Roy Agnew
type: MusicGroup
description: Roy Ewing "Robert" Agnew (23 August 1891 – 12 November 1944) was an Australian composer, pianist, teacher, and radio announcer. He was described as "the most outstanding of the early twentieth-century
popularity: 2
followers: 64
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf378cacf3bbd69451ece1225b0b1206cfbc3446bffec7a68a1559e5d168c546d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d492aec9-4537-477a-9786-ff6ce7aa9fee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d492aec9-4537-477a-9786-ff6ce7aa9fee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d492aec9-4537-477a-9786-ff6ce7aa9fee
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf378cacf3bbd69451ece1225b0b1206cfbc3446bffec7a68a1559e5d168c546d","name":"Roy Agnew","registered_at":"2026-06-21T02:07:17Z","symbol":"NIM1785635","token_address":"0xb91cd8dccea1297f25302fa02d19ab11a777f59f","type":"artist","uuid":"d492aec9-4537-477a-9786-ff6ce7aa9fee"}
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 0xf378cacf3bbd69451ece1225b0b1206cfbc3446bffec7a68a1559e5d168c546d. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d492aec9-4537-477a-9786-ff6ce7aa9fee.json and https://artists.proofprofile.net/proofs/artist/d492aec9-4537-477a-9786-ff6ce7aa9fee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0xf378cacf3bbd69451ece1225b0b1206cfbc3446bffec7a68a1559e5d168c546d","name":"Roy Agnew","registered_at":"2026-06-21T02:07:17Z","symbol":"NIM1785635","token_address":"0xb91cd8dccea1297f25302fa02d19ab11a777f59f","type":"artist","uuid":"d492aec9-4537-477a-9786-ff6ce7aa9fee"}
album: Agnew: Piano Music
  type: MusicAlbum
  date published: 2019-10-04
album: Agnew: Piano Music
  type: MusicAlbum
  date published: 2019-10-04
album: The Breaking of the Drought
  type: MusicAlbum
  date published: 2022-10-20