Yeon (연), or less commonly Youn or Yŏn, is a Korean surname. The name may correspond to the Chinese surnames Yan (燕, 延) or Lian (連). The hanja 延 is much more common than 燕 and 連. Yeon may also refer t
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 0x702648c76e24c03ab351d24b5be77e7b79bf051768ed02ff1a33925ad02074ed. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/789401ac-636e-4fc9-ba03-7d794573d297.json and https://artists.proofprofile.net/proofs/artist/789401ac-636e-4fc9-ba03-7d794573d297.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).