@misc{kriebel2026_binary_directed_chip_firing_reachability,
  author = {Alec Kriebel},
  title = {CoNP-completeness of binary directed chip-firing reachability},
  year = {2026},
  doi = {10.5281/zenodo.23431676},
  url = {https://doi.org/10.5281/zenodo.23431676},
  note = {Unrefereed preprint, version 1.0; manuscript and declared Zenodo date 2026-10-15; Zenodo record created 2026-10-17}
}