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Link the arXiv paper (2609.03350)
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Card: explicit train split config
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Re-chunk parquet (10K-row groups, page index) for the dataset viewer
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Sync with paper v2: subset manifest, comparable corpus sizes
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Card: token counts, AceReason answer-only disclosure, audit wording
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CPT training-subset manifest (104,630 ids present verbatim in the release)
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Author order update
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Full author list + team section
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Update card links to COPA-AI
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ArmSTEM v1: 372,907 verified parallel EN-HY pairs + stats
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Card: solver_limited field, stats dir
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Add release card
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initial commit
