{"paper":{"title":"Microquasar Remnants as Pevatrons Illuminating the Galactic Cosmic Ray Knee","arxiv_id":"2602.08940","primary_cat":"astro-ph.HE","submitted_at":"2026-02-09T17:38:21+00:00","version_compiled":"v3"},"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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