Kim Tae-yeon (; born March 9, 1989), known mononymously as Taeyeon, is a South Korean singer. She debuted as a member of girl group Girls' Generation in August 2007, which went on to become one of the
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 0xf62a934f0e1cd5848bab44c5341b3337a316ce0c4ca90a670a6bbe6a1022c727. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7916b36e-7ffa-4bf6-b843-92c0b595e988.json and https://artists.proofprofile.net/proofs/artist/7916b36e-7ffa-4bf6-b843-92c0b595e988.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).