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genre: chamber music
genre: classical
description: John Alexander Brymer OBE (27 January 191516 September 2003) was an English clarinettist and saxophonist. The Times called him "the leading clarinettist of his generation, perhaps of the century".Goo
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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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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-06-13T12:47:07Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
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  track: Serenade in B flat, K.361 "Gran partita": 7. Finale (Molto allegro)
album: Mozart: Clarinet Quintet in A; Schubert: Piano Quintet in A - "Trout"
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track: Clarinet Concerto in A Major, K. 622: II. Adagio
track: Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
track: Mozart: Concerto For Clarinet And Orchestra In A (K. 622)
track: Adagio for Clarinet & Strings in D-Flat Major (formerly attrib. Wagner)

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Clarinet Concerto in A Major, K. 622: II. Adagio
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Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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Adagio for Clarinet & Strings in D-Flat Major (formerly attrib. Wagner)
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