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The AI and OpenAI cracked the cryptogram that had stayed unsolved for 76 years

The last of four cryptograms on a famous unsolved list had resisted everyone since 1950; the first three fell in 1948, 1996 and 2019. Working with AI and OpenAI, the poster cracked it: Opus 5.5 wrote the search code and picked out the books to use for the key phrase, another model verified the result, and the list keeper has confirmed the solution.

How it works

  1. He sets the AI and OpenAI on the unsolved cryptogram
  2. Opus 5.5 writes the search code
  3. It identifies which books to use for the key phrase
  4. A second model verifies the result
  5. The list keeper confirms the solution publicly

Why it’s worth knowing

A code that beat everyone for 76 years fell to a man working with two agents at home.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

Upgraded prompt

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