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 0x6ffe9b8e04e707903b61e6cee40dc3346fe24fe222d52b28237915578d3fa93c. 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/2ec28095-7395-4a51-a7c8-18ec9083497a.json and https://artists.proofprofile.net/proofs/artist/2ec28095-7395-4a51-a7c8-18ec9083497a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wave Your Terrible Towel (feat. DeMario)
Only The Family - Lil Durk Presents: Loyal Bros