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 0x9ca90448ba5578f7ba9a31889b353d4b8ce1701dc3e0c3cbf5428faa17bdc2b9. 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/a4f9736f-c8ac-4d5d-8b1b-bfd6b1aaab8f.json and https://artists.proofprofile.net/proofs/artist/a4f9736f-c8ac-4d5d-8b1b-bfd6b1aaab8f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
原來是你 (影視劇《理科生墜入情網》插曲)
再一次靠近你 (影視劇《理科生墜入情網》片尾曲)
你啊 (影視劇《理科生墜入情網》片頭曲)
我準備好了 (影視劇《理科生墜入情網》插曲)
温柔恶魔（高甜青春剧《我的恶魔少爷》插曲）
詩中人如歌 (影視劇《陌上人如玉》插曲)