Update README.md

README.md

@@ -1,3 +1,34 @@
----
-license: mit
----
+---
+license: mit
+tags:
+- robotics
+---
+
+# RoboArena Dataset Snapshot — 2026‑02‑03
+
+This dataset contains autonomous policy rollouts, task success scores, policy preference annotations, and related metadata collected by the [RoboArena benchmark](https://robo-arena.github.io/) from its inception through February 3, 2026.
+
+## Data layout
+
+```text
+DataDump_02-03-2026/
+├── global_metadata.yaml
+└── evaluation_sessions/
+    ├── <eval_session_id_0>/
+    │   └── …
+    ├── <eval_session_id_1>/
+    │   └── …
+    └── <eval_session_id_n>/
+        ├── metadata.yaml
+        ├── A_<policy_A_name>/
+        │   ├── left_shoulder.mp4
+        │   ├── right_shoulder.mp4
+        │   ├── wrist.mp4
+        │   └── proprio_and_actions.npz
+        ├── B_<policy_B_name>/
+        │   └── …
+        └── C_<policy_C_name>/   # If more than two policies
+            └── …
+```
+
+For more details, see **“RoboArena: Distributed Real-World Evaluation of Generalist Robot Policies,”** [arXiv:2506.18123](https://arxiv.org/pdf/2506.18123).