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 0xa5f7ccf88bfa88c7b539898988083fb85bcf026926b3da1a0a1e06c8da7ed61d. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/265fd890-bdc9-43b0-8e06-70c94136e304.json and https://artists.proofprofile.net/proofs/artist/265fd890-bdc9-43b0-8e06-70c94136e304.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北敗北