{
  "fileFormatID": 3937,
  "formatName": "AV1 Image File Format",
  "identifiers": [
    {
      "identifierText": "fmt/2062",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 3425,
      "name": "AV1 Image File Format",
      "note": "",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 4,
          "maxOffset": 0,
          "byteSequence": "6674797061766966",
          "endianness": null,
          "byteSequenceID": 3812
        }
      ],
      "provenance": "v.121: new signature."
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  ],
  "externalSignatures": [
    {
      "externalSignature": "avif",
      "signatureType": "File extension"
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}