Model card: link the arXiv report (2609.04540), add citation

README.md

@@ -1,6 +1,8 @@
 ---
 license: apache-2.0
 pipeline_tag: tabular-classification
+tags:
+- arxiv:2609.04540
 ---
 
 # Mitra-v2 Classifier
@@ -74,7 +76,18 @@ This project is licensed under the Apache-2.0 License.
 
 ## Reference
 
-[Mitra-v2 Technical Report](https://huggingface.co/autogluon/mitra-finetune/blob/main/Mitra_v2_Technical_Report.pdf) (Amazon, 2026). The arXiv link will be added once the report is public.
+[Mitra-v2 Technical Report](https://arxiv.org/abs/2609.04540) (Amazon, 2026), also available on the [Hub](https://huggingface.co/autogluon/mitra-finetune/blob/main/Mitra_v2_Technical_Report.pdf).
+
+```
+@article{mitrav2_2026,
+  title={{Mitra-v2} Technical Report},
+  author={Tao, Yefan and Zhang, Xiyuan and Liu, Xinyi and Han, Boran and Maddix, Danielle and Fang, Haoyang and Han, Zhen and Gai, Jiading and Liu, Xuanqing and Bohlke-Schneider, Michael and Wang, Yuyang (Bernie) and Friedland, Gerald and Mah, Kevan and Lee, Chris and Kong, Chris},
+  journal={arXiv preprint arXiv:2609.04540},
+  year={2026}
+}
+```
+
+The original Mitra:
 
 ```
 @article{zhang2025mitra,