Choir of Exeter College, Oxford
type: MusicGroup
genre: choral
popularity: 2
followers: 130
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c8bed1b85700fae09370595353fe5e42d8ceee78831499f3c6d8e3faae73e70
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b15f8358-25be-472c-8cda-84d6286fd1f2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b15f8358-25be-472c-8cda-84d6286fd1f2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b15f8358-25be-472c-8cda-84d6286fd1f2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c8bed1b85700fae09370595353fe5e42d8ceee78831499f3c6d8e3faae73e70","name":"Choir of Exeter College, Oxford","registered_at":"2026-06-20T12:18:54Z","symbol":"NIM1611218","token_address":"0x7a003731b6c4718cecca1f5ddb6576aa1d758f21","type":"artist","uuid":"b15f8358-25be-472c-8cda-84d6286fd1f2"}
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 0x0c8bed1b85700fae09370595353fe5e42d8ceee78831499f3c6d8e3faae73e70. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b15f8358-25be-472c-8cda-84d6286fd1f2.json and https://artists.proofprofile.net/proofs/artist/b15f8358-25be-472c-8cda-84d6286fd1f2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x0c8bed1b85700fae09370595353fe5e42d8ceee78831499f3c6d8e3faae73e70","name":"Choir of Exeter College, Oxford","registered_at":"2026-06-20T12:18:54Z","symbol":"NIM1611218","token_address":"0x7a003731b6c4718cecca1f5ddb6576aa1d758f21","type":"artist","uuid":"b15f8358-25be-472c-8cda-84d6286fd1f2"}
album: Stanford, Parry & Edwards: Choral Works
  type: MusicAlbum
  date published: 2014-04-04
album: Stanford, Parry & Edwards: Choral Works
  type: MusicAlbum
  date published: 2014-04-04
album: Stanford: Mass in G Major and Other Choral Works
  type: MusicAlbum
  date published: 2014-05-16
album: Mater Mundi
  type: MusicAlbum
  date published: 2019-05-22
album: Masters in This Hall - Carols Ancient and Modern
  type: MusicAlbum
  date published: 2021-12-01