MARGARITA LEVCHUK
type: MusicGroup
description: Margarita Levchuk (Belarusian Маргарыта Аляксандраўна Ляўчук, Marharyta Liauchuk; born 16 April 1990) is a Belarusian opera singer (soprano). She is a soloist of the Musical House "Classics"; a solois
popularity: 14
followers: 282
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16f6729ecff834a69da5c749f186c0277d526f63701771fbd75ae78af655cd47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b25af83-6f07-4283-bcb5-b4ed42a98731.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b25af83-6f07-4283-bcb5-b4ed42a98731.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9b25af83-6f07-4283-bcb5-b4ed42a98731
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x16f6729ecff834a69da5c749f186c0277d526f63701771fbd75ae78af655cd47","name":"MARGARITA LEVCHUK","registered_at":"2026-06-14T20:41:41Z","symbol":"NIM0570644","token_address":"0x751ea81cbf1322d553d13189c1eccb00fad09102","type":"artist","uuid":"9b25af83-6f07-4283-bcb5-b4ed42a98731"}
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 0x16f6729ecff834a69da5c749f186c0277d526f63701771fbd75ae78af655cd47. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9b25af83-6f07-4283-bcb5-b4ed42a98731.json and https://artists.proofprofile.net/proofs/artist/9b25af83-6f07-4283-bcb5-b4ed42a98731.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x16f6729ecff834a69da5c749f186c0277d526f63701771fbd75ae78af655cd47","name":"MARGARITA LEVCHUK","registered_at":"2026-06-14T20:41:41Z","symbol":"NIM0570644","token_address":"0x751ea81cbf1322d553d13189c1eccb00fad09102","type":"artist","uuid":"9b25af83-6f07-4283-bcb5-b4ed42a98731"}
album: Знаю
  type: MusicAlbum
  date published: 2024-07-12