AI deciphers 217-year-old Napoleonic code in six hours

By PulseAugur Editorial · [2 sources] · 2026-10-04 13:08

An AI engineer named Carter Church utilized OpenAI's ChatGPT-6 Astra model to decipher a 217-year-old Napoleonic-era cipher. The AI successfully decoded the message, which contained troop orders from Eugène de Beauharnais to General Auguste de Marmont, within six hours using only a single image and prompt. This deciphered text provides missing context for Napoleon's memoirs and has been verified as solved by Satoshi Tomokiyo, who maintains the Cryptiana's Unsolved Historical Ciphers list. AI

IMPACT Demonstrates advanced AI capabilities in historical text decipherment and context retrieval.

RANK_REASON AI model used for a specific historical decipherment task, not a new model release or core research.

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

How we ranked this

Signal score: 5 / 100; Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket: Tool; AI model used for a specific historical decipherment task, not a new model release or core research.
Source corroboration: 2 independent sources; Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics: product, other; Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance: High; Clearly on-topic for AI-industry coverage.
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Tom's Hardware TIER_1 English(EN) · Mark Tyson · 2026-10-04 13:08

ChatGPT-6 Astra cracks 217-year-old Napoleonic code in just six hours

An AI engineer used GPT-6 Astra to reveal the contents of a cipher that hadn’t been read since the Napoleonic Wars. The task was initiated with a single image and prompt, and took just six hours from start to finish.
Mastodon — mastodon.social TIER_1 English(EN) · [email protected] · 2026-10-04 19:53

ChatGPT-6 Astra cracks 217-year-old Napoleonic code in just six hours An AI engineer used GPT-6 Astra to reveal the contents of a cipher that hadn’t been read s

ChatGPT-6 Astra cracks 217-year-old Napoleonic code in just six hours An AI engineer used GPT-6 Astra to reveal the contents of a cipher that hadn’t been read since the Napoleonic Wars. The task was initiated with a single image and prompt, and took just six hours from start to f…

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