{"changes":[{"companyHref":"/c/fulcrumresearch-ai","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/fulcrum","domain":"fulcrumresearch.ai","fact":"provenance:description","name":"Fulcrum","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/fulcrum"},"old":{"publisher":"fulcrumresearch.ai","status":"self-reported","url":"https://fulcrumresearch.ai"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"fulcrumresearch-ai","status":"sourced","url":"https://whoraisedwhat.com/c/fulcrumresearch-ai"},{"companyHref":"/c/fulcrumresearch-ai","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/fulcrum","domain":"fulcrumresearch.ai","fact":"provenance:existence","name":"Fulcrum","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/fulcrum"},"old":{"publisher":"fulcrumresearch.ai","status":"self-reported","url":"https://fulcrumresearch.ai"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"fulcrumresearch-ai","status":"sourced","url":"https://whoraisedwhat.com/c/fulcrumresearch-ai"}],"country":"US","description":"The agentic debugger for AI systems","domain":"fulcrumresearch.ai","employees":null,"founded":2025,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"ai","investors":[],"lat":null,"lng":null,"location":null,"name":"Fulcrum","rounds":[{"amountQuarantined":false,"amountUsd":1000000,"currency":"USD","date":"2025-06-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"yc","retrievedAt":"2026-05-21","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"fulcrumresearch-ai","sources":[{"fact":"round","publisher":"yc","retrievedAt":"2026-05-21","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/fulcrum"},{"fact":"description","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/fulcrum"}],"stage":"seed","techStack":["GitHub Pages","Google Analytics","Google Tag Manager","Fastly","Jekyll 3.10.0","DoubleClick Floodlight","Varnish","WordPress","Ruby","PHP","MySQL"],"totalRaisedUsd":1000000,"updatedAt":"2026-05-21"}