{
  "fileFormatID": 2020,
  "formatName": "Wavefront OBJ File",
  "version": null,
  "formatDescription": "OBJ is an ASCII format for representing 3D geometry. The OBJ format supports both polygonal objects and free-form objects. Polygonal geometry uses points, lines, and faces to define objects while free-form geometry uses curves and surfaces.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "15 Aug 2023",
  "formatProvenance": "08/2023- Modified BOF signature to increase two of the byte ranges. Submitted by Preservica.",
  "formatSourceDate": "17 Aug 2018",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Model",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/1210",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1588,
      "name": "Wavefront OBJ Polygonal Geometry",
      "note": "BOF:0-1024 (can be unlimited preamble, but we want to anchor near the beginning of the file for most cases). \r\nMust have vertices:\r\nv <space> 3 x space separated floating point values that can have a negative value or not representing x, y, z. w is optional, line ending.\r\nLater, the vertices must have a face:\r\nf <space> 3+ integer values, can be negative, separated by space. Faces count from 1. PRONOM uses this minimally viable set, however each face can have values for \u2018vertex textures\u2019 and \u2018vertex normals\u2019 - if present, these values are separated by /. Each row ends in new line character",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 1024,
          "byteSequence": "7620{0-8}[30:39]2E[30:39]{0-32}20{0-8}[30:39]2E[30:39]{0-32}20{0-8}[30:39]2E[30:39]{0-64}0A*6620{0-1}[31:39]{0-20}20{0-1}[31:39]{0-20}20{0-1}[31:39]{0-40}0A",
          "endianness": null,
          "byteSequenceID": 1859
        }
      ],
      "provenance": "Based extensively on http://paulbourke.net/dataformats/obj/\n08/2023- Modified BOF signature to increase two of the byte ranges. Submitted by Preservica."
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "obj",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    170
  ]
}