{
 "id": "open-packaging-format-3",
 "name": "Open Packaging Format",
 "category": "audio",
 "identifiers": {
  "extensions": [
   "opf"
  ],
  "puid": [
   "fmt/2032"
  ],
  "wikidata": [
   "Q133252316"
  ],
  "signatures": [
   {
    "name": "Open Packaging Format",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "max_offset": 3,
      "pattern": "3c3f786d6c2076657273696f6e3d(22|27)312e30(22|27){0-256}3c7061636b616765*6f70656e65626f6f6b"
     },
     {
      "position": "eof",
      "offset": 0,
      "max_offset": 16,
      "pattern": "3c2f7061636b6167653e"
     }
    ]
   }
  ],
  "priority_over": [
   "fmt/101"
  ]
 },
 "status": "unknown",
 "summary": "The Open Package file with the extension opf is a format used by the openebook group (https://openebook.org/). Daisy Talking Book v.3 packages must include an opf file if they are to conform to Daisy standards.",
 "projects": [
  {
   "name": "PRONOM fmt/2032",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/2032",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q133252316",
   "url": "https://www.wikidata.org/wiki/Q133252316",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "version": "3",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "tools": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}