Karen Vardanyan (, November 30, 1976, Yerevan, Armenian SSR, USSR) is an Armenian businessman, philanthropist, owner of Grand Holding, and the youngest son of Hrant Vardanyan. Biography Karen Varda
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 0xd77c8c068c89d9d38ebdd064a16b2858c177c69bab6214a66339b53cd8220759. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1f468e5-78d8-4289-b80d-c195cc2fb5c4.json and https://artists.proofprofile.net/proofs/artist/f1f468e5-78d8-4289-b80d-c195cc2fb5c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).