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 0x4072a7c316d98e8513d69d9165f9153db1caaaadf9839f62b7d1bafbf9a7756c. 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/d7c76bc6-fb90-4368-8917-36ee2a8c20ce.json and https://artists.proofprofile.net/proofs/artist/d7c76bc6-fb90-4368-8917-36ee2a8c20ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Manches macht erst Sinn wenn es Nacht wird