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 0xb0c23a77d6583fdbc26d4827226e7d38dcc00939884ab81ba3e82845312c55b3. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8de72cf5-e6e2-41a1-a88e-4761ab7a745a.json and https://artists.proofprofile.net/proofs/artist/8de72cf5-e6e2-41a1-a88e-4761ab7a745a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jane Eyre (Colonna sonora originale del film)
Cello & Piano Concerto, Vol. 3 (Contemporary Classical Duet)