{
  "new_structural_results": [
    "rank-three calendar/allocation basis",
    "nested-selection triangle distinct from sequential conversion",
    "universal coarsening criterion",
    "rank-two retained-part measurement basis",
    "fixed-pivot congruence and full nine-pair domain",
    "conditional componentwise common-volume field"
  ],
  "still_source_supplied": [
    "calendar interpretation",
    "named partition and selected leg",
    "fixed pivot",
    "grid and count convention",
    "chronological route authorization"
  ],
  "inherited_context": [
    "specific490 and12600 scalar completions",
    "529 ladder",
    "C480 success and fixed12026 failure"
  ],
  "not_claimed": [
    "independent derivation of Keys from partitions alone",
    "nine new mixed chronological routes",
    "historical use of mixed literal calendars"
  ]
}