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  "version": "1",
  "formatDescription": "The resource fork is a construct of the Mac OS operating system used to store structured data in a file, alongside unstructured data stored within the data fork. The format specification is available here: http://support.apple.com/kb/TA32537?viewlocale=en_US\r\n\r\nThe format lacks an extension, and is instead represented by a file name consisting of ._<filename resource fork belongs to>",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "21 Sep 2016",
  "formatProvenance": null,
  "formatSourceDate": "21 Sep 2016",
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  "identifiers": [
    {
      "identifierText": "fmt/966",
      "identifierType": "PUID"
    },
    {
      "identifierText": "multipart/appledouble",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1330,
      "name": "Apple Double Resource Fork (v1)",
      "note": "BOF: 4 byte AppleDouble Magic Number 0x00051607, then 4 byte version number 0x00010000",
      "byteSequences": [
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      "provenance": "http://support.apple.com/kb/TA32537?viewlocale=en_US"
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}