Update walrus post with paper link

Author: mikemccabe210

_posts/2025-11-19-walrus.md

@@ -9,7 +9,7 @@ image: walrus-splash.jpg
 blurb: Bulking up foundation models for fluid-like physics with bigger models and more diverse pretraining.
 shortblurb: Bulking up foundation models for fluid-like physics with bigger models and more diverse pretraining.
 splashimage: /images/blog/walrus-splash.jpg
-link: https://arxiv.org/abs/2510.17960
+link: http://arxiv.org/abs/2511.15684
 github_link: https://github.com/PolymathicAI/walrus
 permalink: /blog/walrus/
 ---
@@ -118,6 +118,7 @@ Walrus is entirely open - model and training code. You can get started here:
 * **API & code:** [Walrus Code](https://github.com/PolymathicAI/walrus)
 * **Model weights:** [Hugging Face](https://huggingface.co/polymathic-ai/walrus)
 * **Tutorial:** [Walrus Tutorial](https://github.com/PolymathicAI/walrus/tree/main/demo_notebooks)
+* **Paper:** [Walrus: A Cross-domain Foundation Model for Continuum Dynamics](http://arxiv.org/abs/2511.15684)  
 
 *-- Sophie Barstein, Michael McCabe*