{"id":"clm_F7152287A44C","entity":"claude","predicate":"founded","value":"2023-03-14","value_json":{"note":"The page says Claude launched on March 14, 2023, as a limited release. It is a third-party blog, not Anthropic's own site, and I did not find an Anthropic page that I could cite.","rank":"normal","check":{"on":"2026-10-29","url":"https://www.taskade.com/blog/anthropic-claude-history","pages":1,"quote":"Claude launched on March 14, 2023. That first release was limited-access, offered through a waitlist and to business partners rather than to the public.","outcome":"checked"},"recheck":{"wikidata":"agrees","new_sources":0,"dead_sources":[],"wikidata_value":null,"sources_checked":1},"restored":"2026-10-28","wikidata":"Q118876059","precision":11,"verified_at":"2026-10-28","restored_from":"withdrawn_claims"},"valid_from":"2023-03-14","valid_to":null,"published":"2026-01-21","recorded":"2026-10-28","confidence":0.65,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-28T22:57:58.948153+00:00","updated_at":"2026-10-29T20:20:50.050657+00:00","sources":[{"url":"https://www.taskade.com/blog/anthropic-claude-history","tier":"secondary","publisher":"taskade.com","published_at":"2026-01-21T00:00:00+00:00"},{"url":"https://www.wikidata.org/wiki/Q118876059","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-29","quote":"Claude launched on March 14, 2023. That first release was limited-access, offered through a waitlist and to business partners rather than to the public.","url":"https://www.taskade.com/blog/anthropic-claude-history"},"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.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date"}}}