Ulundi Police Choir
type: MusicGroup
popularity: 2
followers: 387
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd78937b30bcbf655264519d9b235192801ad34a2fb48c261b78e4844c1eeac24
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953968
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953968
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2943c381-d322-4eba-8765-1c9b4c506dfb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2943c381-d322-4eba-8765-1c9b4c506dfb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2943c381-d322-4eba-8765-1c9b4c506dfb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:01:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd78937b30bcbf655264519d9b235192801ad34a2fb48c261b78e4844c1eeac24","name":"Ulundi Police Choir","registered_at":"2026-06-16T03:58:54Z","symbol":"NIM0930425","token_address":"0xa83585df0497424ed16fb7b210d9c6cb61f9a730","type":"artist","uuid":"2943c381-d322-4eba-8765-1c9b4c506dfb"}
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 0xd78937b30bcbf655264519d9b235192801ad34a2fb48c261b78e4844c1eeac24. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2943c381-d322-4eba-8765-1c9b4c506dfb.json and https://artists.proofprofile.net/proofs/artist/2943c381-d322-4eba-8765-1c9b4c506dfb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xd78937b30bcbf655264519d9b235192801ad34a2fb48c261b78e4844c1eeac24","name":"Ulundi Police Choir","registered_at":"2026-06-16T03:58:54Z","symbol":"NIM0930425","token_address":"0xa83585df0497424ed16fb7b210d9c6cb61f9a730","type":"artist","uuid":"2943c381-d322-4eba-8765-1c9b4c506dfb"}
album: Amaphoyisa Asolundi - Zulu Khaya Lami
  type: MusicAlbum
  date published: 2011-11-01