Commutation
type: MusicGroup
popularity: 2
followers: 303
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab9b71470535a656b9ee533501b05413ffbf705782d9091df94d1dded3653a38
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9917507e-d658-48ee-926c-59dce6683bd4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9917507e-d658-48ee-926c-59dce6683bd4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9917507e-d658-48ee-926c-59dce6683bd4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
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 0xab9b71470535a656b9ee533501b05413ffbf705782d9091df94d1dded3653a38. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9917507e-d658-48ee-926c-59dce6683bd4.json and https://artists.proofprofile.net/proofs/artist/9917507e-d658-48ee-926c-59dce6683bd4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
album: Café des Messieurs
  type: MusicAlbum
  date published: 2024-11-08
album: Damage Assessment
  type: MusicAlbum
  date published: 2024-11-22
album: The Representative
  type: MusicAlbum
  date published: 2024-12-06
album: Les Flots
  type: MusicAlbum
  date published: 2024-12-12
album: Customer Relationship Management
  type: MusicAlbum
  date published: 2025-01-17
album: Damage Assessment (Downtempo)
  type: MusicAlbum
  date published: 2025-02-03
album: Old Fashioned
  type: MusicAlbum
  date published: 2025-02-21
album: The Representative (Slowed)
  type: MusicAlbum
  date published: 2025-03-21
album: Bubbles
  type: MusicAlbum
  date published: 2025-05-09
album: Sunsets on the rocks
  type: MusicAlbum
  date published: 2025-09-05