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 0x84670ab0b4eab497c0c3c1659b5efbbc305e40372bccf21174c7dfef5fbe1c17. 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/e0707dc8-03d5-45e1-97ab-5bdf8212127b.json and https://artists.proofprofile.net/proofs/artist/e0707dc8-03d5-45e1-97ab-5bdf8212127b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ras Kouyon - Gary Mach's Seggae Dub Version
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