{"paper":{"title":"The Origin and Detection of High-Redshift Supermassive Black Holes","arxiv_id":"1007.4741","primary_cat":"astro-ph.CO","submitted_at":"2010-07-27T14:53:16+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-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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