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 0xf818862a0fea1f127d79f900724287adf988d2361bcfc367e88b7e3d27647ac8. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e1e8b44d-1b0c-4ed0-b05b-b1c8609a6bc3.json and https://artists.proofprofile.net/proofs/artist/e1e8b44d-1b0c-4ed0-b05b-b1c8609a6bc3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Дама с Маленькой Собачкой и Кошкой в Корзинке
Young Samael. Side A White. Muddy Murky Murders
Young Samael. Side B Blue. Sun on Souls, Feces on Faces