{"id":"clm_BE01520CC1C3","entity":"anthropic","predicate":"founder","value":"Jack Clark","value_json":{"item":"Q135111322","rank":"normal","check":{"on":"2026-11-01","url":"https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm","pages":1,"quote":"Jack Clark co-founded Anthropic in January 2021 and leads the Anthropic Institute, an effort to share research from across Anthropic with external partners and the public, working together to address the biggest questions posed by powerful AI systems.","outcome":"checked"},"dated_by":"founding date","wikidata":"Q116758847"},"valid_from":"2021-01-26","valid_to":null,"published":"2026-10-26","recorded":"2026-11-01","citation":{"plain":"AsOf. \"Anthropic founder: Jack Clark\", as of 2021-01-26. Claim clm_BE01520CC1C3, https://asof.is/claim/clm_BE01520CC1C3, accessed 2026-11-09. Source: https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm.","url":"https://asof.is/claim/clm_BE01520CC1C3","accessed":"2026-11-09"},"confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-01T10:22:13.925146+00:00","updated_at":"2026-11-01T22:03:25.779774+00:00","sources":[{"url":"https://www.wikidata.org/wiki/Q116758847","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm","tier":"primary","publisher":null,"published_at":"2026-10-26T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-01","quote":"Jack Clark co-founded Anthropic in January 2021 and leads the Anthropic Institute, an effort to share research from across Anthropic with external partners and the public, working together to address the biggest questions posed by powerful AI systems.","url":"https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","citation":"citation: how to cite the row (plain: one sentence with the value, its as-of date, the claim id and URL, the day answered and the primary source; url: the claim page; accessed: the day answered). APA and BibTeX forms are on the claim page.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}