1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x544184ae1847131de5ec8ccdc377940a5f921890592e1346e852ff5a4d7e41a9. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4b5915b-8663-4cd7-a0ba-2cbcba40fbca.json and https://artists.proofprofile.net/proofs/artist/c4b5915b-8663-4cd7-a0ba-2cbcba40fbca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
나도 모르게 사랑한 사람 (The One Who Stole My Heart)
몸뚱아 천천히 늙어라 (Take Your Time Getting Old)