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 0x15edb27909b90ed51a1d95a37afb64f5c30bc3cf6b902013f4c884cb07883946. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a506858-56dc-4485-a63e-f0ee7e534040.json and https://artists.proofprofile.net/proofs/artist/1a506858-56dc-4485-a63e-f0ee7e534040.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bar Room Brawl (Paul Wall Chopped & Screwed Mix) [feat. Paul Wall, T-Bo, Haystak & S.C.C.]