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 0xd8ea1684c9f86c7503fa27f9d5d3a2853c4237f821a9edc8353a69277560a3a1. 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/a1e35fa0-802c-42d0-9d76-7e47c6ee27fe.json and https://artists.proofprofile.net/proofs/artist/a1e35fa0-802c-42d0-9d76-7e47c6ee27fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bouzouki & D Hang, Pt. 2 (Live in Moscow)
Bouzouki & D Hang, Pt. 2 - Live in Moscow