{
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  "rank_lower_bound": 28,
  "torsion": [],
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  "submitter": "Mundoamundo",
  "history": [],
  "commentary": "Fiber t = -23005/4407 of Elkies' rank-17 elliptic K3 fibration (arXiv:2608.25406). Found by a Mestre-Nagao sieve over t = a/b followed by a 2-covering (fake 2-descent) point search on deep-hole cosets of the rank-17 Mordell-Weil lattice; 17 points are specializations of the generic sections, 11 were found on the coverings. Search run by Claude (Anthropic) with Seth Lupo, 2026-09-02.",
  "created_at": "2026-09-02 17:05:36",
  "updated_at": "2026-09-02 17:05:36"
}