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 0xd1ef3aa2471ee63c3c54c73e7576b812da6fe299b9a79a70f94ff35e66c8670c. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c64b2a98-2cb0-4d72-8d3b-bb1b9304375a.json and https://artists.proofprofile.net/proofs/artist/c64b2a98-2cb0-4d72-8d3b-bb1b9304375a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trumpet Concerto in A-Flat Major: I. Andante - II. Allegro energico - Live
Trumpet Concerto in A-Flat Major: III. Meno mosso - Live
Trumpet Concerto in A-Flat Major: IV. Tempo I - Live