Jazz Piano Classics
type: MusicGroup
popularity: 7
followers: 122
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21ea893d4fec044c3ac600e973066b8fc02aff91016ba3c6b6bb49793c112241
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ee48830-a5f8-449c-9c2b-a3d8aad9daf2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ee48830-a5f8-449c-9c2b-a3d8aad9daf2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ee48830-a5f8-449c-9c2b-a3d8aad9daf2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x21ea893d4fec044c3ac600e973066b8fc02aff91016ba3c6b6bb49793c112241","name":"Jazz Piano Classics","registered_at":"2026-06-16T11:26:37Z","symbol":"NIM1037333","token_address":"0x86d1f76152e2c850e14d6d0637a3fbc8c25eb3ed","type":"artist","uuid":"3ee48830-a5f8-449c-9c2b-a3d8aad9daf2"}
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 0x21ea893d4fec044c3ac600e973066b8fc02aff91016ba3c6b6bb49793c112241. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ee48830-a5f8-449c-9c2b-a3d8aad9daf2.json and https://artists.proofprofile.net/proofs/artist/3ee48830-a5f8-449c-9c2b-a3d8aad9daf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x21ea893d4fec044c3ac600e973066b8fc02aff91016ba3c6b6bb49793c112241","name":"Jazz Piano Classics","registered_at":"2026-06-16T11:26:37Z","symbol":"NIM1037333","token_address":"0x86d1f76152e2c850e14d6d0637a3fbc8c25eb3ed","type":"artist","uuid":"3ee48830-a5f8-449c-9c2b-a3d8aad9daf2"}
album: Classic Keys in Jazz
  type: MusicAlbum
  date published: 2021-01-24
album: Instrumental Jazz Piano Songs
  type: MusicAlbum
  date published: 2022-06-12
album: Slow & Gentle Piano Jazz
  type: MusicAlbum
  date published: 2022-08-14
album: Background Jazz Piano Songs for a Relaxing Evening Atmosphere
  type: MusicAlbum
  date published: 2023-03-27