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  "version": null,
  "formatDescription": "OpenType is a font format developed by Microsoft, in colaboration with Adobe.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "13 Sep 2018",
  "formatProvenance": null,
  "formatSourceDate": "01 May 2013",
  "formatDisclosure": null,
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  "formatAliases": null,
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    {
      "identifierText": "fmt/520",
      "identifierType": "PUID"
    },
    {
      "identifierText": "font/otf",
      "identifierType": "MIME"
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  ],
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    {
      "signatureID": 813,
      "name": "OpenType Font File",
      "note": "Seeking both OTTO snft version number, and presence of CFF data tag\r\nBOF: OTTO{8-40}CFF",
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        {
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      "provenance": "http://www.microsoft.com/typography/otspec/otff.htm, files held internally"
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    {
      "externalSignature": "otf",
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