A1: A Fully Transparent Open-Source, Adaptive and Efficient Truncated Vision-Language-Action Model. - Kaidong Zhang; Jian Zhang; Rongtao Xu; Yu Sun; Shuoshuo Xue; Youpeng Wen; Xiaoyu Guo; Minghao Guo; Weijia Liufu; Liu Zihou; Kangyi Ji; Yangsong Zhang 002; et al. (CoRR, 2026)