{"entity":"nist","id":"ent_nist","name":"National Institute of Standards and Technology","predicate":"headquarters","label":"headquarters","page":"https://asof.is/record/nist/headquarters","as_of":"2026-10-31","summary":"As of October 31, 2026, National Institute of Standards and Technology's headquarters on the AsOf record is Gaithersburg, undated on the record, from a primary source (nist.gov) and 2 further sources (commerce.gov and usa.gov). The record holds 1 claim on National Institute of Standards and Technology's headquarters, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_83404244C08A"],"claims":[{"id":"clm_83404244C08A","value":"Gaithersburg","valid_from":null,"undated":true,"valid_to":null,"published":"2009-03-16","recorded":"2026-10-27","confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.commerce.gov/bureaus-and-offices/nist","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.nist.gov/director","tier":"primary","publisher":null,"published_at":"2009-03-16T00:00:00+00:00"},{"url":"https://www.usa.gov/federal-agencies/national-institute-of-standards-and-technology","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.wikidata.org/wiki/Q176691","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-29"}}],"replaced":[],"faq":[{"question":"What is National Institute of Standards and Technology's current headquarters?","answer":"Gaithersburg, undated on the record, from a primary source (nist.gov) and 2 further sources (commerce.gov and usa.gov). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.80)."}],"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"}}}