17th-century Scottish writer; author of the cipher
Appears in 1 story
Died around 1660; cryptograms survive through later publications
Vals AI says Anthropic's Claude Fable 5.1 decoded the Cyphral Distich, a 64-number cipher in Scottish writer Sir Thomas Urquhart's 1653 book Logopandecteision, in 44 minutes with no human help. If verified, it would end a puzzle that has resisted readers since 1899, when a British journal first asked for a solution.
Updated 48 minutes ago
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