README: link the paper (arXiv, HF paper page), code and project page

README.md

@@ -17,5 +17,20 @@ simulated observation, produced by a world-model agent that consults a **worldbo
 Terminal-Bench 2.0 traces and a persistent episode state, verified and committed by the runtime harness.
 
 Free play runs on the Space's own key: 20 actions per visitor and 2000 in total. With your own OpenRouter key, entered on the
-page and held in memory only (never stored), there is no limit. Paper: *From Traces to Agentic Worlds: Agentic
-Language World Models for Interactive Environment Simulation* (arXiv 2610.06100). Code: https://github.com/ruyue0001/trace2env
+page and held in memory only (never stored), there is no limit.
+
+## Paper and code
+
+- **Paper:** *From Traces to Agentic Worlds: Agentic Language World Models for Interactive Environment Simulation*
+  — [arXiv:2610.06100](https://arxiv.org/abs/2610.06100) · [Hugging Face paper page](https://huggingface.co/papers/2610.06100)
+- **Code:** https://github.com/ruyue0001/trace2env · **Project page:** https://quanyulong.net/trace2env/
+- The `worldbook/` directory of this Space is the frozen Terminal worldbook used in the paper.
+
+```bibtex
+@article{long2026agenticworlds,
+  title={From Traces to Agentic Worlds: Agentic Language World Models for Interactive Environment Simulation},
+  author={Long, Quanyu and Chen, Xiao and Chen, Jianda and Zhang, Haozhen and Hu, Qisheng and Bao, Jianzhu and Wang, Wenya},
+  journal={arXiv preprint arXiv:2610.06100},
+  year={2026}
+}
+```