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 0x37240ea7b0d6d5999983717f53309caaba18a5ff544a517870a93190b1911909. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e21f318-2210-4355-af3b-da0a019b78f8.json and https://artists.proofprofile.net/proofs/artist/1e21f318-2210-4355-af3b-da0a019b78f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Terranova & Quo Vadis (Remastered & Expanded)
Contact (alternative version) - Remastered
Aurora (12-inch single version) - Remastered