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  track: 14 Romances, Op. 34: No. 14, Vocalise (Arr. for Cello and Piano)
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Nocturne No. 2 in E-Flat Major, Op. 9
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Spring Classical Music
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Contemporary Piano Music
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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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  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: I Will Wait for You (Arr. for Piano by Christina Grigoryants)
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Motivational Classical Music
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: The Nutcracker Suite, Op. 71a (Arr. for Piano): I. Tempo di marcia viva
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  subject of: OpenTimestamps Proof of Existence
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track: 5 Morceaux de fantaisie, Op. 3: No. 1, Elégie

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

The Nutcracker Suite, Op. 71a (Arr. for Piano): I. Tempo di marcia viva
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5 Morceaux de fantaisie, Op. 3: No. 1, Elégie
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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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Classical Music Inspired by Emotions
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비오는날 바흐
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    date published: 2026-06-13T13:32:09Z
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track: Préludes, Livre 1, L. 117: No. 4, Les sons et les parfums tournent dans l'air du soir
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The Four Seasons, Op. 8, Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto (Arr. for 2 Violins and Piano)
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Thaïs: Meditation (Arr. for Violin and Piano)
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Préludes, Livre 1, L. 117: No. 4, Les sons et les parfums tournent dans l'air du soir
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Nocturnes, Op. 9: No. 2 in E-Flat Major
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Orphée et Eurydice, Wq. 41: Mélodie (Transcr. for Violin and Piano by Fritz Kreisler)
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Goldberg Variations, BWV 988: Aria
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Salut d'amour, Op. 12
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14 Romances, Op. 34: No. 14, Vocalise (Transcr. for Piano by Vyacheslav Gryaznov)
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Thaïs: Meditation (Arr. for Violin and Piano)
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subject of: OpenTimestamps Proof of Existence
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Orphée et Eurydice, Wq. 41: Mélodie (Transcr. for Violin and Piano by Fritz Kreisler)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Orphée et Eurydice, Wq. 41: Mélodie (Transcr. for Violin and Piano by Fritz Kreisler)
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Boléro (Arr. for 2 Violins and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Boléro (Arr. for 2 Violins and Piano)
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Melody in A Minor (From "The High Pass")
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Melody in A Minor (From "The High Pass")
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Trois mélodies, Op. 7: I. Après un rêve
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Trois mélodies, Op. 7: I. Après un rêve
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5 Lieder, Op. 49: No. 4, Wiegenlied. Zart bewegt (Arr. for Violin and Piano by Arthur Walter Kramer)
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  date published: 2026-07-08T03:22:41Z
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Salut d'amour, Op. 12
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  date published: 2026-07-08T03:22:41Z
audio: Salut d'amour, Op. 12
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Romance in E-Flat Major for Piano and Viola
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Romance in E-Flat Major for Piano and Viola
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Beau soir, L. 6 (Arr. for Cello and Piano by Aleksandr Grechaninov)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Siciliano (Second movement from Flute Sonata in E-Flat Major, BWV 1031)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Siciliano (Second movement from Flute Sonata in E-Flat Major, BWV 1031)
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3 Old Viennese Dances, IFK 22: No. 2, Liebesleid
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: 3 Old Viennese Dances, IFK 22: No. 2, Liebesleid
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Cello Sonata in G Minor, Op. 19: III. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in G Minor, Op. 19: III. Andante
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String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro
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Jalousie (Arr. for 2 Violins and Piano)
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subject of: OpenTimestamps Proof of Existence
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audio: Jalousie (Arr. for 2 Violins and Piano)
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Violin Music
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Cello and Violin Music
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The Best of Violin Classical Music
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Five Preludes and Fugue: IV. Prelude in E Minor
track: Sonnet in E-Flat Major
track: Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
track: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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track: Minuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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track: Rhapsody on a Theme of Paganini, Op. 43: Variation No. 18. Andante cantabile (Transcr. for Piano Solo by Michael R. Loveridge)
track: The Man I Love (Arr. for Piano by Christina Grigoryants)
track: Suite Bergamasque, L. 75: Clair de Lune

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OpenTimestamps Proof of Existence
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date published: 2026-06-13T17:25:41Z

Beyond
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Five Preludes and Fugue: IV. Prelude in E Minor
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Five Preludes and Fugue: IV. Prelude in E Minor
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Sonnet in E-Flat Major
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Sonnet in E-Flat Major
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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subject of: OpenTimestamps Proof of Existence
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audio: Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Hope
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Hope
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Minuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Minuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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Emily
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subject of: OpenTimestamps Proof of Existence
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audio: Emily
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Rhapsody on a Theme of Paganini, Op. 43: Variation No. 18. Andante cantabile (Transcr. for Piano Solo by Michael R. Loveridge)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Rhapsody on a Theme of Paganini, Op. 43: Variation No. 18. Andante cantabile (Transcr. for Piano Solo by Michael R. Loveridge)
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The Man I Love (Arr. for Piano by Christina Grigoryants)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Man I Love (Arr. for Piano by Christina Grigoryants)
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Suite Bergamasque, L. 75: Clair de Lune
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by artist: Katya Kramer-Lapin
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subject of: OpenTimestamps Proof of Existence
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audio: Suite Bergamasque, L. 75: Clair de Lune
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Peaceful Piano Music
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Unforgettable Classical Music
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Jazz Piano
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date published: 2024-10-18

The Essentials: Classical Crossover
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    date published: 2026-07-02T05:09:12Z
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subject of: OpenTimestamps Proof of Existence
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (Arr. for 2 Pianos)
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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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Piano Sonata No. 16 in C Major, K. 545 "Sonata semplice": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Piano Sonata No. 16 in C Major, K. 545 "Sonata semplice": I. Allegro
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3 Intermezzi, Op. 117: No. 1 in E-Flat Major
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subject of: OpenTimestamps Proof of Existence
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audio: 3 Intermezzi, Op. 117: No. 1 in E-Flat Major
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Piano Sonata No. 30 in E Major, Op. 109: I. Vivace, ma non troppo. Sempre legato
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  date published: 2026-07-08T03:22:41Z
audio: Piano Sonata No. 30 in E Major, Op. 109: I. Vivace, ma non troppo. Sempre legato
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Sonata No. 10 in C Major, K. 330: I. Allegro moderato
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audio: Sonata No. 10 in C Major, K. 330: I. Allegro moderato
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Piano Sonata No. 15 in D Major, Op. 28 "Pastoral": I. Allegro
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Piano Sonata No. 3 in C Major, Op. 2 No. 3: I. Allegro con brio
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Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo
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10 Preludes, Op. 23: No. 4 in D Major
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Piano Sonata No. 16 in C Major, K. 545 "Sonata semplice": I. Allegro
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    date published: 2026-07-08T08:56:20Z
  audio: What Are You Doing the Rest of Your Life (Arr. for Piano by Christina Grigoryants)
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  audio: How Insensitive (Arr. for Piano by Christina Grigoryants)
track: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
track: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (Arr. for 2 Pianos)
track: 12 Romances, Op. 21: No. 7, How Fair this Spot (Transcr. for Piano by Vyacheslav Gryaznov)
track: Lullaby of Birdland (Arr. for Piano by Christina Grigoryants)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

How Insensitive (Arr. for Piano by Christina Grigoryants)
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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by artist: Katya Kramer-Lapin
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (Arr. for 2 Pianos)
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by artist: Vyacheslav Gryaznov
by artist: Katya Kramer-Lapin
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (Arr. for 2 Pianos)
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12 Romances, Op. 21: No. 7, How Fair this Spot (Transcr. for Piano by Vyacheslav Gryaznov)
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subject of: OpenTimestamps Proof of Existence
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audio: 12 Romances, Op. 21: No. 7, How Fair this Spot (Transcr. for Piano by Vyacheslav Gryaznov)
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Lullaby of Birdland (Arr. for Piano by Christina Grigoryants)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Lullaby of Birdland (Arr. for Piano by Christina Grigoryants)
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Rachmaninoff, Tchaikovsky, Glinka: Famous Classical Music
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track: The Nutcracker Suite, Op. 71a (Arr. for Piano): II. Dance of the Sugar Plum Fairy: Andante ma non troppo
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    date published: 2026-07-02T05:09:12Z
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track: The Nutcracker Suite, Op. 71a (Arr. for Piano): I. Tempo di marcia viva
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: The Nutcracker Suite, Op. 71a (Arr. for Piano): I. Tempo di marcia viva
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: The New Life
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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  subject of: OpenTimestamps Proof of Existence
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track: Romance in E-Flat Major for Piano and Viola
track: Menuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
track: When the Stars Are Shining
track: Hope
track: Passing Through the Memories
track: Carol of the Bells (Transcr. for Orchestra by Sergey Bryukhno)
track: A Summer Rain
track: Minuet II (From Violin Partita No. 3 in E Major, BWV 1006)
track: Peace
track: Dreamy Piano
track: The Man I Love (Arr. for Piano by Christina Grigoryants)
track: Symphony No. 2, Op. 27 (Arr. for Piano by Georgy Kirkor): III. Adagio [Excerpt]
track: Columbia, Op. 34 "Caprice américain"

OTSVerificationAPI
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OTSTimestamp
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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 0xf1362dc1e89edcd788503b3096f03b516fc2de70f88166a7f38d06de51d84b56. 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/EEVR32300011.
date published: 2026-07-08T03:53:27Z

Sonnet in C Major
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Romance in E-Flat Major for Piano and Viola
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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: Romance in E-Flat Major for Piano and Viola
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Menuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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by artist: Katya Kramer-Lapin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Menuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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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: When the Stars Are Shining
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Hope
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by artist: Sergey Bryukhno
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEVR32200001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T02:27:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219
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/EEVR32200001
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219. 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/EEVR32200001.
  date published: 2026-07-08T03:20:19Z
audio: Hope
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.546
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
    type: PropertyValue
    value: 0.002
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.426
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.879
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Passing Through the Memories
type: MusicRecording
duration: PT1M37S
duration ms: 97587
explicit: false
by artist: Sergey Bryukhno
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEVR32300009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75cb2cefde68850f607f997a823c6bc47725a273b4d526c4fe3b97ec6aaa7e84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
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/EEVR32300009
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 0x75cb2cefde68850f607f997a823c6bc47725a273b4d526c4fe3b97ec6aaa7e84. 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/EEVR32300009.
  date published: 2026-07-08T03:22:41Z
audio: Passing Through the Memories
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.093
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.344
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.974
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Carol of the Bells (Transcr. for Orchestra by Sergey Bryukhno)
type: MusicRecording
duration: PT1M12S
duration ms: 72359
explicit: false
by artist: Mykola Leontovych
by artist: Sergey Bryukhno
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEVR32200061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:11:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab
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/EEVR32200061
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab. 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/EEVR32200061.
  date published: 2026-07-08T03:20:19Z
audio: Carol of the Bells (Transcr. for Orchestra by Sergey Bryukhno)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.688
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.395
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.754
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.792
  additional property: Liveness
    type: PropertyValue
    value: 0.216
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.465
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

A Summer Rain
type: MusicRecording
duration: PT1M6S
duration ms: 66662
explicit: false
by artist: Polina Nazaykinskaya
by artist: Konstantin Soukhovetski
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: LVL152003353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T06:59:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec07e58ad43af95817e3f4a304fcc5f615779122220a9509b544140f852155b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
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/LVL152003353
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 0xec07e58ad43af95817e3f4a304fcc5f615779122220a9509b544140f852155b0. 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/LVL152003353.
  date published: 2026-07-08T03:22:41Z
audio: A Summer Rain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.812
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.29
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.126
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Minuet II (From Violin Partita No. 3 in E Major, BWV 1006)
type: MusicRecording
duration: PT1M19S
duration ms: 79136
explicit: false
by artist: Johann Sebastian Bach
by artist: Katya Kramer-Lapin
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
genre: classical
genre: classical-piano
isrc code: EEUV32300120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:56:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e4aa4b7b0789a98018426f36fdfcb7ce8ce80c71bfedb962a331a6fbba4db1e
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/EEUV32300120
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e4aa4b7b0789a98018426f36fdfcb7ce8ce80c71bfedb962a331a6fbba4db1e. 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/EEUV32300120.
  date published: 2026-07-08T03:20:19Z
audio: Minuet II (From Violin Partita No. 3 in E Major, BWV 1006)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.326
  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: 0.427
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.599
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Peace
type: MusicRecording
duration: PT2M4S
duration ms: 124615
explicit: false
by artist: Sergey Bryukhno
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEVR32200004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:04:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcbe1dde0cd94691917fe94ffbcedb60c9d0232c1f25913da8db9125482a6bf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
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/EEVR32200004
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbe1dde0cd94691917fe94ffbcedb60c9d0232c1f25913da8db9125482a6bf7. 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/EEVR32200004.
  date published: 2026-07-08T03:53:27Z
audio: Peace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.691
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.709
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dreamy Piano
type: MusicRecording
duration: PT0M55S
duration ms: 55339
explicit: false
by artist: Sergey Bryukhno
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEVR32300007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T11:11:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21610fdba203d8edaad783e84a38feb8f6cbd7ec29a85964513d5a0ac19040a4
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/EEVR32300007
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21610fdba203d8edaad783e84a38feb8f6cbd7ec29a85964513d5a0ac19040a4. 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/EEVR32300007.
  date published: 2026-07-08T03:20:19Z
audio: Dreamy Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.377
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.481
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.086
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.546
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.21
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Man I Love (Arr. for Piano by Christina Grigoryants)
type: MusicRecording
duration: PT4M42S
duration ms: 282410
explicit: false
by artist: George Gershwin
by artist: Christina Grigoryants
in album: Happy Instrumental Music
  type: MusicAlbum
  date published: 2023-12-22
isrc code: EEUV32200062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:55:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4d6e3276f8a5de3773758e7a8738fee64a70f4e0f024683609965969cf434ea
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/EEUV32200062
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 2, Op. 27 (Arr. for Piano by Georgy Kirkor): III. Adagio [Excerpt]
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Columbia, Op. 34 "Caprice américain"
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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: Columbia, Op. 34 "Caprice américain"
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Modern Classical Music
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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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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Études for Solo Piano, Book 2: Étude No. 15
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Goldberg Variations, BWV 988: Var. 1
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Petite Suite, L. 65: No. 1, En bateau (Transcr. for Violin and Piano by Gaston Choisnel)
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Nocturnes, Op. 9: No. 2 in E-Flat Major
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie (Arr. for Flute and Harpsichord)
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The Four Seasons, Op. 8, Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto (Arr. for 2 Violins and Piano)
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Piano Sonata No. 16 in C Major, K. 545 "Sonata semplice": I. Allegro
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Adagio in G Minor for Strings and Organ "Albinoni's Adagio" (Arr. for Violin and Piano)
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Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesu, Joy of Man's Desiring (Arr. for Piano by Myra Hess)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. for Piano)
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Préludes, Livre 1, L. 117: No. 4, Les sons et les parfums tournent dans l'air du soir
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Relaxing Classical Piano
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