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 0x5498e8d098e7f383a02ce897890fb24d39ebe76cc06658e1a39d33d0d09b219f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cde8745-fef3-4644-9b71-5deb7222e946.json and https://artists.proofprofile.net/proofs/artist/7cde8745-fef3-4644-9b71-5deb7222e946.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Prolazna Stvar - Denis Goldin Remix Extended