Cosmological Hydrodynamics at Exascale: A Trillion-Particle Leap in Capability. - Nicholas Frontiere; J. D. Emberson; Michael Buehlmann; Esteban M. Rangel; Salman Habib 002; Katrin Heitmann; Patricia Larsen; Vitali A. Morozov; Adrian Pope; Claude-André Faucher-Giguère; Antigoni Georgiadou; Damien Lebrun-Grandié; et al. (CoRR, 2025)