Update README.md

README.md

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 # Tevatron/OmniEmbed-v0.1
 
 **OmniEmbed** is a powerful multi-modal embedding model built on [Qwen2.5-Omni-7B](https://huggingface.co/Qwen/Qwen2.5-Omni-7B) using our [Tevatron](https://github.com/texttron/tevatron/) toolkit—a unified toolkit across scale, language, and modality for document retrieval. 
-OmniEmbed generates unified embeddings across multilingual text, images, audio, and video, enabling effective cross-modal retrieval for diverse applications.
+OmniEmbed generates unified embeddings across multilingual text, images, audio, and video, enabling effective cross-modal retrieval for diverse applications. [Paper](https://arxiv.org/pdf/2505.02466v1).
 
 📝 Text   🖼️ Image   🎧 Audio   🎥 Video   🌐 Multilingual