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 0x86786829536cc90d75a722d8ec847b886910befb52ad1a5ff2cf2b116329575d. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5e85f616-e18d-444c-8387-3bf302251770.json and https://artists.proofprofile.net/proofs/artist/5e85f616-e18d-444c-8387-3bf302251770.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tschaikowsky: Souvenir de Florence - Valse Carprice - Sinfonie No. 1
Souvenir de Florence für Orchester in D Minor, Op. 70: I. Allegro con spirito
Souvenir de Florence für Orchester in D Minor, Op. 70: II. Adagio cantabile e con moto
Souvenir de Florence für Orchester in D Minor, Op. 70: III. Allegretto moderato
Sextett for Streicher in D Minor, Op. 70 (Souvenir de Florence): I. Adagio cantabile e con moto
Souvenir de Florence für Orchester in D Minor, Op. 70: IV. Allegro vivace
Valse Caprice für Violine und Klavier in C Major, Op. 4
Sextett for Streicher in D Minor, Op. 70 (Souvenir de Florence): III. Allegro con spirito
Sinfonie No. 1 für Orchester in G Minor, Op. 13: IV. Finale. Andante - Allegro vivo
Tschaikowsky: Capriccio Italien, Streichserenade, Vol. 3
Capriccio Italien für Streichorchester, Op. 45
Serenade für Streichorchester in C Major, Op. 48: No. 1, Pezzo in forma di Sonadina
Serenade für Streichorchester in C Major, Op. 48: No. 2, Walzer
Serenade für Streichorchester in C Major, Op. 48: No. 3, Elegia - Larghetto
Serenade für Streichorchester in C Major, Op. 48: No. 4, Finale. Andante - Allegro
J.S. Bach: Violin Sonatas & Partitas BWV 1001-1006
Violin Sonata No. 1, Op. 78: I. Vivace ma non troppo
Violin Sonata No. 1, Op. 78: III. Allegro molto moderato
Violin Sonata No. 2, Op. 100: I. Allegro amabile
Violin Sonata No. 2, Op. 100: II. Andante tranquilo - Vivace
Violin Sonata No. 2, Op. 100: III. Allegretto grazioso
Violin Sonata No. 3, Op. 108: I. Allegro
Violin Sonata No. 3, Op. 108: II. Adagio
Violin Sonata No. 3, Op. 108: III. Un poco presto e con sentimento
Violin Sonata No. 3, Op. 108: IV. Presto agitato
Bach: Sonatas & Partitas for Violin Solo, BWV 1003 & 1004
Violin Sonata No. 2 in A Minor, BWV 1003: I. Grave
Violin Sonata No. 2 in A Minor, BWV 1003: II. Fuga
Violin Sonata No. 2 in A Minor, BWV 1003: III. Andante
Violin Sonata No. 2 in A Minor, BWV 1003: IV. Allegro
Violin Partita No. 2 in D Minor, BWV 1004: I. Allemande
Violin Partita No. 2 in D Minor, BWV 1004: II. Courante
Violin Partita No. 2 in D Minor, BWV 1004: III. Sarabanda
Violin Partita No. 2 in D Minor, BWV 1004: IV. Gigue
Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne
Bach: Sonata & Partita for Violin Solo, BWV 1001 & 1002
Violin Sonata No. 1 in G Minor, BWV 1001: I. Adagio
Violin Sonata No. 1 in G Minor, BWV 1001: II. Fuga
Violin Sonata No. 1 in G Minor, BWV 1001: III. Siciliana
Violin Sonata No. 1 in G Minor, BWV 1001: IV. Presto
Violin Partita No. 1 in B Minor, BWV 1002: I. Allemande & II. Double
Violin Partita No. 1 in B Minor, BWV 1002: III. Courante & IV. Double
Violin Partita No. 1 in B Minor, BWV 1002: V. Sarabande & VI. Double
Violin Partita No. 1 in B Minor, BWV 1002: VII. Tempo di borea VIII. Double
Beethoven: Piano Trio in B-Flat Major, Op. 11 (Digitally Remastered)
Piano Trio in B-Flat Major, Op. 11: I. Allegro con brio
Piano Trio in B-Flat Major, Op. 11: II. Adagio
Piano Trio in B-Flat Major, Op. 11: III. Tema con variazioni ("Pria ch'io l'impegno": Allegretto)
Vivaldi: Concerto for Violin, Strings and Basso Continuo in G Minor, Op. 6, No. 1, RV 192 (Digitally Remastered)
Concerto for Violin, Strings and Basso Continuo in G Minor, Op. 6, No. 1, RV 192: I. Allegro / II. Grave / III. Allegro
Beethoven: Trio No. 11 for Violin, Violoncello and Piano in G Major, Op. 121a “Kakadu Variations” (Digitally Remastered)
Trio No. 11 for Violin, Violoncello and Piano in G Major, Op. 121a “Kakadu Variations”
Beethoven: Trio No. 5 for Violin, Violoncello and Piano in D Major, Op. 70, No. 1 “Giester Trio” (Digitally Remastered)
Trio No. 5 for Violin, Violoncello and Piano in D Major, Op. 70, No. 1 “Giester Trio”: I. Allegro vivace e con brio
Trio No. 5 for Violin, Violoncello and Piano in D Major, Op. 70, No. 1 “Giester Trio”: II. Largo assai e espressivo
Trio No. 5 for Violin, Violoncello and Piano in D Major, Op. 70, No. 1 “Giester Trio”: III. Presto
Tschaikowsky: Souvenir de Florence, Op. 70 - Valse Caprice, Op. 4 - Symphonie No. 1, Op. 13
10 Variations on "Ich bin der Schneider Kakadu", Op. 121a