{"changes":[{"companyHref":"/c/quantstruct-com","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/quantstruct","domain":"quantstruct.com","fact":"provenance:description","name":"Quantstruct","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/quantstruct"},"old":{"publisher":"quantstruct.com","status":"self-reported","url":"https://quantstruct.com"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"quantstruct-com","status":"sourced","url":"https://whoraisedwhat.com/c/quantstruct-com"},{"companyHref":"/c/quantstruct-com","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/quantstruct","domain":"quantstruct.com","fact":"provenance:existence","name":"Quantstruct","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/quantstruct"},"old":{"publisher":"quantstruct.com","status":"self-reported","url":"https://quantstruct.com"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"quantstruct-com","status":"sourced","url":"https://whoraisedwhat.com/c/quantstruct-com"}],"country":"US","description":"AI documentation engineer – test & autoimprove stale product docs","domain":"quantstruct.com","employees":null,"founded":2024,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"ai","investors":[],"lat":37.787936,"lng":-122.40752,"location":"San Francisco, USA","name":"Quantstruct","rounds":[{"amountQuarantined":false,"amountUsd":1000000,"currency":"USD","date":"2025-01-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"yc","retrievedAt":"2026-06-14","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"quantstruct-com","sources":[{"fact":"round","publisher":"yc","retrievedAt":"2026-06-14","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/quantstruct"},{"fact":"description","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/quantstruct"}],"stage":"seed","techStack":["@sentry/browser","heroui","hsts","next.js","posthog-js","react","vercel","vercel speed insights"],"totalRaisedUsd":1000000,"updatedAt":"2026-06-14"}