Show HN: Undetectag, track stolen items with AirTag

I developed a device that turns an Airtag on and off at specific intervals. Current Airtags are detectable right away and cannot be used to track stolen property. That device allows you to hide an Airtag in your car, for example, and someone that steals your car will not be able to use some app to detect it. The Airtag will also not warn the thief of its presence. After some hours, the Airtag turns on again and you can find out its location. It’s not foolproof, as the timing has to be righ

Launch HN: Tinfoil (YC X25): Verifiable Privacy for Cloud AI

Hello HN! We’re Tanya, Sacha, Jules and Nate from Tinfoil: https://tinfoil.sh. We host models and AI workloads on the cloud while guaranteeing zero data access and retention. This lets us run open-source LLMs like Llama, or Deepseek R1 on cloud GPUs without you having to trust us—or any cloud provider—with private data.

Since AI performs better the more context you give it, we think solving AI privacy will unlock more valuable AI applications, just how TLS


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