Henry Lindon
type: MusicGroup
genre: jazz
popularity: 25
followers: 445
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1cddcde1688ad2aea1ed1def1efabd782f297701ad8232a03514d9a722cdb23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf1cddcde1688ad2aea1ed1def1efabd782f297701ad8232a03514d9a722cdb23","name":"Henry Lindon","registered_at":"2026-06-12T09:36:51Z","symbol":"NIM0258145","token_address":"0x502a561d95c5c534b0dd84c9f7789b47b8bd4c84","type":"artist","uuid":"c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1cddcde1688ad2aea1ed1def1efabd782f297701ad8232a03514d9a722cdb23. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0.json and https://artists.proofprofile.net/proofs/artist/c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xf1cddcde1688ad2aea1ed1def1efabd782f297701ad8232a03514d9a722cdb23","name":"Henry Lindon","registered_at":"2026-06-12T09:36:51Z","symbol":"NIM0258145","token_address":"0x502a561d95c5c534b0dd84c9f7789b47b8bd4c84","type":"artist","uuid":"c81aaf2c-7844-4ec9-8b21-254ee6c3c6d0"}
album: Late Night Walk
  type: MusicAlbum
  date published: 2019-11-26