LES TROMPETTES
type: MusicGroup
popularity: 4
followers: 198
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7b35b0b8e923606d8dce3020df18046a553bf97cc5c42f9d8ffddd6d98097c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fbffceec-d1a1-4bc3-aa42-7b471de23c9e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fbffceec-d1a1-4bc3-aa42-7b471de23c9e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fbffceec-d1a1-4bc3-aa42-7b471de23c9e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa7b35b0b8e923606d8dce3020df18046a553bf97cc5c42f9d8ffddd6d98097c5","name":"LES TROMPETTES","registered_at":"2026-06-21T17:28:49Z","symbol":"NIM1986305","token_address":"0x6ffe97a0507e56bafb0434c026e9399f1381cdb0","type":"artist","uuid":"fbffceec-d1a1-4bc3-aa42-7b471de23c9e"}
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 0xa7b35b0b8e923606d8dce3020df18046a553bf97cc5c42f9d8ffddd6d98097c5. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fbffceec-d1a1-4bc3-aa42-7b471de23c9e.json and https://artists.proofprofile.net/proofs/artist/fbffceec-d1a1-4bc3-aa42-7b471de23c9e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0xa7b35b0b8e923606d8dce3020df18046a553bf97cc5c42f9d8ffddd6d98097c5","name":"LES TROMPETTES","registered_at":"2026-06-21T17:28:49Z","symbol":"NIM1986305","token_address":"0x6ffe97a0507e56bafb0434c026e9399f1381cdb0","type":"artist","uuid":"fbffceec-d1a1-4bc3-aa42-7b471de23c9e"}
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