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  track: L'estro armonico. Concerto No. 1 for 4 Violins in D Major, Op. 3, RV 549: III. Allegro
  track: L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: I. Adagio e spiccato
  track: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: I. Andante
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  track: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: I. Allegro
  track: L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro
  track: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo
  track: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: III. Allegro
  track: L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: III. Allegro
  track: L'estro armonico. Concerto No. 6 for Violin in A Minor, Op. 3, RV 356: I. Allegro
  track: L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: I. Allegro
  track: L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: II. Largo
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  track: Concerto for 4 Harpsichords and Strings after RV 580 in A Minor, BWV 1065: I. [Allegro]
  track: L'estro armonico. concerto No. 8 for 2 Violins in A Minor, Op. 3, RV 522: I. Allegro
  track: L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: I. Allegro
  track: L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: II. Adagio e spiccato. Allegro
  track: L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: IV. Allegro
  track: L'estro armonico. Concerto No. 12 for Violin in E Major, Op. 3, RV 265: I. Allegro
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: I. Andante
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L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: II. [Allegro]
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duration ms: 136376
explicit: false
by artist: Antonio Vivaldi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Boris Begelman
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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  date published: 2022-03-25
popularity: 3
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: II. [Allegro]
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L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: II. Allegro assai
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duration: PT2M13S
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explicit: false
by artist: Antonio Vivaldi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Boris Begelman
by artist: Elisa Citterio
by artist: Andrea Rognoni
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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  date published: 2022-03-25
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSTimestamp
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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: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: II. Allegro assai
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L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: III. Larghetto
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duration: PT2M36S
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by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Boris Begelman
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ132113060
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: III. Larghetto
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L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio
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duration: PT0M42S
duration ms: 42200
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by artist: Antonio Vivaldi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Boris Begelman
by artist: Elisa Citterio
by artist: Andrea Rognoni
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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  date published: 2022-03-25
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ132113350
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio
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L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: IV. Allegro
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by artist: Boris Begelman
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popularity: 2
genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: IV. Allegro
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by artist: Andrea Rognoni
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popularity: 1
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
audio: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: IV. Allegro
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L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: I. Allegro
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by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
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popularity: 3
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: I. Allegro
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L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro
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by artist: Antonio Vivaldi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Andrea Rognoni
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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popularity: 1
genre: classical
genre: early-music
genre: baroque
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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: 2026-07-31T16:09:41Z
audio: L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro
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L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo
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duration ms: 116233
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by artist: Antonio Vivaldi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
in album: Vivaldi 12 Concertos Op.3 'Estro Armonico', Bach Keyboards Arrangements
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popularity: 2
genre: classical
genre: early-music
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additional property: OTSVerificationAPI
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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: 2026-07-08T03:22:41Z
audio: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo
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L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: III. Allegro
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by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Stefano Barneschi
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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: 2026-07-08T03:20:19Z
audio: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: III. Allegro
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L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: III. Allegro
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by artist: Concerto Italiano
by artist: Stefano Barneschi
by artist: Andrea Rognoni
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popularity: 1
genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: III. Allegro
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L'estro armonico. Concerto No. 6 for Violin in A Minor, Op. 3, RV 356: I. Allegro
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popularity: 1
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: L'estro armonico. Concerto No. 6 for Violin in A Minor, Op. 3, RV 356: I. Allegro
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L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: II. Largo
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subject of: OpenTimestamps Proof of Existence
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L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Concerto for 4 Harpsichords and Strings after RV 580 in A Minor, BWV 1065: I. [Allegro]
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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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L'estro armonico. concerto No. 8 for 2 Violins in A Minor, Op. 3, RV 522: I. Allegro
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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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L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: I. Allegro
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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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L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: IV. Allegro
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A Sentimental Journey
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244003

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSVerifyInstructions
type: PropertyValue
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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3a0004c1e0cc95aef71b3cfbfc2ed71cd96fb10fb210c9b98cc20daf2b9473. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244003 — a six-check JSON result.
date published: 2026-07-02T03:55:08Z

Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Adagio
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.33
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.23
additional property: Energy
  type: PropertyValue
  value: 0.061
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.907
additional property: Instrumentalness
  type: PropertyValue
  value: 0.882
additional property: Liveness
  type: PropertyValue
  value: 0.136
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.291
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.892
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Minor

Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Vivace
type: MusicRecording
duration: PT2M11S
duration ms: 131026
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 20
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:43:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f5a1d461f153da0008b291138d457fe8df884ecca7da558392f0620ed4e9ff7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5a1d461f153da0008b291138d457fe8df884ecca7da558392f0620ed4e9ff7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244004 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.906
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.352
  additional property: Energy
    type: PropertyValue
    value: 0.284
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.872
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.665
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.739
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Gavotta (Allegro)
type: MusicRecording
duration: PT0M44S
duration ms: 44506
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 10
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T01:45:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa30836b9157e8d0ca95b8252162cde94ef23a6ffdfb5b497bc1dcfd4858868a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960193
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960193
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:05:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30836b9157e8d0ca95b8252162cde94ef23a6ffdfb5b497bc1dcfd4858868a9. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244005 — a six-check JSON result.
  date published: 2026-07-30T02:05:19Z
audio: Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Gavotta (Allegro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.64
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.44
  additional property: Energy
    type: PropertyValue
    value: 0.368
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.847
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.754
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.633
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Grave
type: MusicRecording
duration: PT4M13S
duration ms: 253666
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 11
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:39:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0696d1c629393bbe967856b5998bcf64acab14b6a352300af551ba0cf7b31ddc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0696d1c629393bbe967856b5998bcf64acab14b6a352300af551ba0cf7b31ddc. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244006 — a six-check JSON result.
  date published: 2026-07-07T14:41:13Z
audio: Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Grave
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.007
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.108
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.247
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.933
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Allegro
type: MusicRecording
duration: PT2M11S
duration ms: 131133
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 14
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:34:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f61db873f5da67d61cc5fa1a4079ab64dc0bb5337df13792d9a347baae0c0ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960108
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f61db873f5da67d61cc5fa1a4079ab64dc0bb5337df13792d9a347baae0c0ec. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244007 — a six-check JSON result.
  date published: 2026-07-29T13:09:35Z
audio: Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.199
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.438
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.51
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.624
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Vivace
type: MusicRecording
duration: PT1M19S
duration ms: 79186
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 16
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:37:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x296245299d60f33e90d6f9af8cb15e372bbf50968a10d239232effa2dbfd6813
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x296245299d60f33e90d6f9af8cb15e372bbf50968a10d239232effa2dbfd6813. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244008 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.798
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.314
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.842
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.576
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.797
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.517
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Adagio
type: MusicRecording
duration: PT3M35S
duration ms: 215866
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 11
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T17:19:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x445752f1705c5be1fc791cb6d4d3e9a47f91c16ca7fbe182b49bd9050b84cf2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T17:48:40Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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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Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Vivace
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  date published: 2026-07-29T19:35:34Z
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Violin Sonata in G Minor, Op. 5 No. 5 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Violin Sonata in G Minor, Op. 5 No. 5 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
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Violin Sonata in G Minor, Op. 5 No. 5 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
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Violin Sonata in G Minor, Op. 5 No. 5 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Vivace
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T12:33:25Z
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Violin Sonata in A Major, Op. 5 No. 9 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Preludio (Allegro)
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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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Violin Sonata in A Major, Op. 5 No. 9 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Giga (Allegro)
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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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Violin Sonata in A Major, Op. 5 No. 9 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:04:01Z
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Violin Sonata in A Major, Op. 5 No. 9 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Tempo di Gavotta (Allegro)
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additional property: OTSTimestamp
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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
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Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Grave
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
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Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Allegro - Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
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Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Allegro
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcd1b95df7247ede51ee976d7f6c72b39503e2b8edb5dad61c727e9b78fab6ba. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244022 — a six-check JSON result.
  date published: 2026-07-30T05:15:54Z
audio: Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Allegro
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Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Adagio
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duration: PT3M38S
duration ms: 218440
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 9
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244023
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244023
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Adagio
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Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Allegro
type: MusicRecording
duration: PT2M17S
duration ms: 137693
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
  type: MusicAlbum
  date published: 2022-08-19
popularity: 10
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7289f8adf4ab248e3c3933cd1ca5b7cd2e0f7a615c937edee56e6b70a454ad. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244024 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Violin Sonata in A Major, Op. 5 No. 6 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Allegro
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Violin Sonata in D Minor, Op. 5 No. 12 "La Folia" (Transcr. for Viola da Gamba and Continuo by Teodoro Baù)
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duration ms: 787398
explicit: false
by artist: Arcangelo Corelli
by artist: Teodoro Baù
by artist: Andrea Buccarella
in album: Corelli: Sonatas for Viola da Gamba & Continuo
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  date published: 2022-08-19
popularity: 8
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: BER182244025
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1f5d0957ddb3dc1ee67893f04dccb5cdc5041888a3f629c443fcefb337cbdf. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182244025 — a six-check JSON result.
  date published: 2026-07-29T23:39:29Z
audio: Violin Sonata in D Minor, Op. 5 No. 12 "La Folia" (Transcr. for Viola da Gamba and Continuo by Teodoro Baù)
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Cieco Amor - Opera Arias Written for Giuseppe Maria Boschi
type: MusicAlbum
date published: 2021-03-12

Amate Stelle: Arias for Anna Maria Strada
type: MusicAlbum
date published: 2023-01-20

Antonio Vivaldi: Serenata a tre
type: MusicAlbum
date published: 2023-03-24

Del Cinque: Sonatas for Three Cellos
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date published: 2022-06-24
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  in album: Del Cinque: Sonatas for Three Cellos
    type: MusicAlbum
    date published: 2022-06-24
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210d5d76258792299fce1bcad51eebc4fae510db7ae712db258f434f6f624da4. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152801 — a six-check JSON result.
    date published: 2026-07-31T13:50:38Z
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    additional property: Mode (Major/Minor)
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track: Sonata No. 6 for Three Cellos in D Minor: II. Allegretto
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  duration: PT1M39S
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    date published: 2022-06-24
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:22:41Z
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track: Sonata No. 6 for Three Cellos in D Minor: III. Largo sostenuto
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Sonata No. 6 for Three Cellos in D Minor: III. Largo sostenuto
track: Sonata No. 6 for Three Cellos in D Minor: IV. Vivace con brio
track: Sonata No. 17 for Three Cellos in G Minor: III. Larghetto con espressione
track: Sonata No. 15 for Three Cellos in C Major: I. Adagio

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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
type: PropertyValue
value: 2026-08-01T02:22:04Z

OTSVerifyInstructions
type: PropertyValue
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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5808254ac8851c9f0643131eec93df278510e8b309603c27b3a1db0cbed2cc. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152803 — a six-check JSON result.
date published: 2026-08-01T02:22:04Z

Sonata No. 6 for Three Cellos in D Minor: III. Largo sostenuto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.408
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.208
additional property: Energy
  type: PropertyValue
  value: 0.057
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.978
additional property: Instrumentalness
  type: PropertyValue
  value: 0.848
additional property: Liveness
  type: PropertyValue
  value: 0.204
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.094
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.403
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Sonata No. 6 for Three Cellos in D Minor: IV. Vivace con brio
type: MusicRecording
duration: PT1M33S
duration ms: 93643
explicit: false
by artist: Ermenegildo Del Cinque
by artist: Ludovico Minasi
by artist: Cristina Vidoni
by artist: Teodoro Baù
by artist: Simone Vallerotonda
by artist: Andrea Buccarella
in album: Del Cinque: Sonatas for Three Cellos
  type: MusicAlbum
  date published: 2022-06-24
isrc code: FR46Y2152804
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:36:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d38b9dfcbf78b3087ede4c352fe04be4e89736cb1cc0e0b7f79e6c3004f2b3a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152804
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d38b9dfcbf78b3087ede4c352fe04be4e89736cb1cc0e0b7f79e6c3004f2b3a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152804 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonata No. 6 for Three Cellos in D Minor: IV. Vivace con brio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.894
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.454
  additional property: Liveness
    type: PropertyValue
    value: 0.261
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.483
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.684
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonata No. 17 for Three Cellos in G Minor: III. Larghetto con espressione
type: MusicRecording
duration: PT2M13S
duration ms: 133960
explicit: false
by artist: Ermenegildo Del Cinque
by artist: Ludovico Minasi
by artist: Cristina Vidoni
by artist: Teodoro Baù
in album: Del Cinque: Sonatas for Three Cellos
  type: MusicAlbum
  date published: 2022-06-24
isrc code: FR46Y2152807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:50:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf44fca6c22e5df6c94fea4153cee943891ea774c91ff0447d0f17e54f586c0e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf44fca6c22e5df6c94fea4153cee943891ea774c91ff0447d0f17e54f586c0e0. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152807 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Sonata No. 17 for Three Cellos in G Minor: III. Larghetto con espressione
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.035
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.187
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.314
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata No. 15 for Three Cellos in C Major: I. Adagio
type: MusicRecording
duration: PT2M51S
duration ms: 171480
explicit: false
by artist: Ermenegildo Del Cinque
by artist: Ludovico Minasi
by artist: Cristina Vidoni
by artist: Teodoro Baù
by artist: Simone Vallerotonda
in album: Del Cinque: Sonatas for Three Cellos
  type: MusicAlbum
  date published: 2022-06-24
isrc code: FR46Y2152809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:02:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29668a2c877dd6cdfe452f370ffe4a5d1135936e865f106609c02370af7063fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29668a2c877dd6cdfe452f370ffe4a5d1135936e865f106609c02370af7063fa. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2152809 — a six-check JSON result.
  date published: 2026-07-30T08:30:10Z
audio: Sonata No. 15 for Three Cellos in C Major: I. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.624
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.118
  additional property: Energy
    type: PropertyValue
    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.836
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.46
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'aureo Serto
type: MusicAlbum
date published: 2022-10-07

Il martirio di San Giovanni Nepomuceno: Agitato da più venti
type: MusicAlbum
date published: 2022-09-16

Rinaldo, HWV 7a: Sibilar Gli Angui d’Aletto
type: MusicAlbum
date published: 2021-02-19

Fantasia from Andrea Gabrieli to Johann Sebastian Bach
type: MusicAlbum
date published: 2023-11-10

Bach: Harpsichord Concertos Part III
type: MusicAlbum
date published: 2022-08-07
track: Concerto for 2 Harpsichords in C Minor, BWV 1062: I. -
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203453
  explicit: false
  by artist: Johann Sebastian Sebastian
  by artist: Francesco Corti
  by artist: Andrea Buccarella
  by artist: Il Pomo D'oro
  in album: Bach: Harpsichord Concertos Part III
    type: MusicAlbum
    date published: 2022-08-07
  isrc code: NLE422105601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T02:42:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x67b08c2e0c1ae78922c3c945ac1970c0d4cde21ed499049ff98a3abe031d30a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960203
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960203
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T03:35:13Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b08c2e0c1ae78922c3c945ac1970c0d4cde21ed499049ff98a3abe031d30a9. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105601 — a six-check JSON result.
    date published: 2026-07-30T03:35:13Z
  audio: Concerto for 2 Harpsichords in C Minor, BWV 1062: I. -
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.614
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.366
    additional property: Energy
      type: PropertyValue
      value: 0.448
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.78
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.308
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.802
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.145
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Concerto for 2 Harpsichords in C Minor, BWV 1062: II. Andante
  type: MusicRecording
  duration: PT5M38S
  duration ms: 338986
  explicit: false
  by artist: Johann Sebastian Sebastian
  by artist: Francesco Corti
  by artist: Andrea Buccarella
  by artist: Il Pomo D'oro
  in album: Bach: Harpsichord Concertos Part III
    type: MusicAlbum
    date published: 2022-08-07
  isrc code: NLE422105602
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T12:49:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea8d8495940174f6a6f63c75ca66d9ad0d44c15c60d835a4cdcad6ed5f8c4cdc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960403
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960403
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105602
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T13:04:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8d8495940174f6a6f63c75ca66d9ad0d44c15c60d835a4cdcad6ed5f8c4cdc. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105602 — a six-check JSON result.
    date published: 2026-07-31T13:04:34Z
  audio: Concerto for 2 Harpsichords in C Minor, BWV 1062: II. Andante
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.661
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.249
    additional property: Energy
      type: PropertyValue
      value: 0.08
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.715
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.152
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.229
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.531
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Concerto for 2 Harpsichords in C Minor, BWV 1062: III. Allegro assai
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252000
  explicit: false
  by artist: Johann Sebastian Sebastian
  by artist: Francesco Corti
  by artist: Andrea Buccarella
  by artist: Il Pomo D'oro
  in album: Bach: Harpsichord Concertos Part III
    type: MusicAlbum
    date published: 2022-08-07
  isrc code: NLE422105603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T10:27:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc6e4c8ad5fffc3939055202201b644352d00268e215924510459be133fa1fde7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Concerto for 2 Harpsichords in C Minor, BWV 1062: III. Allegro assai
track: Concerto for 2 Harpsichords in C Major, BWV 1061: I. -
track: Concerto for 2 Harpsichords in C Major, BWV 1061: II. Adagio ovvero Largo
track: Concerto for 2 Harpsichords in C Major, BWV 1061: III. Fuga. Vivace
track: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): I. Allegro
track: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): II. Siciliana
track: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): III. Presto
track: Concerto for 2 Harpsichords in C Minor, BWV 1060: I. Allegro
track: Concerto for 2 Harpsichords in C Minor, BWV 1060: II Adagio
track: Concerto for 2 Harpsichords in C Minor, BWV 1060: III. Allegro

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960247

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960247

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105603

OTSTimestamp
type: PropertyValue
value: 2026-07-30T10:42:33Z

OTSVerifyInstructions
type: PropertyValue
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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-30T10:42:33Z

Concerto for 2 Harpsichords in C Minor, BWV 1062: III. Allegro assai
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Concerto for 2 Harpsichords in C Major, BWV 1061: I. -
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by artist: Francesco Corti
by artist: Andrea Buccarella
by artist: Il Pomo D'oro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:57:33Z
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Concerto for 2 Harpsichords in C Major, BWV 1061: II. Adagio ovvero Largo
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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: Concerto for 2 Harpsichords in C Major, BWV 1061: II. Adagio ovvero Largo
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Concerto for 2 Harpsichords in C Major, BWV 1061: III. Fuga. Vivace
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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: Concerto for 2 Harpsichords in C Major, BWV 1061: III. Fuga. Vivace
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Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): I. Allegro
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Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): II. Siciliana
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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: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): II. Siciliana
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Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): III. Presto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Harpsichord Concerto No. 8 in D Minor, BWV 1059 (Reconstr. F. Corti): III. Presto
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Concerto for 2 Harpsichords in C Minor, BWV 1060: I. Allegro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
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Concerto for 2 Harpsichords in C Minor, BWV 1060: III. Allegro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T11:13:28Z
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track: Allor che lo sguardo, RV 650: I. Aria. Allor che lo sguardo
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T23:30:38Z
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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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Toccata. From Claudio Merulo to Johann Sebastian Bach
type: MusicAlbum
date published: 2019-09-27

Fantasie in C Minor, BWV 906
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date published: 2023-10-13

Vivaldi: "La dolce auretta" from Serenata a tre RV 690
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date published: 2023-03-10

Vivaldi: "Se all’estivo ardor cocente" from Serenata a tre RV 690
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date published: 2023-02-24

Allor che lo sguardo
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date published: 2021-10-29

Stabat Mater - Italian Sacred Music from the 18th Century
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date published: 2016-01-22

Bach Famous Pieces
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