The evidence overwhelmingly and unanimously supports the statement. The most authoritative source is OpenAI's own official announcement, which directly confirms that it has taken an ownership stake in Thrive Holdings. This primary confirmation is corroborated by a multitude of highly credible, independent global news organizations, including the Financial Times, Bloomberg, Reuters, The New York Times, and TechCrunch. Every source provided is consistent, with no contradictions or conflicting information. The language used across all summaries is direct and unambiguous, leaving no room for interpretation. The combination of a direct announcement from the involved entity and uniform reporting from top-tier media provides the highest possible confidence in the statement's truthfulness.