Change readme to inform about current downtime

README.md

@@ -5,6 +5,9 @@ tags:
 size_categories:
 - 100K<n<1M
 ---
+
+# THE DATASET WILL BE DOWN FOR A FEW HOURS TODAY (10TH SEPTEMBER 2025) BECAUSE WE ARE FIXING A BUG AND CHANGING THE DATA TO BE CONSISTENT WITH THE RANDOM SEEDS OF THE FULL DATASET.
+
 # COLLIDE-1M: COmprehensive Lhc coLlision Dataset for Foundation model dEvelopment (1 Million)
 
-See [COLLIDE2V_example_notebook.ipynb](./COLLIDE2V_example_notebook.ipynb) for a quick demo, showing how to load the dataset and inspect its contents.
+See [COLLIDE2V_example_notebook.ipynb](./COLLIDE2V_example_notebook.ipynb) for a quick demo, showing how to load the dataset and inspect its contents.