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 0x1a3aa7c487a3bab2594c84e9eabfa0ac85a7450518d6ac76f79559bf658e404c. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb16ae84-e696-4f45-af71-2a1bfe14c849.json and https://artists.proofprofile.net/proofs/artist/bb16ae84-e696-4f45-af71-2a1bfe14c849.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Giro D'Italia - Johannes Albert Extended Remix
Fracture - DJ Fett Burger's Pizzicatto Jungle Acid Remix
Industrie & Zärtlichkeit - Black Spuma Remix