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 0xd0fe3018e18b6efa9b5732489ca6e93f801bb923353e46b842bd81ffd48d794f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00604056-9992-4037-9c8f-20cd982110f7.json and https://artists.proofprofile.net/proofs/artist/00604056-9992-4037-9c8f-20cd982110f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
São Paulo de Piratininga São Paulo S Paulo SP
I Can't Wait - Sighter & Harmonika Remix