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 0xd9c0b2e24ff5f878e11452bcdd74e8b594bdd51a481783a7e20cf128f5f2afa2. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5d47d3c-67dc-4e2b-b041-f6335c7f3286.json and https://artists.proofprofile.net/proofs/artist/c5d47d3c-67dc-4e2b-b041-f6335c7f3286.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight Sonata": I. Adagio sostenuto
Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo
9 Mazurkas, Op. 25: No. 1 in F Minor. Allegro
Violin Concerto No. 5 in A Major, K. 219, "Turkish": III. Rondeau
The Nutcracker Suite, Op. 71a: II.d. Arabian Dance
Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante cantabile
Etude tableau in A Minor, Op. 39: No. 2 in A Minor
Cello Suite No. 1 in G Major, BWV 1007: III. Courante
Orphee et Eurydice, Act II: Dance of the Blessed Spirits
Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile
Piano Concerto No. 21 in C Major, K. 467: II. Andante
Symphony No. 41 in C Major, K. 551, "Jupiter": II. Andante cantabile
Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring": III. Allegro pastorale
Symphony No. 3 in E-Flat Major, Op. 97, "Rhenish": III. Nicht schnell
Concerto for Oboe, Strings & Continuo in D Minor, TWV 51d1: I. Adagio
The Nutcracker Suite, Op. 71a: III. Waltz of the Flowers
String Quartet in D Major: I. Allegro maestoso -
6 Praludien und Fugen fur die Orgel, S. 462, No. 3. Prelude and Fugue in C Minor: Fugue (Transcribed by Franz Liszt)
The Carnival of the Animals: XIII. The Swan
Symphony No. 2 in D Major, Op. 36: II. Larghetto
String Quartet No. 2, JW VII/13, "Listy duverne" : III. Moderato - Adagio - Allegro
Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
Symphony No. 1 in A-Flat Major, Op. 55: I. Andante nobilmente
Binaural Baby Rain: Gentle Thunder Lullabies