AMERICANALMANAC (Jonah Adams) - AI unlocks Napoleon’s 1809 cipher letter after 217 years
A cybersecurity engineer used OpenAI’s GPT-6 Astra to decode a 217-year-old cipher letter tied to Napoleon Bonaparte, unlocking military orders unread since 1809. Carter Church, an engineer at SentinelOne, broke a long-sealed message sent to French general Auguste de Marmont by Napoleon’s stepson Eugene, the Viceroy of Italy. The letter had sat unread for 217 […] The post AI unlocks Napoleon’s 1809 cipher letter after 217 years appeared first on American Almanac .
A cybersecurity engineer used OpenAI’s GPT-6 Astra to decode a 217-year-old cipher letter tied to Napoleon Bonaparte, unlocking military orders unread since 1809. Carter Church, an engineer at SentinelOne, broke a long-sealed message sent to French general Auguste de Marmont by Napoleon’s stepson Eugene, the Viceroy of Italy. The letter had sat unread for 217 years after its cipher key was lost. Daily Mail reporting describes a 1809 dispatch that opens with one line of French, then runs 24 lines of two-digit numbers, stray letters, and invented symbols. Church fed a single image of the plate into GPT-6 Astra, the OpenAI model he used for the job, and the system finished the full multi-modal workflow in six hours. On March 16, 1809,…Open