AI model GPT-6 Astra cracks century-old WWI German ADFGVX cipher
GPT-6 Astra decoded a previously unsolved German WWI radio message from November 27, 1918, one of dozens listed on Scienceblogs.de's catalog of unresolved ciphers. The AI used the ADFGVX encryption method with the key word 'TRUPPENVERSCHIEBUNG,' revealing a report about an English cruiser arriving at Sevastopol and an Allied squadron following on the 26th.