Making the unmodulated pyramid wavefront sensor smart II. First on-sky demonstration of extreme adaptive optics with deep learning. - Rico Landman; Sebastiaan Y. Haffert; J. D. Long; J. R. Males; L. M. Close; W. B. Foster; K. Van Gorkom; O. Guyon; Alexander D. Hedglen; P. T. Johnson; M. Y. Kautz; J. K. Kueny; et al. (CoRR, 2025)