| payload |
{"created_at":"2026-04-18T03:05:05.644 {"created_at":"2026-04-18T03:05:05.644967+00:00","signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","url":"https://www.sec.gov/Archives/edgar/data/1835724/0001104659-26-044609.txt","value":{"company":"Zhihu Inc.","form_type":"6-K","fp":"efc1b1d5b8791e2a","kind":"sec_filing","published_at":"20260417","source":"sec_edgar","summary":"Form 6-K \u00b7 Zhihu Inc. \u00b7 Filed 20260417","ticker":"ZHIHF","tickers":["ZHIHF"],"title":"ZHIHF filed 6-K","url":"https://www.sec.gov/Archives/edgar/data/1835724/0001104659-26-044609.txt"}}... |