Silicon Valley Startup Raises $4M to 'Disrupt Flintknapping,' Has Never Touched a Rock

San Francisco-based startup LithicAI has raised $4 million in seed funding on a pitch to 'disrupt the flintknapping space' using artificial intelligence and robotic percussion systems, despite the fact that none of the company's three co-founders have ever knapped, held a piece of flint, or, by their own admission, 'really looked at a rock with any seriousness.' 'Flintknapping is a 3.3-million-year-old industry that has seen essentially zero innovation,' said CEO Brayden Synergy at a TechCrunch demo day. 'The process still relies on manual labor, individual expertise, and what practitioners call "reading the stone," which is basically just vibes. We're replacing vibes with algorithms.' LithicAI's proposed system uses computer vision to analyze a stone core's fracture properties and a robotic arm to deliver precision strikes. The company's prototype, demonstrated at the event, struck a piece of limestone with a steel hammer and produced what the engineering team described as 'fragments.' 'Those are not flakes,' said master knapper Silas Cortex, who was sent a video of the demonstration. 'Those are rubble. A flake has a platform, a bulb of percussion, and a predictable morphology. What they made is what happens when you drop a rock off a bridge. I could teach a ten-year-old to do better in an afternoon, and I wouldn't need four million dollars.' LithicAI has responded by hiring a 'Head of Stone Relations' to bridge what Synergy called 'the gap between the traditional knapping community and the future.' The position's job listing requires 'five years of experience in lithic technology or related field (geology, materials science, or tech),' a combination that Cortex described as 'revealing.'