Ульяна Karakoz
type: MusicGroup
popularity: 15
followers: 285
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x287d2dabaf9c4c88c475c610d512aa2ecb81d0449f43789bd5a18457a06c4556
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953765
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953765
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc5afb7f-e824-4bde-8f4c-2086664272c7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc5afb7f-e824-4bde-8f4c-2086664272c7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc5afb7f-e824-4bde-8f4c-2086664272c7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:55:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x287d2dabaf9c4c88c475c610d512aa2ecb81d0449f43789bd5a18457a06c4556","name":"Ульяна Karakoz","registered_at":"2026-06-15T00:16:31Z","symbol":"NIM0621931","token_address":"0x1a23dd8341e0351a9ce56c8944d114fbe2fe4c8f","type":"artist","uuid":"bc5afb7f-e824-4bde-8f4c-2086664272c7"}
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 0x287d2dabaf9c4c88c475c610d512aa2ecb81d0449f43789bd5a18457a06c4556. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc5afb7f-e824-4bde-8f4c-2086664272c7.json and https://artists.proofprofile.net/proofs/artist/bc5afb7f-e824-4bde-8f4c-2086664272c7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x287d2dabaf9c4c88c475c610d512aa2ecb81d0449f43789bd5a18457a06c4556","name":"Ульяна Karakoz","registered_at":"2026-06-15T00:16:31Z","symbol":"NIM0621931","token_address":"0x1a23dd8341e0351a9ce56c8944d114fbe2fe4c8f","type":"artist","uuid":"bc5afb7f-e824-4bde-8f4c-2086664272c7"}
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