Jonathan Elihu Silverman (born August 5, 1966) is an American actor. He is known for his roles in the comedy films Brighton Beach Memoirs, Weekend at Bernie's, and its sequel Weekend at Bernie's II as
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 0x999792583c13475c29856e61920cbeb8fa7a7be9c81df1ff7fad1551c98f50a6. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27e4cc5d-0ebb-4c42-a341-6ea733803628.json and https://artists.proofprofile.net/proofs/artist/27e4cc5d-0ebb-4c42-a341-6ea733803628.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).