diff --git a/CITATION.cff b/CITATION.cff
index 072f061..6cbc76c 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,10 +8,11 @@ authors:
     email: wangxk0223@gmail.com
   - family-names: Hao
     given-names: Zhuoyuan
-    affiliation: Tsinghua University
+    affiliation: Harbin Institute of Technology, Shenzhen
+    website: "https://hhh2210.github.io/"
   - family-names: Hou
     given-names: Shuo
-    affiliation: Tsinghua University
+    affiliation: Xi'an Jiaotong University
   - family-names: Peng
     given-names: Hao
     affiliation: Tsinghua University
@@ -25,4 +26,35 @@ authors:
 date-released: "2026-06-03"
 license: Apache-2.0
 repository-code: https://github.com/THUAIS-Lab/CHERRL
-# url: https://arxiv.org/abs/TODO  # fill in once posted
+url: https://arxiv.org/abs/2606.04923
+identifiers:
+  - type: doi
+    value: 10.48550/arXiv.2606.04923
+    description: arXiv DOI for the paper
+preferred-citation:
+  type: article
+  title: "Reproducing, Analyzing, and Detecting Reward Hacking in Rubric-Based Reinforcement Learning"
+  authors:
+    - family-names: Wang
+      given-names: Xuekang
+      affiliation: Tsinghua University
+    - family-names: Hao
+      given-names: Zhuoyuan
+      affiliation: Harbin Institute of Technology, Shenzhen
+      website: "https://hhh2210.github.io/"
+    - family-names: Hou
+      given-names: Shuo
+      affiliation: Xi'an Jiaotong University
+    - family-names: Peng
+      given-names: Hao
+      affiliation: Tsinghua University
+    - family-names: Li
+      given-names: Juanzi
+      affiliation: Tsinghua University
+    - family-names: Wang
+      given-names: Xiaozhi
+      affiliation: Tsinghua University
+  journal: arXiv
+  year: 2026
+  doi: 10.48550/arXiv.2606.04923
+  url: https://arxiv.org/abs/2606.04923
diff --git a/README.md b/README.md
index 4d23d0a..20d1872 100644
--- a/README.md
+++ b/README.md
@@ -4,17 +4,20 @@
 
 Official code for the paper **[Reproducing, Analyzing, and Detecting Reward Hacking in Rubric-Based Reinforcement Learning](https://arxiv.org/abs/2606.04923)**.
 
-Xuekang Wang<sup>\*</sup>, Zhuoyuan Hao<sup>\*</sup>, Shuo Hou, Hao Peng, Juanzi Li, Xiaozhi Wang<sup>†</sup>
+Xuekang Wang<sup>1,\*</sup>, [Zhuoyuan Hao](https://hhh2210.github.io/)<sup>2,\*</sup>, Shuo Hou<sup>3</sup>, Hao Peng<sup>1</sup>, Juanzi Li<sup>1</sup>, Xiaozhi Wang<sup>1,†</sup>
 
-Tsinghua University
+<sup>1</sup>Tsinghua University &nbsp; <sup>2</sup>Harbin Institute of Technology, Shenzhen &nbsp; <sup>3</sup>Xi'an Jiaotong University
 
 <sup>\*</sup> Equal contribution &nbsp;&nbsp;·&nbsp;&nbsp; <sup>†</sup> Corresponding author
 
 [![arXiv](https://img.shields.io/badge/arXiv-2606.04923-b31b1b.svg)](https://arxiv.org/abs/2606.04923)
+[![DOI](https://img.shields.io/badge/DOI-10.48550%2FarXiv.2606.04923-blue.svg)](https://doi.org/10.48550/arXiv.2606.04923)
 [![HF Paper](https://img.shields.io/badge/Hugging%20Face-Paper-yellow?logo=huggingface&logoColor=white)](https://huggingface.co/papers/2606.04923)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
 [![Code](https://img.shields.io/badge/Code-THUAIS--Lab%2FCHERRL-181717.svg?logo=github)](https://github.com/THUAIS-Lab/CHERRL)
 
+[Readable project summary and author context](https://hhh2210.github.io/projects/cherrl/)
+
 </div>
 
 ---