{
  "schema": "blackfrost.learning.dwm_case.v1",
  "case_id": "qwen35-9b-dwm-historical-review",
  "purpose": "sanitized educational evidence review",
  "source": {
    "repository": "Qwen/Qwen3.5-9B",
    "revision": "c202236235762e1c871ad0ccb60c8ee5ba337b9a"
  },
  "measurement_bank": {
    "paired_items": 32,
    "rows": 64,
    "sha256": "902ac2472d572ff5724e0b70012efe687c87d19c655f09cd528d8a9bca60f7a8",
    "raw_bank_in_course_pack": false
  },
  "intervention": {
    "method": "Domain Weight Modification",
    "strength": 1.0,
    "passes": 3,
    "recapture_each_pass": true,
    "skip_early_layers": 2,
    "language_layers": 32,
    "edited_layers": 30,
    "targets_per_edited_layer": 2,
    "target_count": 60,
    "arithmetic_precision": "float32",
    "serialization_precision": "bfloat16",
    "norm_restoration": "one scalar per matrix per pass"
  },
  "structural_verification": {
    "changed_targets": 60,
    "missed_targets": 0,
    "changed_nontargets": 0,
    "nonfinite_targets": 0,
    "defined_control_tensors": 15,
    "changed_control_tensors": 0
  },
  "geometry": {
    "selected_layer": 31,
    "separation_trace": [
      87.02742767333984,
      50.66340255737305,
      41.429718017578125,
      32.2947883605957
    ],
    "initial_to_final_reduction_percent": 62.89125253498794
  },
  "historical_corrections": {
    "different_strength_metrics_transfer_to_this_arm": false,
    "separate_443_row_conclusion_status": "retracted from this case"
  },
  "evidence_boundary": {
    "recorded": [
      "source and measurement-bank identity",
      "edit-plan identity",
      "target and non-target structural verification",
      "defined exact-match controls",
      "separation trace"
    ],
    "not_freshly_measured_on_final_arm": [
      "distribution parity",
      "broad capability suite",
      "false-refusal rate",
      "red-line behavior",
      "general release qualification"
    ]
  },
  "course_pack_excludes": [
    "model weights",
    "raw paired bank",
    "activation tensors",
    "executable model-editing code",
    "private infrastructure details"
  ]
}