# [A CH obstruction to a prescribed categoricity threshold](paper.pdf)

**Author:** OpenAI  
**Date:** September 24, 2026

## Citation

```bibtex
@misc{OAI:A-CH-Obstruction-to-a-Prescribed-Categoricity-Threshold-September-24-2026,
  author = {{OpenAI}},
  title = {{A CH obstruction to a prescribed categoricity threshold}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/A-CH-Obstruction-to-a-Prescribed-Categoricity-Threshold-September-24-2026/paper.pdf}{OAI:A-CH-Obstruction-to-a-Prescribed-Categoricity-Threshold-September-24-2026}},
  year = {2026}
}
```