AKKU quintet
type: MusicGroup
genre: nu jazz
popularity: 2
followers: 603
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd47d8dae274488c47278a048cb7c63509a88f7b18b737244385f93bbba1eb13e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12346dec-74f0-4530-9915-9dc0ea0d92ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12346dec-74f0-4530-9915-9dc0ea0d92ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/12346dec-74f0-4530-9915-9dc0ea0d92ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd47d8dae274488c47278a048cb7c63509a88f7b18b737244385f93bbba1eb13e","name":"AKKU quintet","registered_at":"2026-06-15T19:58:26Z","symbol":"NIM0815735","token_address":"0xb456be64d8ce6135c57eeb2c4b499edb2ab038f4","type":"artist","uuid":"12346dec-74f0-4530-9915-9dc0ea0d92ff"}
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 0xd47d8dae274488c47278a048cb7c63509a88f7b18b737244385f93bbba1eb13e. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12346dec-74f0-4530-9915-9dc0ea0d92ff.json and https://artists.proofprofile.net/proofs/artist/12346dec-74f0-4530-9915-9dc0ea0d92ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:37:25Z
  text: {"copyright_id":"0xd47d8dae274488c47278a048cb7c63509a88f7b18b737244385f93bbba1eb13e","name":"AKKU quintet","registered_at":"2026-06-15T19:58:26Z","symbol":"NIM0815735","token_address":"0xb456be64d8ce6135c57eeb2c4b499edb2ab038f4","type":"artist","uuid":"12346dec-74f0-4530-9915-9dc0ea0d92ff"}
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