Update CITATION.cff to have arxiv ID (#14)

Author: whitead

CITATION.cff

@@ -25,10 +25,10 @@ authors:
     family-names: White
 identifiers:
   - type: doi
-    #     value: 10.48550/arXiv.2412.21154
+    value: 10.48550/arXiv.2506.17238
     description: ArXiv DOI
   - type: url
-    #     value: https://arxiv.org/abs/2412.21154
+    value: https://arxiv.org/abs/2506.17238
     description: ArXiv abstract
 repository-code: https://github.com/Future-House/ether0
 keywords:
@@ -59,8 +59,8 @@ preferred-citation:
     - given-names: Andrew D.
       family-names: White
   date-published: 2025-06-04
-  doi: 10.48550/arXiv.2412.21154
+  doi: 10.48550/arXiv.2506.17238
   journal: preprint
   title: "Training a Scientific Reasoning Model for Chemistry"
   type: article
-#   url: https://arxiv.org/abs/2412.21154
+  url: https://arxiv.org/abs/2506.17238

README.md

@@ -1,10 +1,11 @@
 [![GitHub](https://img.shields.io/badge/github-%23121011.svg?style=for-the-badge&logo=github&logoColor=white)](https://github.com/Future-House/ether0)
+[![arXiv](https://img.shields.io/badge/arXiv-2506.17238-b31b1b.svg)](https://arxiv.org/abs/2506.17238)
 [![Project Status: Active](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active)
 ![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)
+
 [![Tests](https://github.com/Future-House/ether0/actions/workflows/lint-test.yaml/badge.svg)](https://github.com/Future-House/ether0/actions)
 <a href="https://github.com/psf/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
 [![python](https://img.shields.io/badge/python-3.11+-blue?style=flat&logo=python&logoColor=white)](https://www.python.org)
-
 [![Model on HF](https://huggingface.co/datasets/huggingface/badges/resolve/main/model-on-hf-md-dark.svg)](https://huggingface.co/futurehouse/ether0)
 [![Dataset on HF](https://huggingface.co/datasets/huggingface/badges/resolve/main/dataset-on-hf-md-dark.svg)](https://huggingface.co/datasets/futurehouse/ether0-benchmark)