Anthropic Long-Term Benefit Trust — key-event: Mariano-Florentino Cuéllar appointed as trustee

NoteThe source directly confirms all three components of the claim: (1) Mariano-Florentino Cuéllar was appointed to the Anthropic Long-Term Benefit Trust, (2) the appointment occurred in January 2026 (matching the 'as of 2026-01' timeframe), and (3) the additional context is verified—he is described as President of Carnegie Endowment for International Peace and as a former Justice of the Supreme Court of California. The source is the official Anthropic announcement of this appointment.