Jeffry P. Freundlich (born July 14, 1952), primarily known by his pen name Jeff Lindsay, is an American playwright and crime novelist. He is best known for his novels about the fictional psychopathic
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 0x5080b74fc7d675e169c680d2dcbdc2a81e8d16cd912b5ca80d605632f3bfdacc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.json and https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Des Todes dunkler Bruder, Dunkler Dämon & Komm zurück, mein dunkler Bruder (Drei Dexter-Romane in einem Sammelband)