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 0xfce365a61daac9a970b189853a9e6f456c70eb7652a3e68ec6f903588592d49e. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9852ecee-8d06-42cd-9aa3-2f395c1e426c.json and https://artists.proofprofile.net/proofs/artist/9852ecee-8d06-42cd-9aa3-2f395c1e426c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
林妹妹（逆水寒&越剧《红楼梦》联动宣传曲）
林妹妹（逆水寒&越剧《红楼梦》联动宣传曲） - 伴奏版