cheb hamidou
type: MusicGroup
genre: raï
popularity: 15
followers: 9844
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x645b41895353be20c1ddc7fd510a552a9b1c9b28f7a7ce6c6da1d58bce3d2afb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953674
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x645b41895353be20c1ddc7fd510a552a9b1c9b28f7a7ce6c6da1d58bce3d2afb","name":"cheb hamidou","registered_at":"2026-06-14T14:04:26Z","symbol":"NIM0475923","token_address":"0xcf3896576d1a9badb574cb59b47ed1bcc4b8b36a","type":"artist","uuid":"5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6"}
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 0x645b41895353be20c1ddc7fd510a552a9b1c9b28f7a7ce6c6da1d58bce3d2afb. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6.json and https://artists.proofprofile.net/proofs/artist/5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:07:16Z
  text: {"copyright_id":"0x645b41895353be20c1ddc7fd510a552a9b1c9b28f7a7ce6c6da1d58bce3d2afb","name":"cheb hamidou","registered_at":"2026-06-14T14:04:26Z","symbol":"NIM0475923","token_address":"0xcf3896576d1a9badb574cb59b47ed1bcc4b8b36a","type":"artist","uuid":"5c27e6d1-5e56-4f51-94e8-bfdcc823b0f6"}
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