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 0xc20fb972f751838117d81738147f305176ee83a9425ae01142309970ad57a8b4. 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/12df8bb4-a34f-45a1-a772-d86a293c7048.json and https://artists.proofprofile.net/proofs/artist/12df8bb4-a34f-45a1-a772-d86a293c7048.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musicalischer Parnassus, Uranie, Suite No. 9: I. Toccata
Musicalischer Parnassus, Uranie, Suite No. 9: II. Allemande
Musicalischer Parnassus, Uranie, Suite No. 9: III. Courante
Musicalischer Parnassus, Uranie, Suite No. 9: IV. Sarabande
Musicalischer Parnassus, Uranie, Suite No. 9: V. Gavotte
Musicalischer Parnassus, Uranie, Suite No. 9: VI. Gigue
Musicalischer Parnassus, Uranie, Suite No. 9: VII. Rigaudon
Musicalischer Parnassus, Uranie, Suite No. 9: VIII. Menuet I & II
Musicalischer Parnassus, Uranie, Suite No. 9: IX. Passacaglia
Pieces de clavecin, Book 3: La Forqueray, Rondeau
Pièces de clavecin, Book 4, 24th Ordre in A Minor: Quatrieme livre de pièces de clavecin, 24e ordre. L'amphibie, mouvement de passacaille
Harpsichord Suite No. 4 in G Minor: La Buisson, Chaconne
Harpsichord Suite No. 3 in D Minor: La Morangis ou La Plissay, mouvement de Chaconne
Musicalischer Parnassus: Uranie, Suite No. 9: I. Toccata
Musicalischer Parnassus: Uranie, Suite No. 9: II. Allemande
Musicalischer Parnassus: Uranie, Suite No. 9: III. Courante
Musicalischer Parnassus: Uranie, Suite No. 9: IV. Sarabande
Musicalischer Parnassus: Uranie, Suite No. 9: V. Gavotte
Musicalischer Parnassus: Uranie, Suite No. 9: VI. Gigue
Musicalischer Parnassus: Uranie, Suite No. 9: VII. Rigaudon
Musicalischer Parnassus: Uranie, Suite No. 9: VIII. Menuet I & II
Musicalischer Parnassus: Uranie, Suite No. 9: IX. Passacaglia
Pieces de clavecin, Book 4: 24th Ordre in A Minor: Quatrieme livre de pieces de clavecin, 24e ordre: L'amphibie, mouvement de passacaille
Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
Flute Sonata in A Major, Bwv 1032: Ii. Largo e dolce
Flute Sonata in E Minor, BWV 1034: I. Adagio ma non tanto
Flute Sonata in E Minor, BWV 1034: III. Andante
Flute Sonata in E Minor, BWV 1034: IV. Allegro
Flute Sonata in E-Flat Major, BWV 1031: I. Allegro moderato
Flute Sonata in E-Flat Major, BWV 1031: III. Allegro
Flute Sonata in A Major, BWV 1032: I. Vivace
Flute Sonata in A Major, BWV 1032: II. Largo e dolce
Flute Sonata in A Major, BWV 1032: III. Allegro
Flute Sonata in B Minor, BWV 1030: I. Andante
Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
Flute Sonata in B Minor, BWV 1030: III. Presto
Flute Sonata in E Major, BWV 1035: I. Adagio ma non tanto
Flute Sonata in E Major, BWV 1035: II. Allegro