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 0xa36ebc5dcede858555c3755ebd9d8612903b182d783cc5988e830d6723871138. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f714b670-a412-4c45-acce-d82e0a1ef5a3.json and https://artists.proofprofile.net/proofs/artist/f714b670-a412-4c45-acce-d82e0a1ef5a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
重逢 王新蓮‧馬宜中‧鄭怡 民歌精選輯