PATRICK DUNCAN
type: MusicGroup
description: Patrick Duncan may refer to: Sir Patrick Duncan (South African politician) (1870–1943), Governor-General of South Africa Patrick Sheane Duncan (born 1947), American writer, film producer and directo
popularity: 2
followers: 84
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf4c633bba696e03534eb5390e793507e79daa707e3864a117f45b4ba9114758
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eb51a17e-74bc-435d-9e3c-7c939274d1ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eb51a17e-74bc-435d-9e3c-7c939274d1ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/eb51a17e-74bc-435d-9e3c-7c939274d1ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf4c633bba696e03534eb5390e793507e79daa707e3864a117f45b4ba9114758","name":"PATRICK DUNCAN","registered_at":"2026-06-21T10:44:55Z","symbol":"NIM1902313","token_address":"0xe15ad92f4254c8730da497a64c94c2ec47cc0557","type":"artist","uuid":"eb51a17e-74bc-435d-9e3c-7c939274d1ac"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4c633bba696e03534eb5390e793507e79daa707e3864a117f45b4ba9114758. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eb51a17e-74bc-435d-9e3c-7c939274d1ac.json and https://artists.proofprofile.net/proofs/artist/eb51a17e-74bc-435d-9e3c-7c939274d1ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xcf4c633bba696e03534eb5390e793507e79daa707e3864a117f45b4ba9114758","name":"PATRICK DUNCAN","registered_at":"2026-06-21T10:44:55Z","symbol":"NIM1902313","token_address":"0xe15ad92f4254c8730da497a64c94c2ec47cc0557","type":"artist","uuid":"eb51a17e-74bc-435d-9e3c-7c939274d1ac"}
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