{
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  "formatDescription": "Within Adobe Photoshop, curves allow you to adjust the entire tonal range of an image. Curve files can be saved and stored as presets.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "23 Sep 2014",
  "formatProvenance": "A curve file begins with 0x0001 or 0x0004 depending on the version in use (http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/). A signature based on these sequences would be highly prone to clashing with other formats, so identification is currently based on extension only.",
  "formatSourceDate": "23 Sep 2014",
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  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": null,
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/667",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [],
  "externalSignatures": [
    {
      "externalSignature": "acv",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "atf",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "supportedBy": [
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  ],
  "developedBy": [
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  ],
  "submittedBy": [
    1
  ]
}