Johan Duijck
type: MusicGroup
genre: minimalism
description: Johan Duijck (born 1954 in Ghent) is a Belgian composer and conductor. He is conductor of the Flemish Radio Choir, the Academy of St Martin in the Fields Chorus in London and the Gents Madrigaalkoor.
popularity: 4
followers: 140
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x37200e63f73fb0e96eac2829001e838b1561d0ee005df512192730acfdbccfce
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebbf1150-05f1-4e47-9baa-b0a6971869b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebbf1150-05f1-4e47-9baa-b0a6971869b7.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebbf1150-05f1-4e47-9baa-b0a6971869b7
additional property: OTSTimestamp
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  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
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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 0x37200e63f73fb0e96eac2829001e838b1561d0ee005df512192730acfdbccfce. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebbf1150-05f1-4e47-9baa-b0a6971869b7.json and https://artists.proofprofile.net/proofs/artist/ebbf1150-05f1-4e47-9baa-b0a6971869b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x37200e63f73fb0e96eac2829001e838b1561d0ee005df512192730acfdbccfce","name":"Johan Duijck","registered_at":"2026-06-21T11:00:33Z","symbol":"NIM1905698","token_address":"0x9809c6749416d5114e680f6f9fd1be41768df996","type":"artist","uuid":"ebbf1150-05f1-4e47-9baa-b0a6971869b7"}
album: In Flanders' Fields Vol. 54: El Camino del Alma
  type: MusicAlbum
  date published: 2007-12-03
album: In Flanders' Fields Vol. 58: Johan Duijck - Cantiones Sacrae
  type: MusicAlbum
  date published: 2009-01-27
album: In Flanders' Fields Vol. 66: Concierto del Alma
  type: MusicAlbum
  date published: 2010-10-19
album: In Flanders' Fields, Vol. 86: Mirando (Choral Works)
  type: MusicAlbum
  date published: 2015-06-19
album: Duijck compositions: L'Homme désarmé
  type: MusicAlbum
  date published: 2021-10-05
album: Cants D'un Ocell
  type: MusicAlbum
  date published: 2024-11-01
album: Ich Liebe Dich (Compositions)
  type: MusicAlbum
  date published: 2024-12-01