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 0x1b936b1f1823c09757a3ea3450859df51b1171e748a9e8254c9d9c530f74941f. Chain 2 (Bitcoin): anchored in block 954556 (2026-06-20T12:14:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae150ba7-f332-48e6-8594-ec14275097da.json and https://artists.proofprofile.net/proofs/artist/ae150ba7-f332-48e6-8594-ec14275097da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Carnaval... Sá É Legal / Vem Cinderela (Deluxe Version)
O Prego / Felizes Juntinhos (Deluxe Version)
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