{"id":"clm_1C74869FC1C1","entity":"rio-tinto","predicate":"founded","value":"1873-03-29","value_json":{"note":"Rio Tinto's own history page says the Rio Tinto Company was registered in London on 29 March 1873.","check":{"on":"2026-11-12","url":"https://www.riotinto.com/en/about/history","pages":1,"quote":"on 29 March 1873, the Rio Tinto Company was registered in London with Matheson as Chairman.","outcome":"checked"},"verdict":"found","verified":"2026-11-12","missing_basic":true},"valid_from":"1873-03-29","valid_to":null,"published":null,"recorded":"2026-11-12","citation":{"plain":"AsOf. \"Rio Tinto Group founded: 1873-03-29\", as of 1873-03-29. Claim clm_1C74869FC1C1, https://asof.is/claim/clm_1C74869FC1C1, accessed 2026-11-12. Source: https://www.riotinto.com/en/about/history.","url":"https://asof.is/claim/clm_1C74869FC1C1","accessed":"2026-11-12"},"confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-12T05:37:09.939685+00:00","updated_at":"2026-11-12T13:36:06.266955+00:00","sources":[{"url":"https://www.riotinto.com/en/about/history","tier":"primary","publisher":"riotinto.com","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-12","quote":"on 29 March 1873, the Rio Tinto Company was registered in London with Matheson as Chairman.","url":"https://www.riotinto.com/en/about/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.","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"}}}