Cockney Quintet
type: MusicGroup
popularity: 2
followers: 68
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a9173569c46df9444dff994ea45052ef70c3a6703f0832b3c6c97580fb8f0ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9772fd66-21f9-444e-8397-4dac29b37d57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9772fd66-21f9-444e-8397-4dac29b37d57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9772fd66-21f9-444e-8397-4dac29b37d57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a9173569c46df9444dff994ea45052ef70c3a6703f0832b3c6c97580fb8f0ca","name":"Cockney Quintet","registered_at":"2026-06-17T18:28:37Z","symbol":"NIM1481469","token_address":"0x39c5ca2dd84b37ea9f320206d8c9bbb916f7e404","type":"artist","uuid":"9772fd66-21f9-444e-8397-4dac29b37d57"}
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 0x0a9173569c46df9444dff994ea45052ef70c3a6703f0832b3c6c97580fb8f0ca. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9772fd66-21f9-444e-8397-4dac29b37d57.json and https://artists.proofprofile.net/proofs/artist/9772fd66-21f9-444e-8397-4dac29b37d57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x0a9173569c46df9444dff994ea45052ef70c3a6703f0832b3c6c97580fb8f0ca","name":"Cockney Quintet","registered_at":"2026-06-17T18:28:37Z","symbol":"NIM1481469","token_address":"0x39c5ca2dd84b37ea9f320206d8c9bbb916f7e404","type":"artist","uuid":"9772fd66-21f9-444e-8397-4dac29b37d57"}
album: England - 40 Favourite Pub Songs
  type: MusicAlbum
  date published: 2011-04-06
album: Britain - 23 Favourites
  type: MusicAlbum
  date published: 2011-04-06