{
  "status": "provenance_and_screening_audited",
  "generated_at": "2026-09-10T03:30:27.225436+00:00",
  "fresh_reference_exact": true,
  "candidate_numerical_passed": false,
  "candidate_pass_count": 0,
  "candidate_exact_count": 0,
  "compared_outputs": 40,
  "rows": [
    {
      "run": "cross_sdpa_reference_v2",
      "interval_seconds": [
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        1.017087017185986
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      "frames": 48,
      "fps": 11.773092485277406,
      "mean_delivery_ms": 1019.2733994917944,
      "ttfc_seconds": 2.627026341855526,
      "summary_sha256": "9a399f0f8bcc9cd819a373cc40f0f79a98e16cbc08957227fb25ab96f8ebf666"
    },
    {
      "run": "cross_sdpa_candidate_v2",
      "interval_seconds": [
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        1.023749825078994,
        1.0176701988093555
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      "frames": 48,
      "fps": 11.788106212645221,
      "mean_delivery_ms": 1017.9752187104896,
      "ttfc_seconds": 2.6052430737763643,
      "summary_sha256": "a1f4ee7c16462ba6fe83970520df156100fd3f3716ef1135c63b77814acb98c8"
    }
  ],
  "selected_rank_pids": [
    [
      "3",
      "1197160"
    ],
    [
      "1",
      "1197158"
    ],
    [
      "2",
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    ],
    [
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  ],
  "installed_patch_pids": [
    "1188022",
    "1197157",
    "1197158",
    "1197159",
    "1197160"
  ],
  "scope": "Same allocated four GPUs and frozen eager source; only cross config plus Flash-only SDPAImpl implementation changes. Whole saved outputs audited at fixed thresholds. Timing is one launch per arm, four epoch1 CPU-ready intervals, not final performance or tail acceptance. Integrated backend selection and installed implementation verified; actual Flash kernel trace exists for six local probes, not this full-model run.",
  "source_sha256": {
    "reference_manifest": "caf6fbd0b4a1a406fc59cc8a0ef4b098ed05d8dbf7913fb1d8b3fbf1b8ef12ea",
    "candidate_manifest": "dcb4636bdf56a7dbf069382f05c4284307d61bba1e52726178e84e1424e1b61e",
    "comparison": "e6f2490a498cf3df1dc68bd14de73aa7943eae1b6a90cd3527772a0409fee3e6",
    "patch": "7560113e1030c1f1a7061c06507f2d6d5b54dcafcd14d9e1220867111e98bb54"
  }
}