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 0xcad9124fdbf22c4e8145a986e07f91dfb75bf19d9d87e87ca3964d13c87a07eb. Chain 2 (Bitcoin): anchored in block 953707 (2026-06-14T23:22:21Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cec27c2-c7ff-4c19-8993-cde22fdfaf27.json and https://artists.proofprofile.net/proofs/artist/7cec27c2-c7ff-4c19-8993-cde22fdfaf27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Where Ever You Go (De "La Ch'tite Famille Soundtrack")
Holly Drugs (De "La Ch'tite Famille Soundtrack")
Knock on Wood (De "La Ch'tite Famille Soundtrack")