Open Data from LIGO, Virgo, and KAGRA through the First Part of the Fourth Observing Run - Abac, A G; Abac, A G; Abouelfettouh, I; Abouelfettouh, I; Acernese, F; Acernese, F; Ackley, K; Ackley, K; Adamcewicz, C; Adamcewicz, C; Adhicary, S; Adhicary, S; et al. (ASTROPHYSICAL JOURNAL, 2026)