{"id":"clm_DB4D1F8BEAFC","entity":"stack-overflow","predicate":"founder","value":"Jeff Atwood","value_json":{"item":"Q4703800","note":"Stack Overflow's own press page says it was founded in 2008 by Joel Spolsky and Jeff Atwood, so Atwood is still correctly listed as a founder.","rank":"normal","check":{"on":"2026-11-03","url":"https://stackoverflow.co/company/press/","pages":2,"quote":"Founded in 2008 by Joel Spolsky and Jeff Atwood, two developers who wanted to make coding resources more accessible for all.","outcome":"checked"},"undated":true,"verdict":"confirmed","dated_by":"founding date","verified":"2026-11-03","wikidata":"Q549037","demoted_on":"2026-10-28","demoted_reason":"wikidata is an index, not a source: valid needs a primary source or two independent domains"},"valid_from":null,"undated":true,"valid_to":null,"published":"2026-10-07","recorded":"2026-10-27","confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-27T21:44:24.661367+00:00","updated_at":"2026-11-03T21:33:01.070358+00:00","sources":[{"url":"https://stackoverflow.co/company/press/","tier":"secondary","publisher":"stackoverflow.co","published_at":"2026-10-07T00:00:00+00:00"},{"url":"https://www.wikidata.org/wiki/Q549037","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.crunchbase.com/organization/stack-overflow","tier":"secondary","publisher":null,"published_at":null}],"evidence":{"by":"page-read","on":"2026-11-03","quote":"Founded in 2008 by Joel Spolsky and Jeff Atwood, two developers who wanted to make coding resources more accessible for all.","url":"https://stackoverflow.co/company/press/"},"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":{},"checked_by":{"page-read":"its source page states the value and the date"}}}