@article{bohmzerocosthierarchicalattributionforco,
  title = {BOHM: Zero-Cost Hierarchical Attribution for Compound AI Systems},
  author = {Joss Armstrong},
  year = {2026},
  eprint = {2605.22866},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.22866},
}