Sandra Kerr
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description: Sandra Kerr (born 14 February 1942, Plaistow, Newham, Essex) is an English folk singer. Kerr sings and plays English concertina, guitar, Appalachian dulcimer and autoharp. She was a member of The C
popularity: 17
followers: 523
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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
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album: Bagpuss: The Songs & Music
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  date published: 1999-01-01
album: Neat and Complete
  type: MusicAlbum
  date published: 2000-03-01
album: Bagpuss: The Songs & Music
  type: MusicAlbum
  date published: 2006
album: Neat and Complete
  type: MusicAlbum
  date published: 2008
album: The Music from Bagpuss
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  date published: 2018-11-16
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    subject of: OpenTimestamps Proof of Existence
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  track: I Saw a Ship
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    by artist: Sandra Kerr
    in album: The Music from Bagpuss
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      date published: 2018-11-16
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-21T16:59:47Z
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  track: The Bony King of Nowhere
album: The Music From Bagpuss

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The Bony King of Nowhere
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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: 2026-07-18T10:30:13Z
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The Music From Bagpuss
type: MusicAlbum
date published: 2018-11-16