@misc{exoticaffinethreespheres2026,
  title        = {Exotic affine three-spheres and the quadratic–cubic obstruction},
  author       = {OpenAI Codex / Anthropic models},
  year         = {2026},
  doi          = {10.5281/zenodo.21647607},
  url          = {https://doi.org/10.5281/zenodo.21647607},
  version      = {0.1-candidate (v0.1.1 'citation robustness' archived as 10.5281/zenodo.21653108)},
  howpublished = {Zenodo},
  note         = {Unrefereed; internally replayed evidence package. Press page: https://evidence-press.pages.dev/releases/exotic-affine-three-spheres/}
}