Иван Тургенев
type: MusicGroup
popularity: 6
followers: 93
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad34d2a30d75db7527356dfc347ccc3cdbda13a8963c42efbc3eb22b3da8c10e
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/08cda254-54ff-465a-b68e-38e15a78f248.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08cda254-54ff-465a-b68e-38e15a78f248.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/08cda254-54ff-465a-b68e-38e15a78f248
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:39:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad34d2a30d75db7527356dfc347ccc3cdbda13a8963c42efbc3eb22b3da8c10e","name":"Иван Тургенев","registered_at":"2026-06-15T16:39:21Z","symbol":"NIM0768245","token_address":"0x36634d36d150df996eb36e96a51f623c53d70619","type":"artist","uuid":"08cda254-54ff-465a-b68e-38e15a78f248"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad34d2a30d75db7527356dfc347ccc3cdbda13a8963c42efbc3eb22b3da8c10e. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08cda254-54ff-465a-b68e-38e15a78f248.json and https://artists.proofprofile.net/proofs/artist/08cda254-54ff-465a-b68e-38e15a78f248.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T02:39:16Z
  text: {"copyright_id":"0xad34d2a30d75db7527356dfc347ccc3cdbda13a8963c42efbc3eb22b3da8c10e","name":"Иван Тургенев","registered_at":"2026-06-15T16:39:21Z","symbol":"NIM0768245","token_address":"0x36634d36d150df996eb36e96a51f623c53d70619","type":"artist","uuid":"08cda254-54ff-465a-b68e-38e15a78f248"}
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