Nina Dorliak
type: MusicGroup
description: Nina Lvovna Dorliak (7 July 190817 May 1998) was a Russian soprano and a voice teacher at the Moscow Conservatory. She is known for forming a duo with pianist Sviatoslav Richter in recitals and record
popularity: 2
followers: 36
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9c59e3afd482752eddf84d3cbdb7eef6cf7f59b81598e54ac0dcd4d637058d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4675f5ff-8efa-4996-9d52-c5b45c79070b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4675f5ff-8efa-4996-9d52-c5b45c79070b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4675f5ff-8efa-4996-9d52-c5b45c79070b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9c59e3afd482752eddf84d3cbdb7eef6cf7f59b81598e54ac0dcd4d637058d3","name":"Nina Dorliak","registered_at":"2026-06-16T14:08:01Z","symbol":"NIM1075814","token_address":"0xe4676f52eff908bafce742cf07a6f715a176af12","type":"artist","uuid":"4675f5ff-8efa-4996-9d52-c5b45c79070b"}
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 0xa9c59e3afd482752eddf84d3cbdb7eef6cf7f59b81598e54ac0dcd4d637058d3. Chain 2 (Bitcoin): anchored in block 954063 (2026-06-17T07:49:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4675f5ff-8efa-4996-9d52-c5b45c79070b.json and https://artists.proofprofile.net/proofs/artist/4675f5ff-8efa-4996-9d52-c5b45c79070b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T07:49:29Z
  text: {"copyright_id":"0xa9c59e3afd482752eddf84d3cbdb7eef6cf7f59b81598e54ac0dcd4d637058d3","name":"Nina Dorliak","registered_at":"2026-06-16T14:08:01Z","symbol":"NIM1075814","token_address":"0xe4676f52eff908bafce742cf07a6f715a176af12","type":"artist","uuid":"4675f5ff-8efa-4996-9d52-c5b45c79070b"}
album: Mélodies russes (Live, Mono Version)
  type: MusicAlbum
  date published: 1962-01-01