GPT-6 Astra 解出 1809 年拿破仑密信，Cryptiana 确认已破解
Astra 读取扫描件、重建缺失密钥并用模拟退火求解，还原出军情简报；密码学目录 Cryptiana 已标记为破解，仍有 5 个符号存疑。
GPT-6 Astra cracked a 217-year-old Napoleonic military cipher : - The encrypted letter dates to March 1809 and was sent to Napoleon’s marshal Auguste de Marmont, shortly before Austria invaded France’s sphere of influence in April. - Astra reportedly read the scanned 1,300-symbol ciphertext, reconstructed the missing key using historical material and ran a simulated-annealing solver to decode it. - The recovered message contains a military briefing on troop positions and Austrian movements, giving Marmont intelligence ahead of the campaign. - The proposed solution was reviewed by Satoshi Tomokiyo of Cryptiana, who marked the previously unsolved cipher as solved, although five symbols remain uncertain.