CubeNexus is building the 4D data structure for spatial applications of Agentic AI. Our platform transforms unstructured sensor data - from SCADA, PMUs, LIDAR, IoT, GPS, cameras, satellite imagery, and more - into a unified spatiotemporal format called TULs (Time United Locations). TULs geocode every data point into precise volumetric cubes with 3D coordinates plus time, creating a 9-dimensional context layer that enables AI agents, anomaly detection, spatial clustering, predictive analytics, and natural-language querying across any sensor type. We deliver our technology as SaaS AI Agents, a Copilot, a Digital Twin, and an SDK, serving energy, aviation, defense, and infrastructure customers who need to make real-time decisions from complex spatial data.