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 0x727994051c1323134abb5885d2548e6d552054b845a3398258c2d5bfe3d1b7cf. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9af3014d-6b63-4c5e-a8aa-646c1e425f81.json and https://artists.proofprofile.net/proofs/artist/9af3014d-6b63-4c5e-a8aa-646c1e425f81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Inga's Creme - Chez Damier Morning After Mix, Pt. 1
We Will Together Forever (Suite) - Mixed