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 0xac555e54a4ad47a2c0e1c94a9180af1395d29155e8cd86ceb8ae0d8d60094cd8. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b5017e1-3338-4e8d-938a-7cad599efd74.json and https://artists.proofprofile.net/proofs/artist/4b5017e1-3338-4e8d-938a-7cad599efd74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chorale and Fugue in F-Sharp Major, Op. 57
Choral Music by Villiers Stanford, Noble, Jackson, Bairstow
12 Songs, Op. 21: V. Lilacs - Arr. for Piano
Improvisation No. 15 in C Minor, FP 176 - "Hommage à Édith Piaf"
Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro - Lento - Più mosso