Warren Nicholson
type: MusicGroup
description: Warren Nicholson (born October 9, 1965) is a Canadian classical guitarist. Career Nicholson was born on October 9, 1965, in Lachine, Quebec, Canada. He graduated from McMaster University in 1991 an
popularity: 2
followers: 113
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f22b77381ea773d2605a55cab33d017d7b5f2ca14f9b2ff3b065eca2c390b22
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f92507e-8d21-4e50-a66e-ec5c18a707b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f92507e-8d21-4e50-a66e-ec5c18a707b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8f92507e-8d21-4e50-a66e-ec5c18a707b7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8f22b77381ea773d2605a55cab33d017d7b5f2ca14f9b2ff3b065eca2c390b22","name":"Warren Nicholson","registered_at":"2026-06-17T16:06:12Z","symbol":"NIM1447474","token_address":"0xc643fda082fe49318dd90db6163b4bc57f9c11f5","type":"artist","uuid":"8f92507e-8d21-4e50-a66e-ec5c18a707b7"}
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 0x8f22b77381ea773d2605a55cab33d017d7b5f2ca14f9b2ff3b065eca2c390b22. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f92507e-8d21-4e50-a66e-ec5c18a707b7.json and https://artists.proofprofile.net/proofs/artist/8f92507e-8d21-4e50-a66e-ec5c18a707b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x8f22b77381ea773d2605a55cab33d017d7b5f2ca14f9b2ff3b065eca2c390b22","name":"Warren Nicholson","registered_at":"2026-06-17T16:06:12Z","symbol":"NIM1447474","token_address":"0xc643fda082fe49318dd90db6163b4bc57f9c11f5","type":"artist","uuid":"8f92507e-8d21-4e50-a66e-ec5c18a707b7"}
album: Latin American Guitar Favourites
  type: MusicAlbum
  date published: 2013-09-01
album: Spanish Miniatures
  type: MusicAlbum
  date published: 2018-09-01
album: Sonidos del Sur
  type: MusicAlbum
  date published: 2021-04-23
album: Love Theme from Only A Game
  type: MusicAlbum
  date published: 2023-01-02
album: Will I Win (Or Will You Lose)
  type: MusicAlbum
  date published: 2023-02-17