Update Arxiv link

README.md

@@ -54,11 +54,12 @@ If you find DeFM useful for your research, please cite our paper:
 
 ```
 @misc{patel2026defm,
-  title         = {DeFM: Learning Foundation Representations from Depth for Robotics},
-  author        = {Patel, Manthan and Frey, Jonas and Mittal, Mayank and Yang, Fan and Hansson, Alexander and Bar, Amir and Cadena, Cesar and Hutter, Marco},
-  year          = {2026},
-  archivePrefix = {arXiv},
-  eprint        = {XXXX.XXXXX},
-  primaryClass  = {cs.RO}
+      title={DeFM: Learning Foundation Representations from Depth for Robotics}, 
+      author={Manthan Patel and Jonas Frey and Mayank Mittal and Fan Yang and Alexander Hansson and Amir Bar and Cesar Cadena and Marco Hutter},
+      year={2026},
+      eprint={2601.18923},
+      archivePrefix={arXiv},
+      primaryClass={cs.RO},
+      url={https://arxiv.org/abs/2601.18923}, 
 }
 ```