@article{thelastfingerprinthowmarkdowntrainingsha,
  title = {The Last Fingerprint: How Markdown Training Shapes LLM Prose},
  author = {E. M. Freeburg},
  year = {2026},
  eprint = {2603.27006},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.27006},
}