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 0x3d04880b80b6ce00268eb618c35c852dc511762d6ef5fb973f41f62a25f7e99f. 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/59abb06c-e7ab-42ac-a330-8d8160a7c342.json and https://artists.proofprofile.net/proofs/artist/59abb06c-e7ab-42ac-a330-8d8160a7c342.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Four Seasons, Op. 8, Violin Concerto No. 1 in E Major, RV 269 "La primavera": I. Allegro
Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
La Gioconda, Op. 9, Act III: "Danza delle ore"
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Eine Kleine Nachtmusik in G Major, K. 525: II. Romanze. Andante
Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca
The Planets, Op. 32: I. Mars, the Bringer of War
The Nutcracker, Suite, Op. 71a: II. Danses caractéristiques. Danse russe
The Nutcracker, Suite, Op. 71a: II. Danses caractéristiques. Danse chinoise
Concerto No. 21 in C Major, K. 467: II. Andante
Symphonie fantastique, Op. 14: II. Un bal. Valse. Allegro non troppo
The Four Seasons, Op. 8/1, "Spring" - Allegro
Symphony No. 5 In C Minor, Op. 67 - 1. Allegro Con Brio
Serenade No. 13 In G, "Eine Kleine Nachtmusik" - 2. Romanze: Andante
Piano Sonata No. 11 In A, K 331/K 300I, "Alla Turca" - Turkish March
The Planets, Op. 32, H 125 - Mars, The Bringer Of War
Piano Concerto No. 21 In C, K 467, "Elvira Madigan" - 2. Andante
Tema principale da "Qualcuno volò sul nido del cuculo"
Primo preludio dal clavicembalo ben temperato
Adagietto della quinta sinfonia in mi minore
Adagio dal concerto in re minore per oboe ed archi
Walzer dei fiori - Dal balletto "Lo schiaccianoci"
Adagio dal concerto in la maggiore K 622 per clarinetto ed orchestra