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 0x7b4c726a06ccf615fef50712cddae77ca84fa7f13cd206e3c376177a9e7d30af. 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/ad96b405-aa34-46cb-8676-c479b9dfa8b4.json and https://artists.proofprofile.net/proofs/artist/ad96b405-aa34-46cb-8676-c479b9dfa8b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fogareu / Riacho do Navio / Forró no Escuro
Mala e Cuia / Me Diz Amor / Espumas ao Vento