1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1527a666af1124a63f809a2a70f03d7dfbff777f9e01c1f63e1322affd82a7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03849a11-3e6b-45a0-a75e-d4513c6b7dad.json and https://artists.proofprofile.net/proofs/artist/03849a11-3e6b-45a0-a75e-d4513c6b7dad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 29 in A Major, K. 201: I. Allegro moderato - Live in St. Petersburg
Symphony No. 29 in A Major, K. 201: II. Andante - Live in St. Petersburg
Symphony No. 29 in A Major, K. 201: III. Menuetto - Live in St. Petersburg
Symphony No. 29 in A Major, K. 201: VI. Allegretto con spirito - Live in St. Petersburg
Suite for Strings: I. Moderato - Live in St. Petersburg
Suite for Strings: II. Adagio - Live in St. Petersburg
Suite for Strings: III. Andante con moto - Live in St. Petersburg
Suite for Strings: IV. Presto - Live in St. Petersburg
Suite for Strings: V. Adagio - Live in St. Petersburg
Suite for Strings: VI. Andante - Live in St. Petersburg
Concerto in D Major: I. Vivace - Live in St. Petersburg
Concerto in D Major: II. Arioso - Live in St. Petersburg
Concerto in D Major: III. Rondo - Live in St. Petersburg
Walz No. 5 in G Minor, Op. 39 - Live in St. Petersburg
Walz No. 17 in A Minor, Op. 39 - Live in St. Petersburg
Prelude in F-Flat Minor, Op. 87 No. 8 - Live in St. Petersburg
Dimitri Ferschtman, 25 jaar live, Dutch Radio Orchestra
Concerto for Cello and Orchestra op. 129, Nicht zu schnell - Langsam-etwas lebhafter-schneller - Sehr lebhaft
Concerto for cello and orchestra op. 66, I Lento ma non troppo-Andante
Concerto for cello and orchestra op. 66, II Allegro vivace-andante espressivo
Concerto for Violoncello No. 1, I Nonchalant
Sinfonia concertante op. 125, II Allegro giusto
Concerto for Violoncello No. 1, II Grave
Concerto for Violoncello No. 1, III Joyeux
Sinfonia concertante op. 125, III Andante con moto
Violin Concertos - Wind Concertos Part: 1
Clarinet Concerto In A Major KV 622: Allegro
Clarinet Concerto In A Major KV 622: Adagio
Clarinet Concerto In A Major KV 622: Rondo, Allegro
Concerto For Flute, Harp and Orchestra In C Major KV 299: Allegro
Concerto For Flute, Harp and Orchestra In C Major KV 299: andantino
Concerto For Flute, Harp and Orchestra In C Major KV 299: Rondeau, Allegro
Concerto Grosso in E Minor Op. 6, No. 3: I. Larghetto
Concerto Grosso in E Minor Op. 6, No. 3: II. Andante
Concerto Grosso in E Minor Op. 6, No. 3: III. Allegro
Concerto Grosso in E Minor Op. 6, No. 3: IV. Polonaise: Andante
Divertimento for String Quartet "Salzburg Symphony No.3" in F Major, K. 138: I. Allegro
Divertimento for String Quartet "Salzburg Symphony No.3" in F Major, K. 138: II. Andante
Divertimento for String Quartet "Salzburg Symphony No.3" in F Major, K. 138: III. Presto
Hadyn Concerto for Violoncello and Orchestra No. 1
Cello Concerto No. 1 in C Major, Hob. VIIb:1: I. Moderato - Cadenza
Cello Concerto No. 1 in C Major, Hob. VIIb:1: II. Adagio - Cadenza
Cello Concerto No. 1 in C Major, Hob. VIIb:1: III. Allegro molto
Cello Concerto No. 1 in C Major: I. Moderato
Cello Concerto No. 1 in C Major: II. Adagio
Cello Concerto No. 1 in C Major: III. Allegro molto
Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
The 99 Most Essential Classics of the Romantic Era
String Quartet No. 11 in F Minor, Op. 95: IV. Larghetto espressivo - Allegro agitato
Pettersson: Symphony No. 5 - Viola Concerto
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: VI. Tema con variazioni
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: I. Largo. Allegro molto
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: VII. Finale. Allegro molto
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: IV. Menuetto. Allegro
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: V. Romance. Adagio
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: II. Menuetto
Serenade No. 10 in B Major, K. 361: Serenade No. 10 in B Major, K. 361: III. Adagio
Keyboard Concerto in F Minor, BWV 1056: I. Allegro moderato
Russian Piano School: Dmitri Bashkirov (1965-1976)
Keyboard Concerto in F Minor, BWV 1056: II. Largo
Keyboard Concerto in F Minor, BWV 1056: III. Presto
Mass No. 16 in C Major, K. 317, 'Coronation': I. Agnus Dei
Mass No. 16 in C Major, K. 317, 'Coronation': II. Benedictus
Mass No. 16 in C Major, K. 317, 'Coronation': III. Credo
Mass No. 16 in C Major, K. 317, 'Coronation': IV. Gloria
Mass No. 16 in C Major, K. 317, 'Coronation': V. Kyrie
Mass No. 16 in C Major, K. 317, 'Coronation': VI. Sanctus
Serenade No. 10 for Winds in B Flat Major "Gran Partita", K. 361 (K. 370a): III. Adagio