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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a80ad1a1b14264b4432f4ac425eea66735616f84bf530ad2f5d34153457111c. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/24135bab-a25d-48c1-89de-3f0b512fcaf8.json and https://artists.proofprofile.net/proofs/artist/24135bab-a25d-48c1-89de-3f0b512fcaf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hit Album Incheon Harbor of Farewell/Secret Admirer
The Old Site of Hwangseong/Life in the Strangerland
Seventy Miles of Seogwipo/Teary Duck Boat
Stay Strong, Geumsun/Sincere Words form a Bachelor
Puppy Love with Little Hurt/Son Long, the 38th Parallel
Complete Collection of Park Kyeong Won Hits