi.org/10.5594/JMI.2021.3090176": {},
     "https://doi.org/10.5594/SMPTE.RP2077.2013": {},
+    "https://doi.org/10.5594/SMPTE.ST2067-21.2023": {},
     "https://encoding.spec.whatwg.org/": {
       "anchors": [
         "utf-8-encode",
@@ -23,7 +25,6 @@
       ],
       "specShortname": "encoding"
     },
-    "https://github.com/SMPTE/st2067-21": {},
     "https://github.com/w3c/PNG-spec/issues/319": {},
     "https://ieeexplore.ieee.org/document/1055714": {},
     "https://ieeexplore.ieee.org/document/8353899": {},
diff --git a/ed/refs/PNG-spec.json b/ed/refs/PNG-spec.json
index 71df9e4fdb06..db25cb132f0e 100644
--- a/ed/refs/PNG-spec.json
+++ b/ed/refs/PNG-spec.json
@@ -47,9 +47,6 @@
         "name": "ISO646",
         "url": "https://www.iso.org/standard/4777.html"
       },
-      {
-        "name": "ITU-RBT.2100"
-      },
       {
         "name": "ITU-R-BT.2100",
         "url": "https://www.itu.int/rec/R-REC-BT.2100"
@@ -144,6 +141,10 @@
         "name": "COLOR-FAQ",
         "url": "https://poynton.ca/ColorFAQ.html"
       },
+      {
+        "name": "CTA-861.3-A",
+        "url": "https://shop.cta.tech/products/hdr-static-metadata-extensions"
+      },
       {
         "name": "EBU-R-103",
         "url": "https://tech.ebu.ch/docs/r/r103.pdf"
@@ -156,6 +157,10 @@
         "name": "GIF",
         "url": "https://www.w3.org/Graphics/GIF/spec-gif89a.txt"
       },
+      {
+        "name": "HDR-Static-Meta",
+        "url": "https://doi.org/10.5594/JMI.2021.3090176"
+      },
       {
         "name": "Hill",
         "url": "https://dl.acm.org/doi/10.1145/248210.248212"
@@ -191,6 +196,10 @@
         "name": "SMPTE-RP-2077",
         "url": "https://doi.org/10.5594/SMPTE.RP2077.2013"
       },
+      {
+        "name": "SMPTE-ST-2067-21",
+        "url": "https://doi.org/10.5594/SMPTE.ST2067-21.2023"
+      },
       {
         "name": "TIFF-6.0",
         "url": "https://www.loc.gov/preservation/digital/formats/fdd/fdd000022.shtml"