{
  "fileFormatID": 2809,
  "formatName": "OpenWayback CDXJ File Format",
  "version": null,
  "formatDescription": "CDXJ is a JSON implementation of the CDX Internet Archive Index, used by OpenWayback 3.0.0 and later to index web archive contents. The index file is plain text, UTF-8 encoded.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "https://nlevitt.github.io/warc-specifications/specifications/cdx-format/openwayback-cdxj/",
  "lastUpdatedDate": "11 Apr 2024",
  "formatProvenance": null,
  "formatSourceDate": "11 Apr 2024",
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  "formatTypes": "Text (Structured)",
  "formatFamilies": null,
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    {
      "identifierText": "fmt/1947",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 2292,
      "name": "OpenWayback CDXJ",
      "note": "BOF; Offset:0; Byte Sequence: \u201c!OpenWayback-CDXJ 1.0\u201d",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
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    {
      "externalSignature": "cdx",
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    },
    {
      "externalSignature": "cdxj",
      "signatureType": "File extension"
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  ],
  "relationships": [],
  "submittedBy": [
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}