Chubby♨️(@kimmonismus):We are living in the craziest time: Carter Church used GPT-6 Astra to decipher a 217-year-old letter to one of Napoleon’s generals, reporting about six hours of model work. The difficulty lay primarily in extracting decipherable text at all from a poorly legible historical image. Starting with a scanned image, Astra transcribed 1,300 cipher units, found a published partial key, wrote a solver for the remaining code, and cross-referenced historical letters to correct the document’s date. Cryptiana now lists the cipher as solved. Really cool use case!

Chubby♨️

@kimmonismus

Tech Analyst & Content Creator. Editor-in-Chief @getsuperintel - Community of 300k+ in total: 🔗 //📧 kim@getsuperintel.com

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Chubby♨️@kimmonismus

2026.10.01 06:38

We are living in the craziest time: Carter Church used GPT-6 Astra to decipher a 217-year-old letter to one of Napoleon’s generals, reporting about six hours of model work. The difficulty lay primarily in extracting decipherable text at all from a poorly legible historical image. Starting with a scanned image, Astra transcribed 1,300 cipher units, found a published partial key, wrote a solver for the remaining code, and cross-referenced historical letters to correct the document’s date. Cryptiana now lists the cipher as solved. Really cool use case!