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 0x495aab6aa5f299c06f4610c8afa087a92d7e3b197550db82ca9278641dbe6a2d. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2c8478e-4da9-475b-9795-c76a214794ea.json and https://artists.proofprofile.net/proofs/artist/a2c8478e-4da9-475b-9795-c76a214794ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Szymanowski: Mythes, Op. 30: I. La Fontaine d'Arethuse
Szymanowski: Mythes, Op. 30: II. Narcisse
Szymanowski: Mythes, Op. 30: III. Dryades Et Pan
Ravel: Violin Sonata No. 2 in G Major, M. 77: I. Allegretto
Ravel: Violin Sonata No. 2 in G Major, M. 77: II. Blues. Moderato
Ravel: Violin Sonata No. 2 in G Major, M. 77: III. Perpetuum mobile. Allegro
Six Sonates Pour Violon, Op. 27, Sonate No. 5 'Mathieu Crickboom': 1. L'Aurore
Six Sonates Pour Violon, Op. 27, Sonate No. 5 'Mathieu Crickboom': 2. Danse Rustique
Eventyrsuite For Violin Solo: I. Natur Og Hulder (Fantasia)
Eventyrsuite For Violin Solo: II. Veslefrikk (Allegretto)
Eventyrsuite For Violin Solo: III. Sull (Andante)
Eventyrsuite For Violin Solo: IV. Trollkvenna (Allegro)
II Sonata Per Violino Solo: I. Adagio. Allegro. Adagio.
Wieniawski: Violin Concerto No. 2 in D Minor, Op. 22: I. Allegro moderato
Wieniawski: Violin Concerto No. 2 in D Minor, Op. 22: II. Romance. Andante, ma non troppo
Wieniawski: Violin Concerto No. 2 in D Minor, Op. 22: III. Allegro con fuoco - Allegro moderato (à la Zingara)
Bruch: Scottish Fantasy, Op. 46: I. Einleitung. Grave - Adagio cantabile
Bruch: Scottish Fantasy, Op. 46: II. Allegro - Adagio
Bruch: Scottish Fantasy, Op. 46: III. Andante sostenuto
Bruch: Scottish Fantasy, Op. 46: IV. Finale. Allegro guerriero
Phoenix - Różycki: Violin Concerto, Op. 70: I. Andante
Różycki: Violin Concerto, Op. 70: I. Andante
Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
Różycki: Violin Concerto, Op. 70: II. Allegro deciso
Tchaikovsky: Violin Concerto in D Major, Op. 35: I. Allegro moderato
Tchaikovsky: Violin Concerto in D Major, Op. 35: III. Finale. Allegro vivacissimo
Sonata No. 3 c-moll, Op. 45 na skrzypce i fortepian: I. Allegro con brio
Sonata No. 3 c-moll, Op. 45 na skrzypce i fortepian: II. Allegretto quasi andantino
Sonata No. 3 c-moll, Op. 45 na skrzypce i fortepian: III. Allegro molto vivace
Sonata na skrzypce i fortepian a-moll, Op. 13: I. Allegro con fantasia
Sonata na skrzypce i fortepian a-moll, Op. 13: II. Intermezzo. Andantino
Sonata na skrzypce i fortepian a-moll, Op. 13, III. Finale. Allegro molto quasi presto
Violin Concerto No. 1, Version for Violin and String Orchestra: I. Cadenza I
Violin Concerto No. 1, Version for Violin and String Orchestra: II. Allegro
Violin Concerto No. 1, Version for Violin and String Orchestra: III. Cadenza II
"Radiating Brightness", Op. 37, Little Mystery for Soprano, Violin Solo and String Orchestra: I. Lento
"Radiating Brightness", Op. 37, Little Mystery for Soprano, Violin Solo and String Orchestra: II. Vivo
"Radiating Brightness", Op. 37, Little Mystery for Soprano, Violin Solo and String Orchestra: III. Affetuoso
"Radiating Brightness", Op. 37, Little Mystery for Soprano, Violin Solo and String Orchestra: IV. Lento
"Melodies of the Moments", Cycle III: I. Lullaby
"Melodies of the Moments", Cycle III: II. Barcarole
"Melodies of the Moments", Cycle III: III. Lullaby
Sonata No. 2 for Solo Violin: I. Adagio - Allegro - Adagio.
Sonata No. 2 for Solo Violin: II. Presto
Sonata for 2 Violins, Op. 69: I. Allegro molto
Sonata for 2 Violins, Op. 69: II. Adagio
Sonata for 2 Violins, Op. 69: III. Allegro