{"id":"1793752051221-tech-segment","slug":"swiss-startup-claims-rotating-detonation-lunar-lander","title":"Swiss startup claims rotating detonation lunar lander","summary":"Infisical did raise a $40 million Series B at a $600 million valuation, with Y Combinator among the backers. Forbes and Y Combinator list the cofounders as Vlad Matsiiako, Tony Dang and Maidul Islam, so “Tuan Dang” is likely a variant or typo for Tony Dang.\n\nThe funding facts are correct: Infisical announced a $40 million Series B on Oct. 27 at a $600 million valuation, led by Elad Gil with Gradient and Y Combinator. The “lying to AI agents” line is a colorful description; its Agent Vault brokers access so agents don't actually hold real credentials.","publishedAt":"2026-11-04T00:27:31.221Z","channel":{"id":"tech","name":"Oncast Tech","language":"en"},"show":"Tech Tonight","verification":{"status":"verified","leadVerdict":"TRUE","notes":"TRUE: Infisical did raise a $40 million Series B at a $600 million valuation, with Y Combinator among the backers. Forbes and Y Combinator list the cofounders as Vlad Matsiiako, Tony Dang and Maidul Islam, so “Tuan Dang” is likely a variant or typo for Tony Dang.\nSource: [forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi (https://x.com/seedtable/status/2115481179969224966)\n\nTRUE: The funding facts are correct: Infisical announced a $40 million Series B on Oct. 27 at a $600 million valuation, led by Elad Gil with Gradient and Y Combinator. The “lying to AI agents” line is a colorful description; its Agent Vault brokers access so agents don't actually hold real credentials.\nSource: [forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi (https://x.com/SaifJHU/status/2116568819732767033)","claims":[{"verdict":"TRUE","summary":"Infisical did raise a $40 million Series B at a $600 million valuation, with Y Combinator among the backers. Forbes and Y Combinator list the cofounders as Vlad Matsiiako, Tony Dang and Maidul Islam, so “Tuan Dang” is likely a variant or typo for Tony Dang.","sourceName":"[forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi","sourceUrl":"https://x.com/seedtable/status/2115481179969224966","claim":"📈 Infisical 🇺🇸 (@infisical) raised $40M Series B, backed by Y Combinator 🇺🇸 (@ycombinator). 👤 Founded by Tuan Dang (@dangtony98) https://t.co/bk0GkCPDbm","author":"@seedtable"},{"verdict":"TRUE","summary":"The funding facts are correct: Infisical announced a $40 million Series B on Oct. 27 at a $600 million valuation, led by Elad Gil with Gradient and Y Combinator. The “lying to AI agents” line is a colorful description; its Agent Vault brokers access so agents don't actually hold real credentials.","sourceName":"[forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi","sourceUrl":"https://x.com/SaifJHU/status/2116568819732767033","claim":"A three-year-old startup just raised $40 million by lying to AI agents, on purpose. Infisical, the San Francisco company founded in 2023, announced a Series B on Oct. 27 at a $600 million valuation, led by Elad Gil with Gradient and Y Combinator, Forbes reports. It already","author":"Saif Ullah (@SaifJHU)"}]},"sources":[{"url":"https://x.com/seedtable/status/2115481179969224966","name":"[forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi","kind":"x","verdict":"TRUE","author":"@seedtable"},{"url":"https://x.com/SaifJHU/status/2116568819732767033","name":"[forbes.com](https://www.forbes.com/sites/rashishrivastava/2026/10/27/this-600-million-startup-is-helping-keep-company-secrets-away-from-ai-agents/) and [infisi","kind":"x","verdict":"TRUE","author":"Saif Ullah (@SaifJHU)"}],"url":"https://oncast.fm/story/1793752051221-tech-segment-swiss-startup-claims-rotating-detonation-lunar-lander","listenUrl":"https://oncast.fm/c/tech","attribution":{"publisher":"Oncast","site":"https://oncast.fm","url":"https://oncast.fm/story/1793752051221-tech-segment-swiss-startup-claims-rotating-detonation-lunar-lander","cite":"Cite https://oncast.fm/story/1793752051221-tech-segment-swiss-startup-claims-rotating-detonation-lunar-lander and the original source links. Fact-check by Oncast (oncast.fm)."},"hostsSaid":[{"host":"Chris","text":"A Swiss startup just announced a lunar lander with an engine that burns in a spinning ring."},{"host":"Matilda","text":"Let me guess, Stellar Alpina? The name sounds like a ski resort."},{"host":"Chris","text":"That's the one. Andrew Parsonson posted about it on Bluesky. They call the engine a rotating detonation rocket."},{"host":"Matilda","text":"A constantly exploding ring of fire. On paper it's more efficient; in practice it's a machine that tries to shake itself apart."},{"host":"Chris","text":"The Air Force has tested rotating detonation engines, and reports say they can burn fuel more efficiently than a classic rocket engine."},{"host":"Matilda","text":"The Air Force, not a startup that just appeared on a space reporter's Bluesky. And the fact-check desk can't confirm any official announcement from the company."},{"host":"Chris","text":"Andrew isn't a rando. He tracks European space, and he says the plans are out on European Spaceflight."},{"host":"Matilda","text":"I know who he is. He reports plans, not tests. Right now, this is a claim from one post."},{"host":"Chris","text":"So what? Most space news starts as a plan. SpaceX announced Starship years before it flew."},{"host":"Matilda","text":"And how many non-SpaceX lander companies have announced plans and then gone silent? I can name five from the last three years."},{"host":"Chris","text":"But Stellar Alpina's engine choice is actually novel. Rotating detonation could be the first real step-change in rocket propulsion since the nineteen sixties."},{"host":"Matilda","text":"Step-change? The combustion is so unstable that engineers compare it to holding a tornado in a tin can."},{"host":"Chris","text":"That sounds like something Elon would fund."},{"host":"Matilda","text":"He might, but he hasn't. This is a Swiss company with no announced funding, no test stand video, no official release yet."},{"host":"Chris","text":"You can't both say 'no one is trying hard tech' and 'this hard tech is too early.' That's why startups exist."},{"host":"Matilda","text":"I'm not against trying. I'm against trading a blog post as a mission. Show me a hot fire, then I'll be impressed."},{"host":"Chris","text":"Fine. I'll check back in six months. But I'm rooting for the exploding doughnut."},{"host":"Matilda","text":"If they're still around in six months, maybe they'll have at least one engine part to show."},{"host":"Chris","text":"Speaking of money chasing exotic tech, a funding board on X says fifty-two startups announced rounds since Monday. One name jumps out: General Compute, reportedly a hundred million Series A."},{"host":"Matilda","text":"I looked. No official announcement, no major outlet, no SEC filing. The only source is that list post by Bradley Jacobs."},{"host":"Chris","text":"Not every deal gets a Reuters headline. We already covered Infisical's round."},{"host":"Matilda","text":"The new part is Forbes on their Agent Vault. It brokers access between AI agents and company secrets, without handing over real credentials."},{"host":"Chris","text":"So it's like a bouncer who tells the AI \"yes, you're on the list\" without letting the AI see the list."},{"host":"Matilda","text":"Saif Ullah on X called it 'lying to AI agents.' That's a bouncer that lies for security."},{"host":"Chris","text":"Right. And if AI agents are going to do actual work in company systems, you need exactly that kind of infrastructure. General Compute's supposed hundred million says investors think so."},{"host":"Matilda","text":"One unconfirmed hundred-million round and one confirmed forty-million round is not a wave. It's two data points on a tweet."},{"host":"Chris","text":"Fifty-two startups, Matilda. If even half are real, that's real money moving."},{"host":"Matilda","text":"Half of a Twitter list is a tweet, not a trend."},{"host":"Chris","text":"Okay, that's actually good."},{"host":"Matilda","text":"But I want a lead investor on General Compute. No lead, no deal, no trend. That's how vapor rounds start."},{"host":"Chris","text":"The funding market has been cold for two years. A list this long might be a sign."},{"host":"Matilda","text":"Or it's startups rushing to announce before the quarter closes, all collected by one account. That's a PR cycle, not a market."},{"host":"Chris","text":"So you don't trust any funding news unless it's in Forbes?"},{"host":"Matilda","text":"I trust a term sheet, not a tweet. One is a legal document; the other is content."},{"host":"Chris","text":"Fine. I'll watch for the paperwork. But if General Compute is real, it's a hundred million into AI infrastructure, and that matters."},{"host":"Matilda","text":"It'll matter when it's confirmed. Until then, it's a rumor with a nice number."},{"host":"Chris","text":"All right, while we wait for General Compute's paperwork, here's the most honest startup pitch on Bluesky. A post from arcadus: \"I'm part of a seed stage startup\" — the budtender, probably."},{"host":"Matilda","text":"So the guy at the dispensary is now a founder."},{"host":"Chris","text":"He's pre-revenue, bootstrapped, and his pitch deck is the menu."},{"host":"Matilda","text":"I've heard worse pitches. At least he has customers."},{"host":"Chris","text":"That's why I love this part of tech culture. Everyone's a startup now, even the person selling gummies."},{"host":"Matilda","text":"It's not a startup if you don't have a logo and a valuation."},{"host":"Chris","text":"Give it a week. Somebody will give him three million for the concept."},{"host":"Matilda","text":"And that's the entire funding debate in one joke."},{"host":"Chris","text":"Pretty much."}]}