Graham Walker
type: MusicGroup
genre: choral
description: Graham Walker may refer to: Graham Walker (motorcyclist) (1896–1962), English motorcycle racer, broadcaster and journalist Graham Walker (academic), American academic, professor, and president of P
popularity: 18
followers: 71
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348f6e85ee0cca5f0ae07783dde290d2fc76656f3f7cd4bb4d1a6f7a09ad3200. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/85276c75-dccc-4341-a56a-2b551663efc3.json and https://artists.proofprofile.net/proofs/artist/85276c75-dccc-4341-a56a-2b551663efc3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:33:41Z
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track: Panis angelicus
track: Cantique de Jean Racine, Op. 11
track: Jesus College Service, Op. 53: No. 1, Magnificat
track: Jesus College Service, Op. 53: No. 2, Nunc dimittis

Panis angelicus
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duration: PT3M43S
duration ms: 223463
explicit: false
by artist: César Franck
by artist: Choir of St. John's College, Cambridge
by artist: Cambridge
by artist: Andrew Nethsingha
by artist: Graham Walker
by artist: Pablo Strong
by artist: Timothy Ravalde
in album: Hear My Words - Choral Classics from St. John's
  type: MusicAlbum
  date published: 2010-11-01
genre: chamber-music
isrc code: GBLWD1007609
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Panis angelicus
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Cantique de Jean Racine, Op. 11
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duration: PT5M29S
duration ms: 329436
explicit: false
by artist: Gabriel Fauré
by artist: Choir of St. John's College, Cambridge
by artist: Cambridge
by artist: Andrew Nethsingha
by artist: Graham Walker
by artist: Timothy Ravalde
in album: Hear My Words - Choral Classics from St. John's
  type: MusicAlbum
  date published: 2010-11-01
isrc code: GBLWD1007613
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22589fd02eab919f4f97a218a299aca62f62ef87f097ebefb5de56ece09907b0. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBLWD1007613.
  date published: 2026-07-02T11:38:34Z
audio: Cantique de Jean Racine, Op. 11
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Jesus College Service, Op. 53: No. 1, Magnificat
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duration: PT4M10S
duration ms: 250733
explicit: false
by artist: William Mathias
by artist: Bible
by artist: Shanna Hart
by artist: St. John's Voices
by artist: Graham Walker
in album: Mathias: Choral Music
  type: MusicAlbum
  date published: 2020-01-10
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c41e5529de831a6f48be9941327efa7e097fa9077b3678df20c5f89a523a41f. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/HKI191939502.
  date published: 2026-07-31T02:19:15Z
audio: Jesus College Service, Op. 53: No. 1, Magnificat
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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 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

Jesus College Service, Op. 53: No. 2, Nunc dimittis
type: MusicRecording
duration: PT2M52S
duration ms: 172013
explicit: false
by artist: William Mathias
by artist: Bible
by artist: Shanna Hart
by artist: St. John's Voices
by artist: Graham Walker
in album: Mathias: Choral Music
  type: MusicAlbum
  date published: 2020-01-10
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a2c291c133438318fbb35487b705b4ff0643ccc582e83328385629fb32d148. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/HKI191939503.
  date published: 2026-08-01T01:44:32Z
audio: Jesus College Service, Op. 53: No. 2, Nunc dimittis
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    value: -28.44
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    value: Major
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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 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