{"certificate":{"v":1,"subject":"www.nist.gov","certified":true,"report":"https://crawlcheck.io/r/zqckp669n1","record":"zqckp669n1","manifest":"7e1ed23d7ce5686295a3afc9ad6ac7411dc62339b056674a5c62efcf92e79385","measured_at":"2026-10-25T18:17:18.669Z","issued_at":"2026-10-25T19:01:18.365Z","expires_at":"2026-11-01T18:17:18.669Z","rule_pack":"sv34","criteria":[{"id":"fresh","ok":true},{"id":"current_rules","ok":true},{"id":"answered","ok":true},{"id":"crawlers_reach","ok":true},{"id":"no_serious","ok":true},{"id":"robots_sound","ok":true},{"id":"evidence","ok":true}],"status":"https://crawlcheck.io/api/v1/certificate/status?domain=nist.gov&record=zqckp669n1"},"signature":{"alg":"Ed25519","kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","message_prefix":"crawlcheck-certificate-v1\\n","signed":"prefix + canonical JSON of certificate (keys sorted, no whitespace)","sig":"9WmMbVzimuu33Ym5rbTz4yfUoIGprTzLjID9W4qLBaT0jPo0u7Ovrqu7G8UWS4QPLA0BROUzoKv4o_PSuKORAQ","key_directory":"https://crawlcheck.io/.well-known/http-message-signatures-directory"},"criteria":[{"id":"fresh","label":"Measured in the last 7 days","ok":true,"why":"measured 0 days ago"},{"id":"current_rules","label":"Scored under the current rule pack","ok":true,"why":"record sv34, current sv34"},{"id":"answered","label":"The site answered CrawlCheck","ok":true,"why":"homepage answered"},{"id":"crawlers_reach","label":"Every crawler the site allows reached the page","ok":true,"why":"14 of 14 answered"},{"id":"no_serious","label":"No high or critical finding","ok":true,"why":"5 finding(s), none high or critical"},{"id":"robots_sound","label":"robots.txt is served and means what it says","ok":true,"why":"no robots.txt defect"},{"id":"evidence","label":"The evidence is kept and signed","ok":true,"why":"manifest 7e1ed23d7ce5… signed by 1hHmE3fo1r…"}],"page":"https://crawlcheck.io/certificate/nist.gov","seal":"https://crawlcheck.io/certificate/nist.gov.svg","history":{"since":"2026-10-03","from":"2026-09-24","measurements":9,"days_tracked":23,"days_certified":22,"days_not_certified":0,"days_unmeasured":1,"streak_days":13,"recent":[{"day":"2026-10-03","state":"certified"},{"day":"2026-10-04","state":"certified"},{"day":"2026-10-05","state":"certified"},{"day":"2026-10-06","state":"certified"},{"day":"2026-10-07","state":"certified"},{"day":"2026-10-08","state":"certified"},{"day":"2026-10-09","state":"certified"},{"day":"2026-10-10","state":"certified"},{"day":"2026-10-11","state":"certified"},{"day":"2026-10-12","state":"unmeasured"},{"day":"2026-10-13","state":"certified"},{"day":"2026-10-14","state":"certified"},{"day":"2026-10-15","state":"certified"},{"day":"2026-10-16","state":"certified"},{"day":"2026-10-17","state":"certified"},{"day":"2026-10-18","state":"certified"},{"day":"2026-10-19","state":"certified"},{"day":"2026-10-20","state":"certified"},{"day":"2026-10-21","state":"certified"},{"day":"2026-10-22","state":"certified"},{"day":"2026-10-23","state":"certified"},{"day":"2026-10-24","state":"certified"},{"day":"2026-10-25","state":"certified"}]},"note":"a certificate states measured conformance on one day; it is free, never sold, never a grade, and says nothing about the business beyond what a crawler received"}