{"changes":[{"companyHref":"/c/projectchiron-org","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/chiron","domain":"projectchiron.org","fact":"provenance:existence","name":"Chiron","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/chiron"},"old":{"publisher":"projectchiron.org","status":"self-reported","url":"https://projectchiron.org"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"projectchiron-org","status":"sourced","url":"https://whoraisedwhat.com/c/projectchiron-org"}],"country":"US","description":"Chiron is an iPad app that checks mathematical work in real time as students write, working like a grammar checker for math. It serves students learning math who want immediate feedback on equations and symbolic logic. Validation happens as you write rather than after submission, catching errors mid-derivation.","domain":"projectchiron.org","employees":null,"founded":2025,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"devtools","investors":[],"lat":37.787936,"lng":-122.40752,"location":"San Francisco, CA, USA","name":"Chiron","rounds":[{"amountQuarantined":false,"amountUsd":1000000,"currency":"USD","date":"2025-04-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"yc","retrievedAt":"2026-05-02","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"projectchiron-org","sources":[{"fact":"round","publisher":"yc","retrievedAt":"2026-05-02","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/chiron"},{"fact":"description","publisher":"projectchiron.org","retrievedAt":"2026-05-02","status":"self-reported","url":"https://projectchiron.org"}],"stage":"seed","techStack":["Vercel","HubSpot","SvelteKit","Svelte"],"totalRaisedUsd":1000000,"updatedAt":"2026-05-02"}