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 0xc7e222136c067efbff6472cbffe0c7d32bae793a9b19060484fe5823828794ed. 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/a5723bf9-004d-48d3-b6f2-bf40c36470bc.json and https://artists.proofprofile.net/proofs/artist/a5723bf9-004d-48d3-b6f2-bf40c36470bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
T'Ain't What You Do (It's The Way You Do It)
Freddie Roach: Good Move!/Down To Earth/Mo' Greens Please
More Mileage - 2018 Digitally Remastered
Jazz Organists - Four Classic Albums (The Honey Dripper / Face to Face / Groovin’ with Jug / Down to Earth) (Digitally Remastered)
Althea Soon (Freddie Roach: Down to Earth)
More Mileage (Freddie Roach: Down to Earth)
Lion Down (Freddie Roach: Down to Earth)