Karina Deleau
type: MusicGroup
genre: chillstep
popularity: 2
followers: 31
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2359d3e9c0e02fbf70d96784f79be1fd10fb21bc12acfd4e9c80aad2cf8f9680
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953877
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953877
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/090f36ef-3a21-4b51-851d-37dccfe87690.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/090f36ef-3a21-4b51-851d-37dccfe87690.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/090f36ef-3a21-4b51-851d-37dccfe87690
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:39:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2359d3e9c0e02fbf70d96784f79be1fd10fb21bc12acfd4e9c80aad2cf8f9680","name":"Karina Deleau","registered_at":"2026-06-15T16:40:29Z","symbol":"NIM0768520","token_address":"0x6158eb9d927f2fea5a8a5b3615a9270e1abda5c7","type":"artist","uuid":"090f36ef-3a21-4b51-851d-37dccfe87690"}
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 0x2359d3e9c0e02fbf70d96784f79be1fd10fb21bc12acfd4e9c80aad2cf8f9680. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/090f36ef-3a21-4b51-851d-37dccfe87690.json and https://artists.proofprofile.net/proofs/artist/090f36ef-3a21-4b51-851d-37dccfe87690.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:57:35Z
  text: {"copyright_id":"0x2359d3e9c0e02fbf70d96784f79be1fd10fb21bc12acfd4e9c80aad2cf8f9680","name":"Karina Deleau","registered_at":"2026-06-15T16:40:29Z","symbol":"NIM0768520","token_address":"0x6158eb9d927f2fea5a8a5b3615a9270e1abda5c7","type":"artist","uuid":"090f36ef-3a21-4b51-851d-37dccfe87690"}
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  type: MusicAlbum
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