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 0xc748de6a07a62f30cde253eb18b644595c119ed7b54bafbbc542b885084f0c65. 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/a1d85f29-bcac-4f38-9b3d-344d9c04f427.json and https://artists.proofprofile.net/proofs/artist/a1d85f29-bcac-4f38-9b3d-344d9c04f427.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Lost a Precious Person Part.2 (feat. Lee Ji Yong)
I Lost a Precious Person Part.2 - instrumental
Pictures of our memories (Feat. Lee Ji yong)
The one who loved me (Feat. Jung Myung Kyu)
The One Who Loved Me (feat. Jung Myung Kyu)
Only the number is left (feat. Lee Ji Yong)
The one who loved me (feat. Jung Myung Kyu)
I lost a precious person (feat. Lee Ji Yong)
Pictures of our memories (feat. Lee Ji Yong)
I lost a precious person (Piano Version)
I lost a precious person (feat. Lee Ji Yong) - Piano Ver.
I lost a precious person - Piano Ver. Instrumental
She left me (Feat. Lee Ji yong) (Piano Ver.)
She left me (Feat. Lee Ji yong) - Piano Ver.