Watching, Reasoning, and Searching: A Video Deep Research Benchmark on Open Web for Agentic Video Reasoning | Chengwen Liu; Xiaomin Yu; Zhuoyue Chang; Zhe Huang; Shuo Zhang; Heng Lian; Kunyi Wang; Rui Xu; Sen Hu; Jianheng Hou; Hao Peng; Chengwei Qin; Xiaobin Hu; Hong Peng; Ronghao Chen; Huacan Wang | ResearchPod