1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2821c647b533547e809b4af054f8d88f361964ff71ef5a0fef7e0092abaff35b. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9612b4bc-d336-442e-9f33-966e57f3c6c9.json and https://artists.proofprofile.net/proofs/artist/9612b4bc-d336-442e-9f33-966e57f3c6c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bloco dos Amigos na Reliquia do Naipe: Desejo / Banco do Corsa / Quer Tome / No Ladrão / Boquinha / Na Cara Dela
Hitmou Foi Tudo: Balança / Bandido Mais Caro / Pro Ladrão / Toma / Picante / Cachorrão