Scott Alexander article from 2022, "ELK And The Problem Of Truthful AI"

https://www.astralcodexten.com/p/elk-and-the-problem-of-trut...

It discusses "Eliciting Latent Knowledge" which is "a technical report / contest / paradigm run by the Alignment Research Center". The research investigated whether it would be theoretically possible to build a "trustworthy" AI to interpret the thoughts of another AI.