{
 "id": "jph-jpeg-2000-part-15",
 "name": "JPH (JPEG 2000 part 15)",
 "category": "image",
 "identifiers": {
  "extensions": [
   "jph"
  ],
  "mime": [
   "image/jph"
  ],
  "puid": [
   "fmt/1964"
  ],
  "wikidata": [
   "Q123369914"
  ],
  "loc_fdd": [
   "fdd000566"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "0000000c6a5020200d0a870a",
    "notes": "JPEG2000 – JPH/HTJ2K"
   }
  ],
  "signatures": [
   {
    "name": "JPEG2000 – JPH/HTJ2K",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0000000c6a5020200d0a870a{4}667479706a706820"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "Defined in ISO/IEC 15444-15:2019, JPH/HTJ2K is an extension to JPEG 2000 intended as a royalty-free format for high-throughput, lossless image encoding.",
 "tools": [
  {
   "name": "jpylyzer",
   "url": "https://jpylyzer.openpreservation.org/",
   "reads": true,
   "writes": false
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/1964",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1964",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q123369914",
   "url": "https://www.wikidata.org/wiki/Q123369914",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [
  "JPEG HTJ2K",
  "High-Throughput JPEG 2000"
 ],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}