Алексей Иващенко
type: MusicGroup
popularity: 18
followers: 1056
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f451b82b9ea51574a58ea99536f4287dc7e1157b9611a8720a528c2cc8ebc8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4e383a1c-58a6-44dd-9a09-b384d49a30e8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4e383a1c-58a6-44dd-9a09-b384d49a30e8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4e383a1c-58a6-44dd-9a09-b384d49a30e8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2f451b82b9ea51574a58ea99536f4287dc7e1157b9611a8720a528c2cc8ebc8e","name":"Алексей Иващенко","registered_at":"2026-06-14T12:37:42Z","symbol":"NIM0455214","token_address":"0x163ad456c7486932f711d18e8f54cfc528fd6bb8","type":"artist","uuid":"4e383a1c-58a6-44dd-9a09-b384d49a30e8"}
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 0x2f451b82b9ea51574a58ea99536f4287dc7e1157b9611a8720a528c2cc8ebc8e. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e383a1c-58a6-44dd-9a09-b384d49a30e8.json and https://artists.proofprofile.net/proofs/artist/4e383a1c-58a6-44dd-9a09-b384d49a30e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0x2f451b82b9ea51574a58ea99536f4287dc7e1157b9611a8720a528c2cc8ebc8e","name":"Алексей Иващенко","registered_at":"2026-06-14T12:37:42Z","symbol":"NIM0455214","token_address":"0x163ad456c7486932f711d18e8f54cfc528fd6bb8","type":"artist","uuid":"4e383a1c-58a6-44dd-9a09-b384d49a30e8"}
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  type: MusicAlbum
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