Thomas Carl Hartmann (born May 7, 1951) is an American radio personality, author, businessman, and progressive political commentator. Hartmann has been hosting a nationally syndicated radio show, 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 0x1464e2545d02873502752b0c11d05d91d39b6ea12369d2a04f78504c5553c8d7. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8d0234d-41d8-44ac-b1b1-99417c6ac513.json and https://artists.proofprofile.net/proofs/artist/b8d0234d-41d8-44ac-b1b1-99417c6ac513.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Hidden History of Guns and the Second Amendment (Unabridged)
The Hidden History of the Supreme Court and the Betrayal of America (Unabridged)
The Hidden History of the War on Voting [Who Stole Your Vote - and How to Get It Back (Unabridged)]
The Hidden History of Monopolies - How Big Business Destroyed the American Dream (Unabridged)
The Hidden History of American Oligarchy [Reclaiming Our Democracy from the Ruling Class (Unabridged)]