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 0xd420ee0df24e3f539372ba72b12c70cf3658ab6c80dd2cde59b9df9fe6408550. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/015871a4-b3ab-407c-859e-94d293306592.json and https://artists.proofprofile.net/proofs/artist/015871a4-b3ab-407c-859e-94d293306592.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Justin Timberlake - Can't stop the feeling (Instrumental Remix)
Thievers (ft. Baegod, Yumz Awkword & Ebar)