@article{japanesechildrensriddlesasabenchmarkform,
  title = {The Metacognitive Bottleneck: Japanese Riddles Reveal Fundamental Limits of Machine Insight and Self-Evaluation in Reasoning AI},
  author = {Masaharu Mizumoto and Dat Nguyen and Zhiheng Han and Jiyuan Fang and Heyuan Guan and Xingfu Li and Naoya Shiraishi and Yo Nakawake and Le Minh Nguyen},
  year = {2025},
  eprint = {2509.14704},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.14704},
}