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 0xe7390feae0d58c065f71d706857da5201f20490b7ea2bf5b57065d186b7f5f00. 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/0322d83f-7f21-4ba1-a482-32c522952b80.json and https://artists.proofprofile.net/proofs/artist/0322d83f-7f21-4ba1-a482-32c522952b80.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
상속자들, Pt. 6 (Original Television Soundtrack)
Temptation Pt. 4 (Original Television Soundtrack)
Mr. Back OST Pt. 5 (Original Television Soundtrack)
Shall We Drink (feat. Lee MinHyuk of BTOB)
Shall We Drink (feat. Lee MinHyuk of BTOB) - MR