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 0x15cd2fbc106929aebcf0b71fbb4a4ea195d33e64a9f25cb0cfa64d5f81bf758f. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2986acb-ff9a-4fc9-95fc-b04c12e4c7f5.json and https://artists.proofprofile.net/proofs/artist/e2986acb-ff9a-4fc9-95fc-b04c12e4c7f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
滾石40 滾石撞樂隊 40團拚經典 - 愛的代價
愛的代價 - 滾石40 滾石撞樂隊 40團拚經典 (原唱:張艾嘉)
Look Directly Into The Sun: China Pop 2007