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 0xcc1e9016815f15e0914e5f27dd987d0a9f365960bd508a641a6ddc8d2526003c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7dd0f95-7468-4b63-bded-5fed5fc7f8f1.json and https://artists.proofprofile.net/proofs/artist/a7dd0f95-7468-4b63-bded-5fed5fc7f8f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
보스를 지켜라 Pt. 7 Original Television Soundtrack
발효가족 (Original Television Soundtrack) Pt. 2
발효가족 (Original Television Soundtrack) Part. 2
막돼먹은 영애씨 시즌 15 (Original Television Soundtrack), Pt. 15
Ugly Miss Young-ae Season 15 (tvN DRAMA) OST Part.15
The Emperor: Owner of the Mask (MBC Drama) OST Part.18
Hajimete Miru Sora Datta - Memorial Ver.
불어라 미풍아 (Original Television Soundtrack), Pt. 13
신과의 약속 (Original Television Soundtrack), Pt. 6
하나뿐인 내편 (Original Television Soundtrack), Pt. 34