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Violin Concerto in D Minor, WoO 1: III. Lebhaft, doch nicht schnell (Excerpt)
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Violin Sonata No. 1 in G Minor, BWV 1001: II. Fuga: Allegro
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Violin Partita No. 2 in D Minor, BWV 1004: IV. Giga
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Violin Sonata No. 1 in G Minor, BWV 1001: IV. Presto
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by artist: Ilya Kaler
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additional property: OTSVerifyInstructions
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  date published: 2026-07-06T06:56:49Z
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Violin Sonata No. 3 in C Major, BWV 1005: I. Adagio
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
audio: Violin Sonata No. 3 in C Major, BWV 1005: I. Adagio
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Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
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by artist: Russian Philharmonic Orchestra
by artist: Dmitry Yablonsky
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
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Sérénade mélancolique, Op. 26, TH 56: Serenade melancolique (Melancholy Serenade), Op. 26
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by artist: Russian Philharmonic Orchestra
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
audio: Sérénade mélancolique, Op. 26, TH 56: Serenade melancolique (Melancholy Serenade), Op. 26
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Violin Sonata No. 1 in G Major, Op. 78: Vivace ma non troppo
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by artist: Ilya Kaler
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genre: classical
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T13:32:09Z
audio: Violin Sonata No. 1 in G Major, Op. 78: Vivace ma non troppo
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Violin Sonata No. 1 in G Major, Op. 78: Adagio
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  date published: 2026-07-22T16:29:17Z
audio: Violin Sonata No. 1 in G Major, Op. 78: Adagio
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Violin Sonata No. 3 in D Minor, Op. 108: 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: 2026-06-13T15:41:10Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: Allegro
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Violin Sonata No. 3 in D Minor, Op. 108: Adagio
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by artist: Ilya Kaler
by artist: Alexander Peskanov
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genre: classical
genre: german-romanticism
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: Adagio
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Violin Sonata No. 3 in D Minor, Op. 108: Un poco presto e con sentimento
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explicit: false
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by artist: Ilya Kaler
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in album: Brahms: Violin Sonatas Nos. 1-3, Opp. 78, 100 and 108
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genre: classical
genre: german-romanticism
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T10:41:29Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: Un poco presto e con sentimento
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Violin Sonata No. 3 in D Minor, Op. 108: Presto agitato
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duration: PT5M56S
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explicit: false
by artist: Johannes Brahms
by artist: Ilya Kaler
by artist: Alexander Peskanov
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genre: classical
genre: german-romanticism
genre: late-romantic-era
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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
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  date published: 2026-07-22T12:33:25Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: Presto agitato
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Romanze in f-Moll, Op. 11, B. 39: Romance for Violin and Orchestra in F Minor, Op. 1
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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additional property: TokenDeploymentConfirmed
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  date published: 2026-06-13T15:41:10Z
audio: Romanze in f-Moll, Op. 11, B. 39: Romance for Violin and Orchestra in F Minor, Op. 1
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The Well-tempered Clavier, Book 1, Bwv 846-869: Prelude and Fugue No. 1 in C Major, Bwv 846
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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: 2026-07-08T03:53:27Z
audio: The Well-tempered Clavier, Book 1, Bwv 846-869: Prelude and Fugue No. 1 in C Major, Bwv 846
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Violin Sonata No. 3 in C Major, Bwv 1005: Iii. Largo
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Brandenburg Concerto No. 1 in F Major, Bwv 1046 (arr. E. Bindman for piano 4 hands): Ii. Adagio
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Concerto for 2 Violins in D Minor, Bwv 1043: Ii. Largo ma non tanto
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Cello Suite No. 1 in G Major, Bwv 1007: I. Prelude
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Peaceful Tchaikovsky
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track: Souvenir d'un lieu cher, Op. 42 (arr. A.k. Glazunov for violin and orchestra): Iii. Mélodie
track: 6 Romances, Op. 6 (arr. P. Nagy for piano): No. 6. None But the Lonely Heart

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12 Morceaux, Op. 40: No. 2. Chanson triste in G Minor
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Souvenir d'un lieu cher, Op. 42 (arr. A.k. Glazunov for violin and orchestra): Iii. Mélodie
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6 Romances, Op. 6 (arr. P. Nagy for piano): No. 6. None But the Lonely Heart
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Violin Concerto in D Major, Op. 35: Iii. Finale: Allegro vivacissimo
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Russian Masterworks (The Best of Russian Classical Music)
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My First Violin Album
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Thais, Act II: Meditation
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Bach to Work: Classical Music for Work or Study
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Tchaikovsky - 50 of the Best
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    date published: 2026-07-08T08:56:20Z
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    date published: 2026-07-08T08:56:20Z
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track: Brandenburg Concerto No. 4 in G Major, Bwv 1049: I. Allegro
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OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 3 in G Major, Bwv 1048: Iii. Allegro
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Brandenburg Concerto No. 4 in G Major, Bwv 1049: I. Allegro
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Keyboard Concerto in D Major, Bwv 1054: I. Allegro
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by artist: Robert Hill
by artist: Cologne Chamber Orchestra
by artist: Helmut Müller-Brühl
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genre: classical
genre: classical-piano
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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: Keyboard Concerto in D Major, Bwv 1054: I. Allegro
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The Essential J.S. Bach
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track: Herz und Mund und Tat und Leben, BWV 147: Chorale. Jesus bleibet meine Freude
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Herz und Mund und Tat und Leben, BWV 147: Chorale. Jesus bleibet meine Freude
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track: Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Romance
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track: Romance d'amour
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
  audio: Romance d'amour
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Classic Swoon
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  subject of: OpenTimestamps Proof of Existence
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track: Peer Gynt: Suite No. 2, Op. 55: IV. Solveigs sang (Solveig's Song)
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  subject of: OpenTimestamps Proof of Existence
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track: Jocelyn, Suite No. 2: Berceuse
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  subject of: OpenTimestamps Proof of Existence
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track: The Gadfly Suite, Op. 97a: VIII. Romance

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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15760934bc805625edf728a1862ddeb55107d8d98f60aadd0bcc01cc0eaefaee. 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/HKI199240804.
date published: 2026-07-08T08:56:20Z

Jocelyn, Suite No. 2: Berceuse
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The Gadfly Suite, Op. 97a: VIII. Romance
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by artist: Ukraine National Symphony Orchestra
by artist: Theodore Kuchar
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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: The Gadfly Suite, Op. 97a: VIII. Romance
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Classical for Reading
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Paganini (The Best Of)
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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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Classical for Cats
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Taneyev, S.I.: Suite De Concert / Ioann Damaskin (John of Damascus)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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J.S. Bach - The Early Years
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    date published: 2026-07-07T14:04:01Z
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    date published: 2025-04-25
  genre: classical
  genre: classical-piano
  isrc code: HKI199911316
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    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/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199911316
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0382242ac8182259c2398d357dab3278520f46cf8576c8bc4bda5aefa7c5f8dd. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/HKI199911316.
    date published: 2026-07-06T07:16:32Z
  audio: Air ("On a G String")
    type: AudioObject
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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
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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
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: I. Ouverture
  type: MusicRecording
  duration: PT6M18S
  duration ms: 378626
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Kolner Kammerorchester
  by artist: Helmut Müller-Brühl
  in album: J.S. Bach - The Early Years
    type: MusicAlbum
    date published: 2025-04-25
  genre: classical
  genre: classical-piano
  isrc code: HKI199911315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x80b28d9cf94aaa6cdcf246399346e5cf499474bb0f2691c604125b2c199081cb
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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: I. Ouverture
track: I. Allegro
track: I. Toccata
track: Fugue
track: Was mir behagt, ist nur die muntre Jagd, BWV 208, "Hunt Cantata": Aria. Schafe konnen sicher weiden
track: I. Adagio
track: III. Adagio e piano
track: Prelude in A Minor, BWV 942
track: Toccata
track: III. Allegro assai
track: VI. Menuet
track: V. Menuet I and II
track: I. Allemanda
track: Ii. Andante
track: I. Grave
track: III. Allegro

OTSHash
type: PropertyValue

OTSBitcoinBlock
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value: 957050

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957050

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199911315

OTSTimestamp
type: PropertyValue
value: 2026-07-07T14:41:13Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b28d9cf94aaa6cdcf246399346e5cf499474bb0f2691c604125b2c199081cb. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199911315.
date published: 2026-07-07T14:41:13Z

I. Ouverture
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.41
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
  value: 0.877
additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
  value: -19.206
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

I. Allegro
type: MusicRecording
duration: PT5M6S
duration ms: 306800
explicit: false
by artist: Johann Sebastian Bach
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199911108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  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/HKI199911108
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f42d14a093c37d49567a9dd8e5237fdf704d9a83a992aa444df60420eda019. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199911108.
  date published: 2026-07-08T03:20:19Z
audio: I. Allegro
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
    type: PropertyValue
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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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  additional property: Key Name
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  additional property: Mode Name
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I. Toccata
type: MusicRecording
duration: PT6M49S
duration ms: 409200
explicit: false
by artist: Johann Sebastian Bach
by artist: Wolfgang Rübsam
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199628007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199628007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28ab8663b85194a6e66a47c13f3ecdd7a5bc1bb270e0386982f2ef2d4e242db. 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/HKI199628007.
  date published: 2026-07-08T03:22:41Z
audio: I. Toccata
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
    type: PropertyValue
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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
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Fugue
type: MusicRecording
duration: PT5M40S
duration ms: 340226
explicit: false
by artist: Johann Sebastian Bach
by artist: Janos Sebestyen
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199279622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  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/HKI199279622
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89469c73532f25f2bfd0ccb8f6b274ac9ac4634980ae84e1394a269be86295f0. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279622.
  date published: 2026-07-08T03:20:19Z
audio: Fugue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.122
  additional property: Musical Key
    type: PropertyValue
    value: 2
  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
    type: PropertyValue
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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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Was mir behagt, ist nur die muntre Jagd, BWV 208, "Hunt Cantata": Aria. Schafe konnen sicher weiden
type: MusicRecording
duration: PT3M41S
duration ms: 221960
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199207514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199207514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fe4eabd25b0dfd5ad73b7f339bb92a582b275c2205fc282acb17857dd17591. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI199207514.
  date published: 2026-07-08T03:53:27Z
audio: Was mir behagt, ist nur die muntre Jagd, BWV 208, "Hunt Cantata": Aria. Schafe konnen sicher weiden
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  additional property: Mode (Major/Minor)
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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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I. Adagio
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duration: PT4M35S
duration ms: 275306
explicit: false
by artist: Johann Sebastian Bach
by artist: Ilya Kaler
in album: J.S. Bach - The Early Years
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  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI190782101
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32bbb58792c8663030cce3d89cab3885ca3741c2f1293dcd5f88f3ecf64eba3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI190782101.
  date published: 2026-07-08T03:53:27Z
audio: I. Adagio
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III. Adagio e piano
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duration: PT1M55S
duration ms: 115106
explicit: false
by artist: Johann Sebastian Bach
by artist: Petri Alanko
by artist: Hanna Juutilainen
by artist: Anssi Mattila
in album: J.S. Bach - The Early Years
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  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199608717
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b94df7f6962cdfccfa1ae6393dfd9a32048c43ef430db54929d8f60304833b0. 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/HKI199608717.
  date published: 2026-07-08T03:22:41Z
audio: III. Adagio e piano
  type: AudioObject
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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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    type: PropertyValue
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Prelude in A Minor, BWV 942
type: MusicRecording
duration: PT0M43S
duration ms: 43373
explicit: false
by artist: Johann Sebastian Bach
by artist: Janos Sebestyen
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199279617
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bec0a4a4f81e9dc6e5f048eae088992e800af0f1d3153c54627d8049aa35896. 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/HKI199279617.
  date published: 2026-07-08T08:56:20Z
audio: Prelude in A Minor, BWV 942
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  additional property: Time Signature
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    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.436
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
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    value: 0.102
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Toccata
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duration: PT2M59S
duration ms: 179546
explicit: false
by artist: Johann Sebastian Bach
by artist: Wolfgang Rübsam
in album: J.S. Bach - The Early Years
  type: MusicAlbum
  date published: 2025-04-25
genre: classical
genre: classical-piano
isrc code: HKI199628001
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347c8b216520212d8b55a2b02cfcecca6cc7d51c51274e3aa1f5924beb00fdd1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199628001.
  date published: 2026-07-08T03:20:19Z
audio: Toccata
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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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III. Allegro assai
type: MusicRecording
duration: PT2M44S
duration ms: 164106
explicit: false
by artist: Johann Sebastian Bach
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach - The Early Years
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  date published: 2025-04-25
genre: classical
genre: classical-piano
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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: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: III. Allegro assai
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VI. Menuet
type: MusicRecording
duration: PT1M20S
duration ms: 80000
explicit: false
by artist: Johann Sebastian Bach
by artist: Karl Kaiser
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach - The Early Years
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  date published: 2025-04-25
genre: classical
genre: classical-piano
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additional property: CopyrightID
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: VI. Menuet
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I. Allegro
type: MusicRecording
duration: PT3M21S
duration ms: 201133
explicit: false
by artist: Johann Sebastian Bach
by artist: Kolja Blacher
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach - The Early Years
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  date published: 2025-04-25
genre: classical
genre: classical-piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: I. Allegro
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  additional property: Energy
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  additional property: Acousticness
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V. Menuet I and II
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duration ms: 256306
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by artist: Wolfgang Rübsam
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genre: classical
genre: classical-piano
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additional property: CopyrightRegisteredAt
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: V. Menuet I and II
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I. Allemanda
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duration ms: 307186
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by artist: Ilya Kaler
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genre: classical
genre: classical-piano
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I. Grave
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The Essential Ilya Kaler
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Mendelssohn: Violin Concerto in E Minor, Op. 64 - Double Concerto in D Minor, MWV O 4 - Capriccio Brillant in B Minor, Op. 22, MWV O 8
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Dvořák: Piano Trios, Vol. 2 – Nos. 1 & 2
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Dvořák: Piano Trios Nos. 3 & 4, "Dumky", Vol. 1
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Brahms, J. / Schumann, R.: Violin Concertos
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Bach, J.S.: Sonatas and Partitas for Solo Violin, Bwv 1001-1006
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date published: 2026-07-08T03:20:19Z

Violin Sonata No. 1 in G Minor, BWV 1001: III. Siciliana
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Violin Partita No. 1 in B Minor, BWV 1002: I. Allemanda
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Violin Partita No. 1 in B Minor, BWV 1002: II. Double
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
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Violin Partita No. 1 in B Minor, BWV 1002: IV. Double: Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Violin Partita No. 1 in B Minor, BWV 1002: IV. Double: Presto
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Violin Sonata No. 3 in C Major, BWV 1005: III. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata No. 3 in C Major, BWV 1005: III. Largo
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Violin Partita No. 1 in B Minor, BWV 1002: V. Sarabande
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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 Partita No. 1 in B Minor, BWV 1002: VI. Double
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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 Partita No. 1 in B Minor, BWV 1002: VII. Tempo di Borea
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Partita No. 1 in B Minor, BWV 1002: VII. Tempo di Borea
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Violin Sonata No. 2 in A Minor, BWV 1003: I. Grave
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subject of: OpenTimestamps Proof of Existence
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Violin Partita No. 3 in E Major, BWV 1006: IV. Menuet I and II
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Violin Partita No. 3 in E Major, BWV 1006: IV. Menuet I and II
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Violin Partita No. 3 in E Major, BWV 1006: V. Bourree
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Violin Partita No. 3 in E Major, BWV 1006: V. Bourree
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Violin Sonata No. 2 in A Minor, BWV 1003: III. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Sonata No. 2 in A Minor, BWV 1003: III. Andante
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Violin Partita No. 3 in E Major, BWV 1006: VI. Gigue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Violin Partita No. 3 in E Major, BWV 1006: VI. Gigue
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Szymanowski: Violin Concertos Nos. 1 and 2 / Nocturne and Tarantella
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Tchaikovsky: Violin Concerto - Souvenir d'un lieu cher
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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    date published: 2026-07-06T07:53:57Z
  audio: Violin Concerto in D Major, Op. 35, TH 59: III. Finale. Allegro vivacissimo
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track: Sérénade mélancolique, Op. 26, TH 56: Serenade melancolique (Melancholy Serenade), Op. 26
track: Souvenir d'un lieu cher, Op. 42: I. Meditation (Arr. A.K. Glazunov for violin and orchestra)
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  audio: Souvenir d'un lieu cher, Op. 42: I. Meditation (Arr. A.K. Glazunov for violin and orchestra)
track: Souvenir d'un lieu cher, Op. 42: II. Scherzo (Arr. A.K. Glazunov for violin and orchestra)
track: Souvenir d'un lieu cher, Op. 42: III. Melodie (Arr. A.K. Glazunov for violin and orchestra)
track: Valse-Scherzo, Op. 34

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T14:41:13Z

Souvenir d'un lieu cher, Op. 42: I. Meditation (Arr. A.K. Glazunov for violin and orchestra)
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Souvenir d'un lieu cher, Op. 42: II. Scherzo (Arr. A.K. Glazunov for violin and orchestra)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
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Souvenir d'un lieu cher, Op. 42: III. Melodie (Arr. A.K. Glazunov for violin and orchestra)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Souvenir d'un lieu cher, Op. 42: III. Melodie (Arr. A.K. Glazunov for violin and orchestra)
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Valse-Scherzo, Op. 34
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Valse-Scherzo, Op. 34
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Ysaye, E.: Violin Solo Sonatas, Op. 27
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    date published: 2026-07-08T03:22:41Z
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Shostakovich: Violin Concertos Nos. 1 and 2
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Brahms: Double Concerto / Schumann: Cello Concerto in A Minor
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Schumann: Violin Sonatas Nos. 1 & 2
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Paganini: Violin Concertos Nos. 1 And 2
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Paganini: Violin Concertos Nos. 1 & 2
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Paganini: 24 Caprices, Op. 1
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Karlowicz: Serenade - Violin Concerto
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Violin Concerto in A Major, Op. 8: I. Allegro moderato
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Dvořák: The Complete Published Orchestral Works
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Jewish String Quartets
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Kol Nidre
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Glazunov: Violin Concerto in A Minor / The Seasons
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