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 0x3834e0926b186b899beb80ee76c2ce3c9d7fcc6ea9811873a43bd2e2166e74dd. 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/c1761722-871f-4bf3-9d1f-a65d73aa7c34.json and https://artists.proofprofile.net/proofs/artist/c1761722-871f-4bf3-9d1f-a65d73aa7c34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Ultimate Fight - DJ Buby & The Stunned Guys R-Evolution
The Ultimate Fight - Dj Buby & Stunned Guys R-Evolution