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 0x4eccf6a01a7d0193269bc8788fed3f7e4c94fa260677245eaede3d5db315ae2e. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7de89bde-b9a2-44b2-8371-3ddde38b6a86.json and https://artists.proofprofile.net/proofs/artist/7de89bde-b9a2-44b2-8371-3ddde38b6a86.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Atomic Rose at Toquín En La Requinta (Live)