Update README.md

README.md

@@ -1,3 +1,8 @@
+---
+license: apache-2.0
+language:
+- en
+---
 <h1 align="center">Causal World Modeling for Robot Control</h1>
 
 
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 #  Model Sources
 
 - **Repository:** [https://github.com/Robbyant/lingbot-va](https://github.com/Robbyant/lingbot-va)
-- **Paper:** [Causal World Modeling for Robot Control](https://technology.robbyant.com/lingbot-va)
+- **Paper:** [https://arxiv.org/abs/2601.21998](https://arxiv.org/abs/2601.21998)
 - **Project Page:** [https://technology.robbyant.com/lingbot-va](https://technology.robbyant.com/lingbot-va)
 
 ---
@@ -37,7 +42,7 @@
 @article{lingbot-va2026,
   title={Causal World Modeling for Robot Control},
   author={Li, Lin and Zhang, Qihang and Luo, Yiming and Yang, Shuai and Wang, Ruilin and Han, Fei and Yu, Mingrui and Gao, Zelin and Xue, Nan and Zhu, Xing and Shen, Yujun and Xu, Yinghao},
-  journal={arXiv preprint arXiv:[xxxx]},
+  journal={arXiv preprint arXiv:2601.21998},
   year={2026}
 }
 ```
@@ -60,5 +65,4 @@ This work builds upon several excellent open-source projects:
 For questions, discussions, or collaborations:
 
 <!-- - **Issues**: Open an [issue](https://github.com/robbyant/lingbot-depth/issues) on GitHub
-- **Email**: Contact Dr. [Bin Tan](https://https://icetttb.github.io/) (tanbin.tan@antgroup.com) or Dr. [Nan Xue](https://xuenan.net) (xuenan.xue@antgroup.com) -->
-
+- **Email**: Contact Dr. [Bin Tan](https://https://icetttb.github.io/) (tanbin.tan@antgroup.com) or Dr. [Nan Xue](https://xuenan.net) (xuenan.xue@antgroup.com) -->