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 0xfea3301911781ad12d65ccc681a4185088b43e546a3cac9973066fe917a36c8e. Chain 2 (Bitcoin): anchored in block 953627 (2026-06-14T11:43:04Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2f6e1638-5567-4be4-b783-f5841133dbb7.json and https://artists.proofprofile.net/proofs/artist/2f6e1638-5567-4be4-b783-f5841133dbb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Man and A Woman (Original Motion Picture Soundtrack)
The Throne (Original Motion Picture Soundtrack)
Luck-Key (Original Motion Picture Soundtrack)
The Prison (Original Motion Picture Soundtrack)