{
  "fileFormatID": 182,
  "formatName": "AutoCAD Xref Log",
  "version": null,
  "formatDescription": "This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select \u2018Add an Entry\u2019.",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "15 Nov 2023",
  "formatProvenance": "11/2023 (v.115)- Internal signature added. Submitted by The National Archives and Records Administration.",
  "formatSourceDate": "02 Aug 2005",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": null,
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "x-fmt/127",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 688,
      "name": "AutoCAD Xref Log",
      "note": "BOF: Offset; 0 00x0D0A0D0A0D0A3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D followed in an indefinite number of bytes by the string 'Operation:' and then either 'Attach Xref' or 'Overlay Xref'",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "0D0A0D0A0D0A3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D*4F7065726174696F6E3A20(4174746163682058726566|4F7665726C61792058726566)",
          "endianness": null,
          "byteSequenceID": 852
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "xlg",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    1
  ]
}