The neural network first-level hardware track trigger of the Belle II experiment. - Bähr, S.; Bae, H.; Becker, J.; Bertemes, M.; Campajola, M.; Ferber, T.; Forsthofer, T.; Hiesl, S.; Inguglia, G.; Iwasaki, Y.; Jülg, T.; Kiesling, C.; et al. (Nuclear Instruments & Methods in Physics Research Section A, 2025)