Anthropic Long-Term Benefit Trust — key-event: Jason Matheny departs as trustee

Note: The source document is an announcement about the Long-Term Benefit Trust's governance structure published on September 19, 2023. While it describes the LTBT as 'an independent body of five financially disinterested members,' it does not identify who those members are, does not mention Jason Matheny by name, and does not discuss any departures or the reason for them. The claim about Jason Matheny departing as trustee in December 2023 and the context about RAND policy conflicts cannot be verified or contradicted by this source text, as the source simply does not address these specific facts.