Record visual conversion provenance and exclusions

provenance.json

@@ -43,5 +43,5 @@
   },
   "split_policy": "native PMID partitions",
   "license": "unspecified",
-  "conversion_sha256": "ae1c61b8d65e993315dc9a1bf28e6f776b5cf642daab74760370018f489fa007"
+  "conversion_sha256": "8c623c538a00cf865bcd5388ac385244513b2b8c61296a36d4cfd4eecaaa0d15"
 }