OpenAI Foundation — key-event: California AG investigation into OpenAI restructuring (ongoing since ~mid-2024, concluded Oct 2025)

NoteThe source confirms the existence of a California AG investigation into OpenAI's restructuring/recapitalization and confirms the 'year and a half' duration as of October 2025. However, the claim specifies the investigation began 'circa mid-2024' and 'concluded Oct 2025'. The source confirms the October 2025 conclusion date and the ~18-month duration (which would place the start around April 2024, consistent with 'mid-2024'). The source does not explicitly state a start date, so the 'mid-2024' start cannot be directly verified from this source alone—only the duration and end date are confirmed. The claim's temporal specificity about the start date is unverifiable from this source, making this a partial confirmation rather than full confirmation.