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 0xbaff466a7af5cfa241816ccc6e7129aa1d23f3821134634450419b0df75592e5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fad21a5f-c096-4ab3-8d09-aee81700b2ff.json and https://artists.proofprofile.net/proofs/artist/fad21a5f-c096-4ab3-8d09-aee81700b2ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Do You Really Want To Hurt Me - Culture Club
Thinkin' About Your Body - Bobby McFerrin
Make It Wit Chu - Queens of the Stone Age
Change My Life - Virgin Magnetic Material Remix