{"paper":{"title":"Elements, topology, and T-shirts","arxiv_id":"physics/0603026","primary_cat":"physics.ed-ph","submitted_at":"2006-03-05T16:15:02+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. 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