Ismail ouhammaz اسماعيل وهماز
type: MusicGroup
genre: raï
popularity: 17
followers: 109
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65966818d4a495e82243a38727a8ea6545754ce30850666efa85309bc4669111
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x65966818d4a495e82243a38727a8ea6545754ce30850666efa85309bc4669111","name":"Ismail ouhammaz اسماعيل وهماز","registered_at":"2026-06-14T10:44:08Z","symbol":"NIM0428137","token_address":"0x410866d64f603aa8f950bdc9db4a1e96aa01269b","type":"artist","uuid":"3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2"}
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 0x65966818d4a495e82243a38727a8ea6545754ce30850666efa85309bc4669111. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2.json and https://artists.proofprofile.net/proofs/artist/3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x65966818d4a495e82243a38727a8ea6545754ce30850666efa85309bc4669111","name":"Ismail ouhammaz اسماعيل وهماز","registered_at":"2026-06-14T10:44:08Z","symbol":"NIM0428137","token_address":"0x410866d64f603aa8f950bdc9db4a1e96aa01269b","type":"artist","uuid":"3c127ae3-b653-4d0c-b1bf-7e2b7b8814a2"}
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