{
 "id": "ycchen/Crystal-Math-Preview",
 "owner": "ycchen",
 "name": "Crystal-Math-Preview",
 "downloads": 516,
 "likes": 14,
 "last_modified": "2026-07-28T08:37:17.000Z",
 "stated_licence": "other",
 "stated_from": "tag",
 "licence_name": "mixed",
 "licence_link": "LICENSE",
 "file_licence": null,
 "licence_files": [],
 "sources": [],
 "gated": false,
 "tasks": [
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 ],
 "citation": "@article{chen2025crystalmath,\n  title={CrystalMath: Curating High-Difficulty Contest Math with Contrast-Augmented Verification},\n  author={Chen, Yi-Chia},\n  year={2026},\n  url={https://huggingface.co/datasets/ycchen/Crystal-Math-Preview}\n}",
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 "reason": "The checks could not identify a recognised licence ID in the dataset's metadata.",
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}