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 0xa40de8184b78e9368988c7f8a0a9dc1c77dab4d431063446e18a467c39c8454d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e932737f-8954-4631-933a-3b39e4ab1dc3.json and https://artists.proofprofile.net/proofs/artist/e932737f-8954-4631-933a-3b39e4ab1dc3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dance Suite: I. Italian Dance (Version for 2 Pianos)
Dance Little Lady: III. Allegro. Tempo di valse
Sonata for 2 Pianos: I. Drammatico e maestoso
Sonata for 2 Pianos: II. Élégie. Sotto voce
Sonata for 2 Pianos: III. Allegro vigoroso
3 Fantastic Variations on "Lilliburlero": No. 1, Allegro
3 Fantastic Variations on "Lilliburlero": No. 2, Andante
3 Fantastic Variations on "Lilliburlero": No. 3, Allegro brightly