Sentinel is a solar-powered, cellular-connected sensor that lives in your back yard, sends a beautiful AI-written monthly report to your inbox, and quietly feeds the ArchipelAI world model with ground truth from your block. *Pre-order, releases Q1 2027.

Sentinel was designed to live outdoors for a decade. The same hardware sits at our airport, school, and hospital partners.
AI-written monthly report compared against 30 years of historicals at your exact coordinates.
Severe-weather alerts routed to your phone before NWS local broadcast.
Data anonymized & aggregated — your ground truth strengthens the model for everyone.