Leila Smirnov
type: MusicGroup
popularity: 19
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf227a7ce5a532de8479da9e6d0be43f1f645ef48b6969e64000070e4ba0e971f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953782
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953782
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d413166c-ee4f-4892-a500-c4c56cfd3a52.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d413166c-ee4f-4892-a500-c4c56cfd3a52.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d413166c-ee4f-4892-a500-c4c56cfd3a52
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T12:13:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf227a7ce5a532de8479da9e6d0be43f1f645ef48b6969e64000070e4ba0e971f","name":"Leila Smirnov","registered_at":"2026-06-15T02:55:09Z","symbol":"NIM0659834","token_address":"0xf7eef8ffbbdfb628725eba454afc7c70db1f9697","type":"artist","uuid":"d413166c-ee4f-4892-a500-c4c56cfd3a52"}
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 0xf227a7ce5a532de8479da9e6d0be43f1f645ef48b6969e64000070e4ba0e971f. Chain 2 (Bitcoin): anchored in block 953782 (2026-06-15T12:13:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d413166c-ee4f-4892-a500-c4c56cfd3a52.json and https://artists.proofprofile.net/proofs/artist/d413166c-ee4f-4892-a500-c4c56cfd3a52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T12:13:59Z
  text: {"copyright_id":"0xf227a7ce5a532de8479da9e6d0be43f1f645ef48b6969e64000070e4ba0e971f","name":"Leila Smirnov","registered_at":"2026-06-15T02:55:09Z","symbol":"NIM0659834","token_address":"0xf7eef8ffbbdfb628725eba454afc7c70db1f9697","type":"artist","uuid":"d413166c-ee4f-4892-a500-c4c56cfd3a52"}
album: My sky
  type: MusicAlbum
  date published: 2024-03-15