{"entity":"wikipedia","id":"ent_wikipedia","name":"Wikipedia","wikidata":"Q52","page":"https://asof.is/record/wikipedia","as_of":null,"known_by":null,"since":null,"predicates":["founded"],"fact_pages":[{"predicate":"founded","page":"https://asof.is/record/wikipedia/founded","md":"https://asof.is/record/wikipedia/founded.md","json":"https://asof.is/v1/entities/wikipedia/founded"}],"coverage":{"entity":"wikipedia","name":"Wikipedia","kind":"product","sources":[{"source":"wikidata","item":"Q52","covers":"dated statements whose reference URL is the source: leadership, ownership, names, founding, headquarters; never financial figures"},{"source":"wikidata-products","covers":"products it makes, develops or publishes, as released claims, when the release date cites a reference URL; a rotating scan, a few dozen entities a run"},{"source":"feed","feed":"wikimedia-diff","name":"Wikimedia Diff","url":"https://diff.wikimedia.org/feed/","records_on":"wikimedia-foundation","covers":"a primary source for this entity's claims; its posts are recorded on wikimedia-foundation"}],"holds":{"claims":1,"open":1,"retracted":0,"first":"2001-01-15","predicates":{"founded":{"claims":1,"open":1,"kind":"fact"}}},"freshness":[{"origin":"wikidata","label":"Wikidata statements that cite a reference URL (wikidata_ingest.py)","claims":1,"last_added":"2026-10-27","last_checked":"2026-11-01","last_verified":null}],"gaps":["posts: recorded on wikimedia-foundation (Wikimedia Diff); the claims extracted from them about wikipedia land here"],"group":[{"entity":"wikimedia-foundation","name":"Wikimedia Foundation","kind":"organization","link":{"by":"feed","feed":"wikimedia-diff","to":"wikipedia"}}],"group_complete":true,"rule":"sources: what the pipeline reads for this entity, from its config (pipeline/entities.json, feeds.json, sec_companies.json, huggingface_authors.json). holds: its public claims by predicate; open is held today; kind fact is what entity_state answers by default, event is for timeline. freshness, per ingest (origin): last_added is the day it last put a new claim here (first_seen_at), last_checked the day one was last checked against its source (checked_on), last_verified the day reverify.py last confirmed one against Wikidata (value_json.verified_at). Only checked claims are public, so a fact missing here is unknown, not absent. gaps: what the record does not cover for this entity, so an empty answer is not read as news."},"claims":[{"id":"clm_95D3B81A8C9E","predicate":"founded","value":"2001-01-15","valid_from":"2001-01-15","valid_to":null,"published":null,"recorded":"2026-10-27","confidence":0.85,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.wikidata.org/wiki/Q52","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.washingtonpost.com/news/the-intersect/wp/2016/01/15/wikipedia-just-turned-15-years-old-will-it-survive-15-more/","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.lapl.org/collections-resources/blogs/lapl/wikipedia-20-aka-wiki-wiki-birthday","tier":"secondary","publisher":"lapl.org","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-01","quote":"To this end, they launched a companion site they called Wikipedia on January 15, 2001, with its first edit, the words “Hello World”, and announced it on the Nupedia mailing list.","url":"https://www.lapl.org/collections-resources/blogs/lapl/wikipedia-20-aka-wiki-wiki-birthday"}}],"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"}}}