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 0x93e543f89204bb5ef1b13e0197996280e1aed5f9d38336d113de1dd270df2fb4. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5b51784f-99d8-4a58-b369-843085a45888.json and https://artists.proofprofile.net/proofs/artist/5b51784f-99d8-4a58-b369-843085a45888.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lounge party music (Oriental lounge sounds)