'A kind of Rosetta Stone': AI decodes 217-year-old secret letter ordered by Napoleon

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: Live Science
'A kind of Rosetta Stone': AI decodes 217-year-old secret letter ordered by NapoleonWorldPing
Image via Live Science.

What happened

GPT-6 Astra has been used to solve a centuries-old cipher used to convey strategic military information between Napoleon's troops.

Key facts

  • GPT-6 Astra has been used to solve a centuries-old cipher used to convey strategic military information between Napoleon's troops.
  • Reported by Live Science and published Fri, 02 Oct 2026 10:30:00 UTC.

Why it matters

Research findings and mission results set the evidence base that policy, funding and later discoveries build on.

What to watch next

  • Peer review status and replication of the findings
  • Mission milestones and next scheduled attempt
  • Funding or policy decisions that follow

Sources

The original report was published by Live Science. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at Live Science

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