Cheb Mahdi La Classe
type: MusicGroup
genre: raï
popularity: 2
followers: 9
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1acb8a591f063495ce84892941d438888d350db6ac0afab6008c852063620f76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953959
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953959
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/277f8f59-6ba3-44ee-addd-2978a0a2de0f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/277f8f59-6ba3-44ee-addd-2978a0a2de0f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/277f8f59-6ba3-44ee-addd-2978a0a2de0f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:51:55Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1acb8a591f063495ce84892941d438888d350db6ac0afab6008c852063620f76","name":"Cheb Mahdi La Classe","registered_at":"2026-06-16T03:18:04Z","symbol":"NIM0920673","token_address":"0xdb36f4f76fd88beaf36e3041dc012048196273bb","type":"artist","uuid":"277f8f59-6ba3-44ee-addd-2978a0a2de0f"}
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 0x1acb8a591f063495ce84892941d438888d350db6ac0afab6008c852063620f76. Chain 2 (Bitcoin): anchored in block 953959 (2026-06-16T14:51:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/277f8f59-6ba3-44ee-addd-2978a0a2de0f.json and https://artists.proofprofile.net/proofs/artist/277f8f59-6ba3-44ee-addd-2978a0a2de0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:51:55Z
  text: {"copyright_id":"0x1acb8a591f063495ce84892941d438888d350db6ac0afab6008c852063620f76","name":"Cheb Mahdi La Classe","registered_at":"2026-06-16T03:18:04Z","symbol":"NIM0920673","token_address":"0xdb36f4f76fd88beaf36e3041dc012048196273bb","type":"artist","uuid":"277f8f59-6ba3-44ee-addd-2978a0a2de0f"}
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