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 0x6d6e4cdfb965d11d17ca299725b75b0236687b1d16183e3c0fa197078f79b2ef. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0f11c36-4e5f-4ec7-a132-f2c3612672fe.json and https://artists.proofprofile.net/proofs/artist/c0f11c36-4e5f-4ec7-a132-f2c3612672fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Josh Walks Through Town / Walking Montage
School Boiler Room / No More Booze / Billy Gets It
Laserblast: Original Motion Picture Soundtrack