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 0x750ed8b0f8b7af5b88b6486e7395912a00b6648d7a9b3c610d53905247d6d438. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c312d07c-9772-47b4-bcb2-4dd48ae91e45.json and https://artists.proofprofile.net/proofs/artist/c312d07c-9772-47b4-bcb2-4dd48ae91e45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Still Life with Sea Pinks and High Tide, Pt. 1
Still Life with Sea Pinks and High Tide, Pt. 2
Still Life with Sea Pinks and High Tide (Single Version)
Still Life with Sea Pinks and High Tide - Single Version