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  track: Cello Concerto in B-Flat Major, Op. 1, No. 4: I. Presto
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  track: Cello Concerto in B-Flat Major, Op. 1, No. 2: III. Allegro assai
  track: Cello Concerto in G Major, Op. 1, No. 6: II. Siciliana
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track: Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Cello Concerto in D Major, Op. 1, No. 1: II. Andante
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Cello Concerto in D Major, Op. 1, No. 1: III. Giga
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Cello Concerto in D Minor, Op. 1, No. 5: I. Allegro
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Cello Concerto in D Minor, Op. 1, No. 5: III. Allegro moderato
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Cello Concerto in A Major, Op. 1, No. 3: I. Allegro
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  date published: 2026-07-08T03:22:41Z
audio: Cello Concerto in A Major, Op. 1, No. 3: I. Allegro
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Cello Concerto in B-Flat Major, Op. 1, No. 4: I. Presto
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by artist: Richard Tunnicliffe
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by artist: Pavlo Beznosiuk
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popularity: 8
genre: classical-era
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  date published: 2026-07-22T19:35:16Z
audio: Cello Concerto in B-Flat Major, Op. 1, No. 4: I. Presto
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Cello Concerto in D Major, Op. 1, No. 1: I. Allegro
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duration: PT7M37S
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by artist: Richard Tunnicliffe
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by artist: Pavlo Beznosiuk
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popularity: 4
genre: classical-era
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  date published: 2026-07-30T09:57:33Z
audio: Cello Concerto in D Major, Op. 1, No. 1: I. Allegro
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additional property: OTSVerifyInstructions
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Cello Concerto in B-Flat Major, Op. 1, No. 2: II. Affettuoso
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by artist: Richard Tunnicliffe
by artist: The Avison Ensemble
by artist: Pavlo Beznosiuk
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popularity: 3
genre: classical-era
genre: galante-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Cello Concerto in B-Flat Major, Op. 1, No. 2: II. Affettuoso
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additional property: OTSVerifyInstructions
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Cello Concerto in B-Flat Major, Op. 1, No. 2: III. Allegro assai
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duration: PT5M3S
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by artist: Richard Tunnicliffe
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by artist: Pavlo Beznosiuk
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popularity: 3
genre: classical-era
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  date published: 2026-07-31T18:48:12Z
audio: Cello Concerto in B-Flat Major, Op. 1, No. 2: III. Allegro assai
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Cello Concerto in G Major, Op. 1, No. 6: II. Siciliana
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by artist: Pavlo Beznosiuk
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popularity: 1
genre: classical-era
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  date published: 2026-07-31T13:04:34Z
audio: Cello Concerto in G Major, Op. 1, No. 6: II. Siciliana
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Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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by artist: Lucy Howard
by artist: Pavlo Beznosiuk
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Estampie (Medieval Violin)
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duration: PT1M20S
duration ms: 80146
explicit: false
by artist: Anonymous
by artist: Pavlo Beznosiuk
in album: Dictionary of Medieval & Renaissance Instruments
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  date published: 2002-12-31
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: Estampie (Medieval Violin)
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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