Vivienne Noir
type: MusicGroup
popularity: 33
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac96b1ede8f662d22cb3a07b8abc425e40b2b5125096cddb6939d9bac85c97c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/273d1a82-f283-40b8-8b05-868ddfcd807c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/273d1a82-f283-40b8-8b05-868ddfcd807c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/273d1a82-f283-40b8-8b05-868ddfcd807c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xac96b1ede8f662d22cb3a07b8abc425e40b2b5125096cddb6939d9bac85c97c6","name":"Vivienne Noir","registered_at":"2026-06-11T14:36:05Z","symbol":"NIM0050957","token_address":"0x125a22adb0436cc553e9ee90bc5afd442f5ad444","type":"artist","uuid":"273d1a82-f283-40b8-8b05-868ddfcd807c"}
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 0xac96b1ede8f662d22cb3a07b8abc425e40b2b5125096cddb6939d9bac85c97c6. 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/273d1a82-f283-40b8-8b05-868ddfcd807c.json and https://artists.proofprofile.net/proofs/artist/273d1a82-f283-40b8-8b05-868ddfcd807c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xac96b1ede8f662d22cb3a07b8abc425e40b2b5125096cddb6939d9bac85c97c6","name":"Vivienne Noir","registered_at":"2026-06-11T14:36:05Z","symbol":"NIM0050957","token_address":"0x125a22adb0436cc553e9ee90bc5afd442f5ad444","type":"artist","uuid":"273d1a82-f283-40b8-8b05-868ddfcd807c"}
album: Piano Affairs
  type: MusicAlbum
  date published: 2025-02-14