{
  "fileFormatID": 2829,
  "formatName": "JPH (JPEG 2000 part 15)",
  "version": null,
  "formatDescription": "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.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "https://www.iana.org/assignments/media-types/image/jph\r\nhttps://www.iso.org/standard/76621.html\r\nhttps://loc.gov/preservation/digital/formats/fdd/fdd000566.shtm",
  "lastUpdatedDate": "08 Feb 2024",
  "formatProvenance": null,
  "formatSourceDate": "08 Feb 2024",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": "JPEG HTJ2K, High-Throughput JPEG 2000",
  "formatTypes": "Image (Raster)",
  "formatFamilies": "JPEG 2000",
  "identifiers": [
    {
      "identifierText": "fdd000566",
      "identifierType": "Library of Congress Format Description Identifier"
    },
    {
      "identifierText": "fmt/1964",
      "identifierType": "PUID"
    },
    {
      "identifierText": "image/jph",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 2312,
      "name": "JPEG2000 \u2013 JPH/HTJ2K",
      "note": "BOF, header size 0x0000000C, magic 'jP  ', variable 4 byte compatibility chunk size, filetype compatibility starting 'ftypjph'",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "0000000C6A5020200D0A870A{4}667479706A706820",
          "endianness": null,
          "byteSequenceID": 2693
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "jph",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
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  ]
}