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 0x956edc676d3dd30267bf8b1fbb99e8130070fb62753eee316a45de35fde4fa63. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fdabfa51-ee6d-4b1d-a701-80d917d13fe2.json and https://artists.proofprofile.net/proofs/artist/fdabfa51-ee6d-4b1d-a701-80d917d13fe2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
마피아 보스가 나에게 집착한다 (Original Webtoon Soundtrack) Pt. 26
사랑도 없이 결혼 (Original Television Soundtrack), Pt. 27