Madeleine Cazenave
type: MusicGroup
popularity: 5
followers: 524
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebf5a99b8be124d8a2e50335317fb184062defe5dbe6719b44274bab95bf71dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953980
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953980
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c2ac743-d055-4080-8365-98d00f232fa1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c2ac743-d055-4080-8365-98d00f232fa1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2c2ac743-d055-4080-8365-98d00f232fa1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:16:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xebf5a99b8be124d8a2e50335317fb184062defe5dbe6719b44274bab95bf71dd","name":"Madeleine Cazenave","registered_at":"2026-06-16T04:53:37Z","symbol":"NIM0943500","token_address":"0xaced42a098cf0b77d8314f3d652fc9c0a044cde3","type":"artist","uuid":"2c2ac743-d055-4080-8365-98d00f232fa1"}
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 0xebf5a99b8be124d8a2e50335317fb184062defe5dbe6719b44274bab95bf71dd. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c2ac743-d055-4080-8365-98d00f232fa1.json and https://artists.proofprofile.net/proofs/artist/2c2ac743-d055-4080-8365-98d00f232fa1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xebf5a99b8be124d8a2e50335317fb184062defe5dbe6719b44274bab95bf71dd","name":"Madeleine Cazenave","registered_at":"2026-06-16T04:53:37Z","symbol":"NIM0943500","token_address":"0xaced42a098cf0b77d8314f3d652fc9c0a044cde3","type":"artist","uuid":"2c2ac743-d055-4080-8365-98d00f232fa1"}
album: Octobre
  type: MusicAlbum
  date published: 2011-10-18
album: Octobre
  type: MusicAlbum
  date published: 2011-10-18
album: Matines
  type: MusicAlbum
  date published: 2014-09-18
album: Matines
  type: MusicAlbum
  date published: 2014-09-18
album: Incendies (Duo)
  type: MusicAlbum
  date published: 2015-12-18
album: Incendies
  type: MusicAlbum
  date published: 2015-12-18
album: Le bruit des loups
  type: MusicAlbum
  date published: 2020-03-18
album: Le bruit des loups
  type: MusicAlbum
  date published: 2020-03-18