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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x467217f245a554ebb3cf7e7cbf3a3b31ac373efddf6129a7b5e0c24b9000e681. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d258ba1-eba9-463b-85e3-f68faa01206b.json and https://artists.proofprofile.net/proofs/artist/0d258ba1-eba9-463b-85e3-f68faa01206b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart, Beethoven and Brahms: Violin Sonatas
Violin Sonata No. 26 in B-Flat Major, Op. 2 No. 4, K. 378: I. Allegro moderato
Violin Sonata No. 26 in B-Flat Major, Op. 2 No. 4, K. 378: II. Andantino sostenuto e cantabile
Violin Sonata No. 26 in B-Flat Major, Op. 2 No. 4, K. 378: III. Rondeau. Allegro
Violin Sonata No. 7 in C Minor, Op. 30: I. Allegro con brio
Violin Sonata No. 7 in C Minor, Op. 30: II. Adagio cantabile
Violin Sonata No. 7 in C Minor, Op. 30: III. Scherzo. Allegro
Violin Sonata No. 7 in C Minor, Op. 30: IV. Finale. Allegro - Presto
Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
Violin Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo
Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso
Vranický, Benda, Pichl: Violin concertos
Concerto for Violin and Orchestra in D major, I. Allegro ma non molto
Concerto for Violin and Orchestra in D major, II. Largo
Concerto for Violin and Orchestra in D major, III. Allegro
Concerto for Violin and Orchestra in D major, No. 1, Op. 3, I. Allegro sostenuto
Concerto for Violin and Orchestra in D major, No. 1, Op. 3, II. Adagio maestoso
Concerto for Violin and Orchestra in D major, No. 1, Op. 3, III. Rondo. Tempo di Menuetto (Allegro)
Concerto for Violin and Orchestra in C major, I. Allegro giusto
Concerto for Violin and Orchestra in C major, II. Adagio. Romanza. Andante cantabile
Concerto for Violin and Orchestra in C major, III. Finale (Alla Pollaca. Allegretto)
Vranický, Benda, Pichl: Violin Concertos
Violin Concerto in D Major: I. Allegro ma non molto
Violin Concerto in D Major: III. Allegro
Violin Concerto No. 1 in D Major, Op. 3: I. Allegro sostenuto
Violin Concerto No. 1 in D Major, Op. 3: II. Adagio maestoso
Violin Concerto No. 1 in D Major, Op. 3: III. Rondo. Tempo di menuetto
Violin Concerto in C Major, Op. 11: I. Allegro giusto
Violin Concerto in C Major, Op. 11: II. Adagio. Romanza. Andante cantabile
Violin Concerto in C Major, Op. 11: III. Finale
Violin Concerto in A Minor, Op. 53, B. 108: I. Allegro, ma non troppo
Violin Concerto in A Minor, Op. 53, B. 108: II. Adagio, ma non troppo
Violin Concerto in A Minor, Op. 53, B. 108: III. Finale. Allegro giocoso, ma non troppo
Suk, Fibich, Dvorak & Ravel: Violin Magic
Poem from Idyll at Twilight, Op. 39: Poem from Idyll at Twilight, Op. 39
Memory Of Zbiroh. Serenade, Op. 180: Memory Of Zbiroh. Serenade, Op. 180
Pavane pour une infante defunte: Pavane pour une infante defunte
Orchestral Suite No. 3 in D major, BWV 1068: Air
Gypsy Songs, Op. 55: IV. Strange, but when my mother taught me to sing. Andante con moto
Rose Marie. Operetta in 3 Acts: Indian Love Song
Geschichten vom Weiner Wald, Op. 325: Geschichten vom Weiner Wald, Op. 325
Rose Marie. Operetta in 3 Acts: Act I, Indian Love Song
Love Song, Op. 7, No. 1: Love Song, Op. 7, No. 1
Benda, Pichl & Vranický: Violin Concertos
Violin Concerto in C Major: I. Allegro giusto
Violin Concerto in C Major: III. Finale. Alla Pollaca
Gabriela Demeterová - Haydn Variations, Violin Concerto, 3 Hungarian Danses
Variationen über ein Thema von Joseph Hayden - Chorale St. Antoni, Andante
Variationen über ein Thema von Joseph Hayden - Var. I - Poco piu animato
Variationen über ein Thema von Joseph Hayden - Var. II - Piu vivace
Variationen über ein Thema von Joseph Hayden - Var. III - Con moto
Variationen über ein Thema von Joseph Hayden - Var. IV- Andante con moto
Variationen über ein Thema von Joseph Hayden - Var. V - Vicace
Variationen über ein Thema von Joseph Hayden - Var. VI - Vicace
Variationen über ein Thema von Joseph Hayden - Var. VII - Grazioso
Variationen über ein Thema von Joseph Hayden - Var. VIII - Presto con troppo
Variationen über ein Thema von Joseph Hayden - Final Andante
Violinkonzert D dur - Allegro mon troppo
Violinkonzert D dur - Allegro giocuso, ma non troppo vivace
Concerto in A Major, RV 585: III. Allegro
Concerto in C Major, RV 558: I. Allegro molto
Concerto in C Major, RV 558: II. Andante molto
Concerto in C Major, RV 558: III. Allegro
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: I, Pt. 1. Sonata
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: I, Pt. 2. Presto
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: II, Pt. 1. Gigue
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: II, Pt. 2. Double I
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: II, Pt. 3. Gigue
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: II, Pt. 4. Double II
Mystery Sonatas, No. 8 in B-Flat Major, The Crown of Thorns: II, Pt. 5. Gigue
Mystery Sonatas, No. 9 in A Minor, Carrying the Cross: I. Grave
Mystery Sonatas, No. 9 in A Minor, Carrying the Cross: II, Pt. 1. Corrente
Mystery Sonatas, No. 9 in A Minor, Carrying the Cross: II, Pt. 2. Double I
Mystery Sonatas, No. 9 in A Minor, Carrying the Cross: II, Pt. 3. Double II
Mystery Sonatas, No. 9 in A Minor, Carrying the Cross: III. Finale
Mystery Sonatas, No. 10 in G Minor, The Crucifixion: I. Praeludium
Mystery Sonatas, No. 10 in G Minor, The Crucifixion: II. Aria con variazioni