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 0x43674c92e1d0186e7ed9ad65da96d1d491ba3064e42dd6807fdd82484f9e8302. 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/a9293bca-6f6e-4ac9-a452-e2b1363f652c.json and https://artists.proofprofile.net/proofs/artist/a9293bca-6f6e-4ac9-a452-e2b1363f652c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Traditional Chinese Music - Oriental Relax
Traditional Zheng Music (Forest Soundscapes)
China Flute Music at Midnight (Sea Waves)
The Spring Arrives at Qing River (Night ASMR)