Cheb Karim Bouchnab
type: MusicGroup
genre: raï
popularity: 2
followers: 305
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14bc0bd6b04bc1e742270d41f43fcac7b96087ae0949e169d82b9f3cd87c5bd6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f7da0e9-f73c-41c0-accc-0f3af6c08cf0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f7da0e9-f73c-41c0-accc-0f3af6c08cf0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f7da0e9-f73c-41c0-accc-0f3af6c08cf0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x14bc0bd6b04bc1e742270d41f43fcac7b96087ae0949e169d82b9f3cd87c5bd6","name":"Cheb Karim Bouchnab","registered_at":"2026-06-20T05:31:13Z","symbol":"NIM1526007","token_address":"0xd635928c4cdbc776601bbad174b4ca63fdd5ad0a","type":"artist","uuid":"9f7da0e9-f73c-41c0-accc-0f3af6c08cf0"}
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 0x14bc0bd6b04bc1e742270d41f43fcac7b96087ae0949e169d82b9f3cd87c5bd6. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f7da0e9-f73c-41c0-accc-0f3af6c08cf0.json and https://artists.proofprofile.net/proofs/artist/9f7da0e9-f73c-41c0-accc-0f3af6c08cf0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x14bc0bd6b04bc1e742270d41f43fcac7b96087ae0949e169d82b9f3cd87c5bd6","name":"Cheb Karim Bouchnab","registered_at":"2026-06-20T05:31:13Z","symbol":"NIM1526007","token_address":"0xd635928c4cdbc776601bbad174b4ca63fdd5ad0a","type":"artist","uuid":"9f7da0e9-f73c-41c0-accc-0f3af6c08cf0"}
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