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 0x760540bb9f573a9a346078f3f7d5cfe589b086ad1d035c80b620cf2ba5f6ea4c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ff75107-1cd9-4c72-8e9d-026ca29cdae9.json and https://artists.proofprofile.net/proofs/artist/9ff75107-1cd9-4c72-8e9d-026ca29cdae9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Até Quando? (Ação Libertária + Alexandre Falante)
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