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 0x5ae12ac8cfb08801c73bacfdb7df062d890605f656ebfe0e6910fc4c4018bdb2. 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/2fa9fa25-eb77-43df-8ed3-ac1d0e82d323.json and https://artists.proofprofile.net/proofs/artist/2fa9fa25-eb77-43df-8ed3-ac1d0e82d323.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Am Shark: Confessions Under Water, Vol. 2
Sir, I've Been Observing You for More Than Five Minutes and You Have yet to Say Whoo Once