Walter Parratt
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genre: choral
description: Sir Walter Parratt (10 February 184127 March 1924) was an English organist and composer. He served as Master of the Queen's Music, and later as Master of the King's Music, from 1893 to 1924. Biograp
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followers: 64
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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 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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  by artist: Walter Parratt
  by artist: Christ Church Cathedral Choir, Oxford
  by artist: Stephen Darlington
  in album: An Oxford Evensong (Featuring University Composers)
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    date published: 2010-06-08
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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 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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    date published: 2026-07-30T15:42:38Z
  audio: Psalm 13
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track: Psalm 90 "Lord Thou Hast Been Our Refuge"
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  by artist: E Crow
  by artist: Walter Parratt
  by artist: Heathcote Statham
  by artist: Norwich Cathedral Choir
  by artist: Neil Taylor
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T00:26:26Z
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track: Psalm 119 "Blessed Are Those That Are Undefiled"
track: Psalm 92 "It Is a Good Thing to Give Thanks unto the Lord"
track: Psalm 96 "O Sing unto the Lord a New Song"

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Psalm 119 "Blessed Are Those That Are Undefiled"
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by artist: J. Booth
by artist: S. Matthews
by artist: Walter Parratt
by artist: Wendell Woods
by artist: Gloucester Cathedral Choir
by artist: Mark Lee
by artist: John Sanders
in album: Psalms of David, Vol. 5: Praise the Lord Ye Servants
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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 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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  date published: 2026-07-31T09:50:37Z
audio: Psalm 119 "Blessed Are Those That Are Undefiled"
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Psalm 92 "It Is a Good Thing to Give Thanks unto the Lord"
type: MusicRecording
duration: PT4M18S
duration ms: 258466
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by artist: Walter Parratt
by artist: Wakefield Cathedral Choir
by artist: Simon Earl
by artist: Thomas Moore
in album: The Complete Psalms of David, Series 2 Vol. 7
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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 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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  date published: 2026-07-08T03:20:19Z
audio: Psalm 92 "It Is a Good Thing to Give Thanks unto the Lord"
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Psalm 96 "O Sing unto the Lord a New Song"
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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 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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  date published: 2026-08-01T01:44:32Z
audio: Psalm 96 "O Sing unto the Lord a New Song"
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