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 0x91216e2b8bd9c1c555a1c466f4d8baddb087676449ac4a916e8fca1eaa1aba09. Chain 2 (Bitcoin): anchored in block 953662 (2026-06-14T17:28:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/564101c0-4ef8-4e85-9537-3766fc0eb12e.json and https://artists.proofprofile.net/proofs/artist/564101c0-4ef8-4e85-9537-3766fc0eb12e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mal Negocio (Introducing PandaBasa) - ClasBeats Remix