Update README.md

Added White Paper link

README.md

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 # **Cosmos-Policy-RoboCasa-Predict2-2B**
 
-[**Cosmos Policy**](https://huggingface.co/collections/nvidia/cosmos-policy) | [**Code**](http://github.com/NVlabs/cosmos-policy) | **White Paper Coming Soon** | [**Website**](https://research.nvidia.com/labs/dir/cosmos-policy/)
+[**Cosmos Policy**](https://huggingface.co/collections/nvidia/cosmos-policy) | [**Code**](http://github.com/NVlabs/cosmos-policy) | [**White Paper**](https://arxiv.org/abs/2601.16163)| [**Website**](https://research.nvidia.com/labs/dir/cosmos-policy/)
 
 # Model Overview
 
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 - **Base Model**: [Cosmos-Predict2-2B-Video2World](https://huggingface.co/nvidia/Cosmos-Predict2-2B-Video2World)
 - **Training Dataset**: [RoboCasa-Cosmos-Policy](https://huggingface.co/datasets/nvidia/RoboCasa-Cosmos-Policy)
-- **Paper**: *Cosmos Policy: Fine-Tuning Video Models for Visuomotor Control and Planning*
+- **Paper**: [Cosmos Policy: Fine-Tuning Video Models for Visuomotor Control and Planning](https://arxiv.org/abs/2601.16163)
 - **Original RoboCasa**: [RoboCasa: Large-Scale Simulation of Everyday Tasks for Generalist Robots](https://arxiv.org/abs/2406.02523)
 
 ## Citation