Update README.md

README.md

@@ -124,4 +124,8 @@ Computing resources were generously provided by:
 * Oak Ridge Leadership Computing Facility (ORNL)
 
 ## License
-This dataset is provided under the permissive open-source **CC-BY-4.0** license. Users are free to share and adapt the material for any purpose, even commercially, provided appropriate credit is given to the original authors.
+This dataset is provided under the permissive open-source **CC-BY-4.0** license. Users are free to share and adapt the material for any purpose, even commercially, provided appropriate credit is given to the original authors.
+
+## Version History
+
+* 20/05/2026 - dataset fully uploaded and arxiv preprint made available