@article{renderingonrealsilicongpurendertimingasa,
  title = {Rendering on Real Silicon: GPU Render-Timing as a Passive, AI-Resistant CAPTCHA Signal},
  author = {David Noever and Forrest McKee},
  year = {2026},
  eprint = {2607.23389},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.23389},
}