GPT-6 Astra cracks 217-year-old cipher to Napoleon's general in 6 hours
arthurcolle · x · 2026-10-01
Carter Church used GPT-6 Astra to decipher an unsolved cipher sent to one of Napoleon's generals, unread for 217 years. The highlight: Astra autonomously completed the entire multimodal workflow in 6 hours from a single image and a goal.
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