ChatGPT-6 Astra cracks 217-year-old Napoleonic code in just six hours — single-prompt AI run solves 24 rows of custom symbols from a single image, reveals lost troop orders – Tom’s Hardware / Artificial intelligence (AI) / By hi@aiweekly.co.in ChatGPT-6 Astra cracks 217-year-old Napoleonic code in just six hours — single-prompt AI run solves 24 rows of custom symbols from a single image, reveals lost troop orders Tom’s Hardware