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 0xce8fe469a5bb5fd3008a2799ca356f5db68b48617512bcdbcafe903fd6371ecc. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/300e8faa-3e71-4df2-95a9-5145a6998490.json and https://artists.proofprofile.net/proofs/artist/300e8faa-3e71-4df2-95a9-5145a6998490.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
4 Short Pieces, H. 104: No. 1, Meditation
Ave Maria, CG 89 (Arr. for Viola & Piano)
14 Romances, Op. 34: No. 14, Vocalise (Arr. for Viola & Piano)
6 Gesänge, Op. 34: No. 2, Auf Flügeln des Gesänges, MWV K 86
Le carnaval des animaux, R. 125: XIII. The Swan (Arr. for Viola & Piano)
Pavane pour une infante défunte, M. 19 (Arr. for Viola & Piano)
2 Pieces for Viola & Piano, Op. 5: No. 1, Le Soir
2 Pieces for Viola & Piano, Op. 5: No. 2, Légende
Schwanengesang, D. 957: No. 4, Ständchen (Arr. for Viola & Piano)
Preludes, Book 1, L. 117: No. 8, La fille aux cheveux de lin (Arr. for Viola & Piano)
3 Songs, Op. 7: No. 1, Après un rêve (Arr. for Viola & Piano)
Préludes, Book 1, L. 117: No. 8, La fille aux cheveux de lin (Arr. for Viola & Piano)