Comunidade Ev. Internacional da Zona Sul
{"copyright_id":"0x42f90b54ebdfce5df320be3d48c022e94179e6e11b70e400e3e7b739db35c41b","name":"Comunidade Ev. Internacional da Zona Sul","registered_at":"2026-06-17T16:19:03Z","symbol":"NIM1450550","token_address":"0xb7e5362a6ead9543ea507f01bb9db5c56c14cbaa","type":"artist","uuid":"9113bdec-cfed-465a-8083-3c0deee352f8"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f90b54ebdfce5df320be3d48c022e94179e6e11b70e400e3e7b739db35c41b. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9113bdec-cfed-465a-8083-3c0deee352f8.json and https://artists.proofprofile.net/proofs/artist/9113bdec-cfed-465a-8083-3c0deee352f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).