@article{descentbeforehardnessorbitgapobstruction,
  title = {Descent Before Hardness: Orbit-Gap Obstructions in Exact Certification},
  author = {Tristan Simas},
  year = {2026},
  eprint = {2604.07349},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.07349},
}