{
  "fileFormatID": 2063,
  "formatName": "ZFO (Proof of Delivery) File",
  "version": null,
  "formatDescription": "This variant of ZFO file is container for proof of delivery of data mailbox messages provided by \u010cesk\u00e1 po\u0161ta, s.p. in three versions: 1. proof of delivery; 2. confirmation of delivery; 3. delivery failure. ZFO file is a ZIP archive file  (PKCS #7 Cryptographic Message File) composing of the layout structure using XML elements. The whole structure is always embedded into a digital signature represented by XML elements of the XML Signature standard.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "http://isds.czechpoint.cz/v20/delivery",
  "lastUpdatedDate": "18 Jan 2020",
  "formatProvenance": null,
  "formatSourceDate": "18 Jan 2020",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Aggregate",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "application/vnd.software602.filler.form-xml-zip",
      "identifierType": "MIME"
    },
    {
      "identifierText": "fmt/1245",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1622,
      "name": "ZFO (Proof of Delivery) File",
      "note": "Magic bytes: http://isds.czechpoint.cz/v20/delivery",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 20500,
          "byteSequence": "687474703A2F2F697364732E637A656368706F696E742E637A2F7632302F64656C6976657279",
          "endianness": null,
          "byteSequenceID": 1893
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "zfo",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 1469,
      "relatedFormatName": "PKCS #7 Cryptographic Message File",
      "relatedFormatPUID": "fmt/670"
    }
  ],
  "submittedBy": [
    242
  ]
}