Add README.md with dataset documentation and YAML metadata

README.md

@@ -1,3 +1,47 @@
+---
+dataset_info:
+  features:
+  - name: year
+    dtype: string
+  - name: id
+    dtype: string
+  - name: problem
+    dtype: string
+  - name: solution
+    dtype: string
+  - name: answer_type
+    dtype: string
+  - name: source
+    dtype: string
+  - name: type
+    dtype: string
+  - name: original_problem
+    dtype: string
+  - name: original_solution
+    dtype: string
+  - name: variation
+    dtype: int64
+  splits:
+  - name: full_eval
+    num_examples: 522
+  - name: test
+    num_examples: 372
+  - name: val
+    num_examples: 150
+  download_size: 560892
+  dataset_size: 1184885
+configs:
+- config_name: default
+extra_gated_prompt: 'By requesting access to this dataset, you agree to cite the following
+  works in any publications or projects that utilize this data:
+
+  - Putnam-AXIOM dataset: @article{putnam_axiom2025, title={Putnam-AXIOM: A Functional
+  and Static Benchmark for Measuring Higher Level Mathematical Reasoning}, author={Aryan
+  Gulati and Brando Miranda and Eric Chen and Emily Xia and Kai Fronsdal and Bruno
+  de Moraes Dumont and Sanmi Koyejo}, journal={39th International Conference on Machine Learning (ICML 2025)}, year={2025}, 
+  note={Preprint available at: https://openreview.net/pdf?id=YXnwlZe0yf}} '
+---
+
 # Putnam AXIOM Dataset (ICML 2025 Version)
 
 **Note: for questions, feedback, bugs, etc. please [open a Huggingface discussion here](https://huggingface.co/datasets/Putnam-AXIOM/putnam-axiom-dataset-ICML-2025-522/discussions).**