Sylvie Nataf
type: MusicGroup
popularity: 3
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd01f070d2c83d188d35b9bf9517bb685793402254f604e421c38bf39c65b2bca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/558d33e0-14ff-4368-bef9-32f4f844535c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/558d33e0-14ff-4368-bef9-32f4f844535c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/558d33e0-14ff-4368-bef9-32f4f844535c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd01f070d2c83d188d35b9bf9517bb685793402254f604e421c38bf39c65b2bca","name":"Sylvie Nataf","registered_at":"2026-06-16T19:42:43Z","symbol":"NIM1155680","token_address":"0x8ab822b289c8598334c152cc0db20bf493fdc3a3","type":"artist","uuid":"558d33e0-14ff-4368-bef9-32f4f844535c"}
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 0xd01f070d2c83d188d35b9bf9517bb685793402254f604e421c38bf39c65b2bca. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/558d33e0-14ff-4368-bef9-32f4f844535c.json and https://artists.proofprofile.net/proofs/artist/558d33e0-14ff-4368-bef9-32f4f844535c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xd01f070d2c83d188d35b9bf9517bb685793402254f604e421c38bf39c65b2bca","name":"Sylvie Nataf","registered_at":"2026-06-16T19:42:43Z","symbol":"NIM1155680","token_address":"0x8ab822b289c8598334c152cc0db20bf493fdc3a3","type":"artist","uuid":"558d33e0-14ff-4368-bef9-32f4f844535c"}
album: Lumière
  type: MusicAlbum
  date published: 2025-03-05