So we now have a clearer picture of what seems to have happened with the three researchers fired from OpenAI... seems like they were fired mainly for using Signal? - It was leaked to 'The Information' that GPT Astra is a 'looped transformer'. OpenAI investigated this leak. - OpenAI suspected Ryan Greenblatt at METR was the source of the leak. They suspected the three OpenAI engineers for their various collaborations with Greenblatt. - OpenAI checked the phones of the researchers and found…