{
  "title": "Exact report-helper cache",
  "evidence_type": "Accepted conditional source/math/report-artifact scope; source-derived count, no new execution",
  "comparison": {
    "baseline": "Earlier R2 uncached raw-report producer/checker helpers; whole protocol was rejected",
    "before_expression_events": 3194940,
    "after_expression_events": 2457660,
    "removed_expression_events": 737280,
    "reduction_percent": 23.076489699337078,
    "reports": 5,
    "jobs": 3,
    "states": 2,
    "sample_pairs_per_case": 4096,
    "pairs_per_helper": 122880,
    "combined_events_per_pair_before": 26,
    "combined_events_per_pair_after": 20,
    "final_divisions_both_helpers": 60,
    "capable_conventional_baseline": "Same cache available; FI-exclusive incremental expression saving is zero"
  },
  "cost_scope": "Local rational-expression events, not CPU instructions or weighted operand work. Parsing, conversion, hashes, reads, verification, data handling and complete native/physical costs are separate. Timing overlap remains unresolved; no total elapsed-time saving is computed.",
  "separate_results": "History-traversal counts and sixteen-term exact-reference bounds are not combined with this count.",
  "claims_not_made": [
    "Measured speedup",
    "Measured power or heat saving",
    "Device size or mass saving",
    "Application adoption",
    "Exclusive mathematical advantage"
  ],
  "source_anchors": [
    {
      "title": "FINAL_SOURCE_CHECKPOINT_R14_R2.txt",
      "sha256": "bb7721152e07dca3a6a8165eeeb5657b1c7809ec4d8d2d3ecf94203429614208",
      "bytes": 9560
    },
    {
      "title": "FINAL_DELIVERY_RECEIPT_R14_R1.json",
      "sha256": "49b737202869695bbbfa1f8080bae760d7a607546c644a8189e4c0abd76cb4ce",
      "bytes": 2612
    }
  ]
}