Piano Jazz Collection
type: MusicGroup
genre: smooth jazz
popularity: 4
followers: 138
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e9c6eb968de4fe7d38a85dd09c796ce682d71027d7a941ebfb0d757d47ea29e
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/f05efa1c-ef79-4176-9b7d-da7e02211e84.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f05efa1c-ef79-4176-9b7d-da7e02211e84.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f05efa1c-ef79-4176-9b7d-da7e02211e84
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e9c6eb968de4fe7d38a85dd09c796ce682d71027d7a941ebfb0d757d47ea29e","name":"Piano Jazz Collection","registered_at":"2026-06-21T12:56:06Z","symbol":"NIM1928479","token_address":"0x7722f348c3923814a2cd61123fef6179b068d5f6","type":"artist","uuid":"f05efa1c-ef79-4176-9b7d-da7e02211e84"}
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 0x4e9c6eb968de4fe7d38a85dd09c796ce682d71027d7a941ebfb0d757d47ea29e. 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/f05efa1c-ef79-4176-9b7d-da7e02211e84.json and https://artists.proofprofile.net/proofs/artist/f05efa1c-ef79-4176-9b7d-da7e02211e84.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x4e9c6eb968de4fe7d38a85dd09c796ce682d71027d7a941ebfb0d757d47ea29e","name":"Piano Jazz Collection","registered_at":"2026-06-21T12:56:06Z","symbol":"NIM1928479","token_address":"0x7722f348c3923814a2cd61123fef6179b068d5f6","type":"artist","uuid":"f05efa1c-ef79-4176-9b7d-da7e02211e84"}
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