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 0xc695c9daf073cfba2ed5a0436b2b2b3978a923568e68270ee414e4ce5b95f143. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e048e487-7211-4572-9dac-8be525f74329.json and https://artists.proofprofile.net/proofs/artist/e048e487-7211-4572-9dac-8be525f74329.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You Gottus Fuxxed Up (DJ Screw & The Screwed Up Click Presents)
Street Game (DJ Screw & Screwed Up Click Presents)