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 0x5b684f29ebdf6020af4b421039b853c920d6a39a3a2fbecf32fb3e3273ef1267. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2f4e1969-87db-4794-9f61-eae6b8f80fa4.json and https://artists.proofprofile.net/proofs/artist/2f4e1969-87db-4794-9f61-eae6b8f80fa4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
PAUL CHAMBERS - THE GREATEST HITS (폴 챔버스 히트곡 모음집)
To Begin At The Beginning: Phantasy Singles 2007-2010