{
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  "submitter": "Mundoamundo",
  "history": [
    {
      "kind": "primes_recorded",
      "user": "Daniel Błażewicz",
      "at": "2026-09-11 20:23:22"
    }
  ],
  "commentary": "Fiber t = -13219/2030 of a rank-17 elliptic fibration of Elkies' K3 surface (arXiv:2608.25406): the 2-neighbor fibration that also carries wgxli's #391 and #390. Found by a Mestre-Nagao sieve over t = a/b and an iterated 'bootstrap' 2-covering point search (fake 2-descent over random cosets of the growing known lattice); 17 points are specializations of the generic sections, 11 were found on the coverings; the basis shown is LLL-reduced. Search run by Claude (Anthropic) with Seth Lupo, 2026-09-03.",
  "created_at": "2026-09-02 23:19:13",
  "updated_at": "2026-09-11 20:23:21"
}