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 0xa3423527e2d8ec3dbbbda6c7b4d2126ccc01ab83a636c98656e8beeecc0b357d. 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/2f1fbe60-c26f-4688-bfd1-5fe0a408c801.json and https://artists.proofprofile.net/proofs/artist/2f1fbe60-c26f-4688-bfd1-5fe0a408c801.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lee Hyun's Stereo Hit Selection Collection (Sad Happiness)
Lee Hyun's Stereo Masterpiece First Album
천하무적 이평강 (Original Television Soundtrack) Pt. 1 - 숨이 막혀
The birth of the beauty (Original Television Soundtrack), Pt. 6
never been able to tell you - Instrumental
미녀의 탄생 (Music from the Original TV Series), Pt. 6
The birth of the beauty 미녀의 탄생 (Original Television Soundtrack), Pt. 6
never been able to tell you 하지못한말 - Instrumental
Come Back Alive (Original Television Soundtrack), Pt. 5
Blown with the beautiful wind OST Part.1
Romantic Doctor Teacher Kim (Original Television Soundtrack) Pt 1
Romantic Doctor Teacher Kim (Original Television Soundtrack) Pt. 1
Let's stop getting hurt anymore (Instrumental)
Let's stop getting hurt anymore - Instrumental
Hand (Back to You X Lee Hyun) - Instrumental
Eve, Pt. 4 (Original Television Soundtrack)
Gravity (feat. SONG HA YOUNG of fromis_9)
You Are Here (BTS World Original Soundtrack)
You Are Here (BTS World Original Soundtrack) (Instrumental)