The DC Circuit Just Upheld the Pentagon's Anthropic Ban 2-1. Four Days Before the Deadline.

A DC Circuit panel reversed the district court ruling that had found the Pentagon's Anthropic supply chain risk designation unlawful — 2-1, with a dissent, four days before the September 30th contractor deadline. Anthropic is "considering all options" including Supreme Court review. We also cover OpenAI's historic 24-breach government disclosure with all frontier training paused, and Claude computing a nine-loop Yang-Mills amplitude that beats the human record.