{"id":"clm_B85E83076713","entity":"us-copyright-office","predicate":"founded","value":"1897-02-19","value_json":{"note":"the Copyright Office was established 1897-02-19 (copyright.gov)","rank":"normal","check":{"by":"research, quote read on the page","on":"2026-10-30","url":"https://www.copyright.gov/docs/wipo2012.html","quote":"February 19, 1897 Copyright Office established as a separate department of the Library of Congress. Position of Register of Copyrights created.","outcome":"checked"},"wikidata":"Q1784058","demoted_on":"2026-10-28","redated_from":"clm_C27B1CC98B2F","demoted_reason":"wikidata is an index, not a source: valid needs a primary source or two independent domains"},"valid_from":"1897-02-19","valid_to":null,"published":"2012-04-26","recorded":"2026-10-30","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-30T18:07:59.997317+00:00","updated_at":"2026-10-30T18:07:59.997317+00:00","sources":[{"url":"http://copyright.gov/circs/circ1a.html","tier":"primary","publisher":null,"published_at":null},{"url":"https://www.copyright.gov/docs/wipo2012.html","tier":"primary","publisher":"U.S. Copyright Office","published_at":"2012-04-26T00:00:00+00:00"},{"url":"https://www.copyright.gov/about/","tier":"primary","publisher":null,"published_at":null},{"url":"https://www.wikidata.org/wiki/Q1784058","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-30","quote":"February 19, 1897 Copyright Office established as a separate department of the Library of Congress. Position of Register of Copyrights created.","url":"https://www.copyright.gov/docs/wipo2012.html"},"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"}}}