GPT-6 Astra cracks a 217-year-old Napoleonic letter in six hours
From one blurry photo and a single prompt, Astra read all 1,300 symbols, found an old key, decoded an 1809 military briefing, and corrected the year historians had recorded.
Napoleon's 217-year-old mysterious letter cracked by AI in 6 hours it was written in 1809, full of symbols nobody could read, sent by napoleon's orders to one of his generals. two centuries, and nobody ever cracked it a cybersecurity engineer gave gpt-6 astra a single blurry photo of the letter and one prompt. the model read all 1,300 symbols, found an old forgotten key that connected to this exact letter, and used it to decode the whole thing turns out it was a military briefing, troop positions across europe, sent two weeks before austria got invaded. astra even corrected the date historians had wrong, moving it from 1807 to march 1809 what's wild isn't that it got decoded, people probably could've done that eventually. it's that one model did the entire thing start to finish in 6 hours, reading the image, cracking the code, checking it against real history, with just one prompt there's probably thousands of letters like this sitting in archives that nobody ever read because it wasn't worth a historian's years. that just changed now