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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  by artist: Raffaele Trevisani
  by artist: Kammerorchester Arcata Stuttgart
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  in album: La Magie Des Plus Beaux Adagios, Vol. 1
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-22T17:48:40Z
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track: Flute Concerto No. 1 in G, K. 313: III. Rondo. Tempo di menuetto
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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track: Flute Concerto No. 2 in D Major, K. 314: I. Allegro aperto
track: Concerto for Flute and Harp in C Major, K. 299: I. Allegro
track: Concerto for Flute and Harp in C Major, K. 299: II. Andantino

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Flute Concerto No. 2 in D Major, K. 314: I. Allegro aperto
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by artist: Raffaele Trevisani
by artist: Stuttgart Chamber Orchestra
by artist: Patrick Strub
in album: Mozart: Flute Concertos Nos. 1 and 2 / Concerto for Flute and Harp
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  date published: 2000-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto No. 2 in D Major, K. 314: I. Allegro aperto
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Concerto for Flute and Harp in C Major, K. 299: I. Allegro
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duration: PT10M28S
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by artist: Wolfgang Amadeus Mozart
by artist: Raffaele Trevisani
by artist: Luisa Prandina
by artist: Stuttgart Chamber Orchestra
by artist: Patrick Strub
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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additional property: OTSTimestamp
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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: 2026-07-31T15:20:15Z
audio: Concerto for Flute and Harp in C Major, K. 299: I. Allegro
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Concerto for Flute and Harp in C Major, K. 299: II. Andantino
type: MusicRecording
duration: PT8M27S
duration ms: 507266
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by artist: Raffaele Trevisani
by artist: Luisa Prandina
by artist: Stuttgart Chamber Orchestra
by artist: Patrick Strub
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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