City of London Choir
type: MusicGroup
genre: choral
description: The City of London Choir is a non-professional choir based in London, England. In 2024, Daniel Hyde (also Director of Music for the Choir of King's College, Cambridge) was appointed as Musical Direct
popularity: 24
followers: 716
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a6378d5e7690f6e9970aef40091f950082153410cf97e8932b779426cda8f8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a6378d5e7690f6e9970aef40091f950082153410cf97e8932b779426cda8f8b","name":"City of London Choir","registered_at":"2026-06-12T08:59:18Z","symbol":"NIM0249439","token_address":"0xc3fa9a6218fa0867fe9896464938e104da5765f9","type":"artist","uuid":"c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3"}
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 0x7a6378d5e7690f6e9970aef40091f950082153410cf97e8932b779426cda8f8b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3.json and https://artists.proofprofile.net/proofs/artist/c20fa7ae-e010-4a76-9d7c-9f29ba32b1a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: A Christmas Celebration
  type: MusicAlbum
  date published: 2008-08-31
album: Flowers of the Field
  type: MusicAlbum
  date published: 2014-11-04
album: Flowers of the Field
  type: MusicAlbum
  date published: 2014-11-04
album: The Nation's Favourite Carols
  type: MusicAlbum
  date published: 2017-12-01
album: What Will This New Day Bring? (Single)
  type: MusicAlbum
  date published: 2023-11-30
album: The Stable
  type: MusicAlbum
  date published: 2023-12-07
album: The Stable
  type: MusicAlbum
  date published: 2023-12-07
album: Carol of the Manger
  type: MusicAlbum
  date published: 2023-12-14