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  track: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: II. Allegro assai
  track: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio
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album: A Sentimental Journey
album: Corelli: Sonatas for Viola da Gamba & Continuo
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Concerto for 4 Harpsichords and Strings after RV 580 in A Minor, BWV 1065: I. [Allegro]
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Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Preludio (Adagio)
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Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Allegro
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Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Adagio
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by artist: Teodoro Baù
by artist: Andrea Buccarella
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  date published: 2026-07-02T11:38:34Z
audio: Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Adagio
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Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Vivace
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by artist: Teodoro Baù
by artist: Andrea Buccarella
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popularity: 20
genre: classical
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  date published: 2026-07-02T11:38:34Z
audio: Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Vivace
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Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): I. Grave
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by artist: Teodoro Baù
by artist: Andrea Buccarella
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popularity: 11
genre: classical
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  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
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Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Vivace
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by artist: Andrea Buccarella
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popularity: 16
genre: classical
genre: early-music
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  date published: 2026-07-06T07:16:32Z
audio: Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): III. Vivace
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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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popularity: 12
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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  date published: 2026-07-02T05:09:12Z
audio: 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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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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  date published: 2026-07-07T18:39:05Z
audio: 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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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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  date published: 2026-07-08T03:20:19Z
audio: 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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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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  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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  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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  date published: 2026-07-07T14:04:01Z
audio: 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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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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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 B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): IV. Adagio
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  date published: 2026-07-22T20:21:19Z
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Violin Sonata in G Minor, Op. 5 No. 5 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Giga (Allegro)
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Violin Sonata in E Major, Op. 5 No. 11 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): V. Gavotta (Allegro)
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Violin Sonata in B-Flat Major, Op. 5 No. 2 (Transcr. for Viola da Gamba and Continuo by Teodoro Baù): II. Allegro
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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
audio: 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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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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  date published: 2026-07-29T22:48:59Z
audio: 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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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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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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genre: classical
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  date published: 2026-07-30T17:23:26Z
audio: 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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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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  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): V. Allegro
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by artist: Andrea Buccarella
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popularity: 10
genre: classical
genre: early-music
genre: baroque
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subject of: OpenTimestamps Proof of Existence
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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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by artist: Andrea Buccarella
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popularity: 8
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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  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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Sonata No. 6 for Three Cellos in D Minor: II. Allegretto
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Sonata No. 6 for Three Cellos in D Minor: II. Allegretto
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Sonata No. 6 for Three Cellos in D Minor: IV. Vivace con brio
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additional property: OTSVerifyInstructions
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Sonata No. 6 for Three Cellos in D Minor: I. Andantino posato
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duration: PT2M19S
duration ms: 139560
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:50:38Z
audio: Sonata No. 6 for Three Cellos in D Minor: I. Andantino posato
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additional property: OTSHash
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Concerto for 2 Harpsichords in C Major, BWV 1061: II. Adagio ovvero Largo
type: MusicRecording
duration: PT4M30S
duration ms: 270653
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
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isrc code: NLE422105605
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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
type: MusicRecording
duration: PT4M59S
duration ms: 299293
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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f28cba4663f3a4750a18c93397377269e50da05c6e45d1c4571114125a73624. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105606.
  date published: 2026-07-08T03:22:41Z
audio: Concerto for 2 Harpsichords in C Major, BWV 1061: III. Fuga. Vivace
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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
subject of: OpenTimestamps Proof of Existence
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  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105601.
  date published: 2026-07-30T03:35:13Z
audio: Concerto for 2 Harpsichords in C Minor, BWV 1062: I. -
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  additional property: Tempo (BPM)
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  additional property: Danceability
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105602.
  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)
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: NLE422105602
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6e4c8ad5fffc3939055202201b644352d00268e215924510459be133fa1fde7. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105603.
  date published: 2026-07-30T10:42:33Z
audio: Concerto for 2 Harpsichords in C Minor, BWV 1062: III. Allegro assai
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isrc code: NLE422105603
additional property: CopyrightID
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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

Concerto for 2 Harpsichords in C Major, BWV 1061: I. -
type: MusicRecording
duration: PT6M39S
duration ms: 399040
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd983bec84ee10b23c3d47a5470e60d7e4788439f93c985af4eebce6b338527bd. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105604.
  date published: 2026-07-30T09:57:33Z
audio: Concerto for 2 Harpsichords in C Major, BWV 1061: I. -
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.741
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.794
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.875
  additional property: Key Name
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    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLE422105604
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105604
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
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

Concerto for 2 Harpsichords in C Minor, BWV 1060: I. Allegro
type: MusicRecording
duration: PT5M2S
duration ms: 302546
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9462cad9770c829c2b3b92013b3c56c4670f4d87fc6ee1e7f8e77c3f08c1a5. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105610.
  date published: 2026-07-31T19:53:13Z
audio: Concerto for 2 Harpsichords in C Minor, BWV 1060: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 113.085
  additional property: Musical Key
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    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.268
  additional property: Key Name
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    value: B
  additional property: Mode Name
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isrc code: NLE422105610
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105610
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
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

Concerto for 2 Harpsichords in C Minor, BWV 1060: II Adagio
type: MusicRecording
duration: PT5M21S
duration ms: 321720
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf799c05024fd5a7364db2b5c180c6d5be737160bd4ecfc69362e8ece938b80e3. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105611.
  date published: 2026-07-31T02:51:48Z
audio: Concerto for 2 Harpsichords in C Minor, BWV 1060: II Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -26.354
  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
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isrc code: NLE422105611
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105611
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
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

Concerto for 2 Harpsichords in C Minor, BWV 1060: III. Allegro
type: MusicRecording
duration: PT3M18S
duration ms: 198400
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1968c126b48425db21d4cf9fe965a2c776aecb907c7359a17f4d52571c1f86a5. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422105612.
  date published: 2026-07-30T11:13:28Z
audio: Concerto for 2 Harpsichords in C Minor, BWV 1060: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: NLE422105612
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T11:13:28+00:00
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

Aure, voi più non siete, RV 652: II. Aria. Ti confido il pianto mio
type: MusicRecording
duration: PT4M26S
duration ms: 266348
explicit: false
by artist: Antonio Vivaldi
by artist: Arianna Vendittelli
by artist: Andrea Buccarella
by artist: Abchordis Ensemble
in album: Vivaldi, Cantate per soprano I
  type: MusicAlbum
  date published: 2021-11-12
isrc code: FRZ132104050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:05:44+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x35e13af034a4cf23bb9bd54d1f84a72b4d622d1a33e89904e8c971533998e3a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/FRZ132104050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e13af034a4cf23bb9bd54d1f84a72b4d622d1a33e89904e8c971533998e3a0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132104050.
  date published: 2026-07-08T03:22:41Z
audio: Aure, voi più non siete, RV 652: II. Aria. Ti confido il pianto mio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La farfalletta s'aggira al lume, RV 660: I. Aria. La farfalletta s’aggira al lume
type: MusicRecording
duration: PT4M26S
duration ms: 266092
explicit: false
by artist: Antonio Vivaldi
by artist: Arianna Vendittelli
by artist: Andrea Buccarella
by artist: Abchordis Ensemble
in album: Vivaldi, Cantate per soprano I
  type: MusicAlbum
  date published: 2021-11-12
isrc code: FRZ132104150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/FRZ132104150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4fdce18139555290fc11b5a69e7785a4b95990580402550a55bad47954634e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132104150.
  date published: 2026-07-08T08:56:20Z
audio: La farfalletta s'aggira al lume, RV 660: I. Aria. La farfalletta s’aggira al lume
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.858
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.572
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Allor che lo sguardo, RV 650: I. Aria. Allor che lo sguardo
type: MusicRecording
duration: PT5M22S
duration ms: 322362
explicit: false
by artist: Antonio Vivaldi
by artist: Arianna Vendittelli
by artist: Andrea Buccarella
by artist: Abchordis Ensemble
in album: Vivaldi, Cantate per soprano I
  type: MusicAlbum
  date published: 2021-11-12
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22017bad460f665d54e54830b35283f9a75b3603cf19e51d0b20c369f70af9cc. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132104010.
  date published: 2026-07-31T23:30:38Z
audio: Allor che lo sguardo, RV 650: I. Aria. Allor che lo sguardo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.896
  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: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.492
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ132104010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
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

Acousticness
type: PropertyValue
value: 0.871

Instrumentalness
type: PropertyValue
value: 0.825

Liveness
type: PropertyValue
value: 0.233

Valence (Positivity)
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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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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. 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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L'estro armonico. concerto No. 8 for 2 Violins in A Minor, Op. 3, RV 522: I. Allegro
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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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L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: II. Adagio e spiccato. Allegro
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A Sentimental Journey
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Corelli: Sonatas for Viola da Gamba & Continuo
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Cieco Amor - Opera Arias Written for Giuseppe Maria Boschi
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Amate Stelle: Arias for Anna Maria Strada
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L'aureo Serto
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Rinaldo, HWV 7a: Sibilar Gli Angui d’Aletto
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Toccata. From Claudio Merulo to Johann Sebastian Bach
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Vivaldi: "La dolce auretta" from Serenata a tre RV 690
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Allor che lo sguardo
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Stabat Mater - Italian Sacred Music from the 18th Century
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Bach Famous Pieces
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