David Quigley
type: MusicGroup
genre: classical piano
popularity: 3
followers: 88
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cdf177c47023ecf4673a6323abba0511b85ba23e6ad12e76fc854bafb953ee. 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/795191ed-bcab-4751-b553-eaf6136e5c8b.json and https://artists.proofprofile.net/proofs/artist/795191ed-bcab-4751-b553-eaf6136e5c8b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: Piano Music from Northern Ireland
  type: MusicAlbum
  date published: 2006-03-01
album: Piano Classics
  type: MusicAlbum
  date published: 2013-08-29
album: Piano Nocturnes
  type: MusicAlbum
  date published: 2018-08-17
  track: Soirées Musicales, Op. 6: II. Notturno
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    by artist: David Quigley
    in album: Piano Nocturnes
      type: MusicAlbum
      date published: 2018-08-17
    genre: classical piano
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x699060ba6223cf37f254132d1dc083525789ca8b9763b68dc6d83c22899f3d59. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:00:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBELX1806807.
      date published: 2026-07-21T13:00:43Z
    audio: Soirées Musicales, Op. 6: II. Notturno
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      additional property: Musical Key
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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