1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
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Saint-Saëns: Works for Violin & Orchestra
Saint-Saëns: Works for Cello & Orchestra
Cello Concerto No. 2 in D Minor, Op. 119: II. Allegro non troppo - Cadenza - Molto allegro
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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Brahms: Violin Concerto, Op. 77 & Double Concerto, Op. 102
Violin Concerto in D Major, Op. 77: III. Allegro giocoso, ma non troppo vivace
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Double Concerto in A Minor, Op. 102: II. Andante
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Double Concerto in A Minor, Op. 102: I. Allegro
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1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Double Concerto in A Minor, Op. 102: III. Vivace non troppo
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Mendelssohn & Penderecki: Sextets (Live)
The Essential ORF Vienna Radio Symphony Orchestra
Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
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Cello Concerto in E Minor, Op. 85: III. Adagio
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Schumann: Cello Concerto and Works for Cello & Piano
10 Chorale Preludes, BV B 27 (Excerpts): No. 2, Wachet auf, ruft uns die Stimme [After J.S. Bach's BWV 645]
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Rhapsody on a Theme of Paganini (Arr. F. Kreisler for violin and piano)
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Carnival of the Animals, R. 125: XIII. The Swan (Arr. P. Vidal for Cello & Orchestra)
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Consolations, S. 172 "6 Pensées poétiques": No. 3, Lento placido
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Pavane, Op. 50 (Arr. H. Busser for Piano Trio)
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Suite bergamasque, L. 75: III. Clair de lune (Featured in "Man on Fire")
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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6 Klavierstücke, Op. 118: No. 2, Intermezzo in A Major. Andante teneramente
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III. Nicht schnell (Re-Orchestrated by G. Mahler)
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Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
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3 Visions: No. 2, Summerland (Version for Violin & Orchestra)
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Suite Veneziana in A Minor, Op. 18: II. Barcarola
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For Children, Vol. 1, Sz. 42 (Excerpts): No. 26, Dance with Me. Andante [Transcr. F. Ránki] [1945 Radio Version]
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Partita No. 7 in C Major (Arr. G. Buscemi for Guitar): II. Andante
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Harp Quintet in C Minor, AV 24: II. Adagio
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Orchestral Suite No. 4, Op. 61, TH 34 "Mozartiana": III. Preghiera
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5 Lieder, Op. 49: No. 4, Wiegenlied (Arr. K.H. Schütz for Flute & Piano)
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Symphony in A Major, Op. 16 No. 2: II. Adagio
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Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano (Arr. D. Sosin for flute and harp)
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Scenes from Childhood, Op. 15: VII. Träumerei
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6 Bagatelles, Op. 126: No. 5 in G Major: Quasi allegretto
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Chefs d'oeuvre de la musique classique française
Cinderella, Op. 87, Act II: Waltz-Coda (arr. M. Rostropovich)
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The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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2 Dialogues with Postscript (Version for Piano & String Orchestra): No. 3, Morning Serenade
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Andersen Fairy Tales Suite: I. The Rose-Tree
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Le bourgeois gentilhomme: Chaconne des Scaramouches, Frivelins et Arlequins
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Sea-Murmurs (Arr. J. Heifetz for Cello & Piano)
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Leaves from a Child's Sketchbook: In the Meadows
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4 Short Pieces for Violin & Piano, H. 104: No. 2, Spring Song (Version for Cello & Piano)
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Lyric Pieces, Book 1, Op. 12: No. 1, Arietta
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Orphée et Eurydice, Act II, Scene 2: Ballo
The Drottningholm Court Theatre Orchestra
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Carnival of the Animals, R. 125: XIII. The Swan
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3 Romanzen, Op. 22: No. 1, Andante molto (Arr. For cello and piano)
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2 Pieces for Strings from Henry V: No. 2, Touch Her Soft Lips and Part
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The Macau Bride Ballet Suite, Op. 34: IV. The First Glance
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Triakontameron: No. 11, Alt-Wien (Arr. J. Heifetz for Violin & Piano)
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Valses poéticos: No. 3, Tempo de Vals lento (Arr. P. Breiner for guitar and orchestra)
Polish National Radio Symphony Orchestra
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Chanson de nuit et Chanson de matin, Op. 15: No. 2, Chanson de matin
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Petite suite de concert, Op. 77: III. Un Sonnet d'Amour
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The Mermaid Ballet Suite: III. Waterweed (Version for piano)
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Orquesta Juvenil Universitaria Eduardo Mata
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3 Latin American Sketches: No. 2, Paisaje Mexicano
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5 Stücke im Volkston, Op. 102: No. 2, Langsam
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Prokofiev, Shostakovich & Kissin: Works for Cello & Piano
Beethoven: Complete Works for Cello & Piano, Vol. 2
Cello Sonata No. 3 in A Major, Op. 69: II. Scherzo. Allegro molto
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12 Variations on Handel's "See the Conqu'ring Hero Comes", WoO 45: Var. 11, Adagio
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Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto
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12 Variations on Handel's "See the Conqu'ring Hero Comes", WoO 45: Theme. Allegretto
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Beethoven: Complete Works for Cello & Piano, Vol. 1
12 Variations on "Ein Mädchen oder Weibchen", Op. 66: Var. 12, Allegro
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7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Var. 2
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7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Var. 4
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7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Var. 6, Adagio
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12 Variations on "Ein Mädchen oder Weibchen", Op. 66: Var. 2
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Cello Sonata No. 1 in F Major, Op. 5 No. 1: I. Adagio sostenuto - II. Allegro
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12 Variations on "Ein Mädchen oder Weibchen", Op. 66: Var. 4
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7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Var. 1
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7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Var. 7, Allegro ma non troppo
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Cello Sonata in C-Sharp Minor, Op. 134: I. Andante (Completed by V. Blok)
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The Nutcracker, Op. 71, TH 14, Act II: Waltz of the Flowers
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