Krysia Osostowicz
type: MusicGroup
genre: chamber music
description: Krysia Osostowicz FGS (born 1960) is a violin player who teaches at the Guildhall School of Music. She is the leader of the Brodsky Quartet and principal violinist with the Endymion Ensemble. She prev
popularity: 6
followers: 96
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06fc6634c6442cc99a0c5db4315c4a3d0ceae718fd3de0f4265c2a71375a5eed
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953970
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953970
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a21e562-543d-4cba-a729-17fd844b8bce.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a21e562-543d-4cba-a729-17fd844b8bce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2a21e562-543d-4cba-a729-17fd844b8bce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:09:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x06fc6634c6442cc99a0c5db4315c4a3d0ceae718fd3de0f4265c2a71375a5eed. Chain 2 (Bitcoin): anchored in block 953970 (2026-06-16T16:09:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a21e562-543d-4cba-a729-17fd844b8bce.json and https://artists.proofprofile.net/proofs/artist/2a21e562-543d-4cba-a729-17fd844b8bce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:09:39Z
  text: {"copyright_id":"0x06fc6634c6442cc99a0c5db4315c4a3d0ceae718fd3de0f4265c2a71375a5eed","name":"Krysia Osostowicz","registered_at":"2026-06-16T04:12:00Z","symbol":"NIM0933558","token_address":"0x361b33a9a63fff4b14daf7c8a52caa3c53bc058f","type":"artist","uuid":"2a21e562-543d-4cba-a729-17fd844b8bce"}
album: French Violin Sonatas
  type: MusicAlbum
  date published: 2021-12-31