{
  "id": 422,
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  "submitter": "Bhavik Mehta",
  "history": [
    {
      "kind": "rank_improved",
      "user": "Jason Ma",
      "old_rank": 18,
      "new_rank": 19,
      "at": "2026-09-03 16:32:02"
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  "commentary": "From Elkies's rank-17 K3 fibration (arXiv:2608.25406), specialized at t = -29/13. The single point beyond the seventeen generic sections came from searching the 1311 norm-4 quartic covers.",
  "created_at": "2026-08-29 17:02:02",
  "updated_at": "2026-09-03 16:32:02"
}