@unpublished{kosarevsky2026positive,
  author = {Kosarevsky, Dmitry},
  title = {Positive Factorization and a Zero-Energy Resonance of the Schwinger-Coupled Wormhole Mouth},
  year = {2026},
  note = {Unpublished manuscript; arXiv endorsement pending as of 22 October 2026},
  url = {https://blackhole.kosarevsky.dev/papers/paper-01.pdf}
}