Richard Dubugnon
type: MusicGroup
genre: chamber music
popularity: 2
followers: 176
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5100eda53ab807d459b59fa78a3cc63d17c3ee9d9f0c7f9f467cb0a7edc2f0. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5a8e5797-f721-47d9-b97b-96ba705a7422.json and https://artists.proofprofile.net/proofs/artist/5a8e5797-f721-47d9-b97b-96ba705a7422.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: Dubugnon: Piano Quartet / Incantatio / Frenglish Suite
  type: MusicAlbum
  date published: 2002-12-08
album: Dubugnon: Piano Quartet / Incantatio / Frenglish Suite
  type: MusicAlbum
  date published: 2002-12-08
album: Dubugnon: Piano Quartet / Incantatio / Frenglish Suite
  type: MusicAlbum
  date published: 2002-12-08
album: Dubugnon: Arcanes Symphoniques Op. 30
  type: MusicAlbum
  date published: 2008-01-01
album: Dubugnon: Arcanes symphoniques, Triptyque & Le songe Salinas
  type: MusicAlbum
  date published: 2017-01-13
album: Dubugnon: Arcanes symphoniques, Triptyque & Le songe Salinas
  type: MusicAlbum
  date published: 2017-01-13
album: Richard Dubugnon: Klavieriana, Op. 70 & Chamber Symphonies Nos. 1 & 2
  type: MusicAlbum
  date published: 2021-04-09
album: Richard Dubugnon: Klavieriana, Op. 70 & Chamber Symphonies Nos. 1 & 2
  type: MusicAlbum
  date published: 2021-04-09