{
  "date": "2026-11-03",
  "risk_version": "0.43.5",
  "risk_revision": "afc298d5f4f29a33c84bbb6cdd6b2aa229ed83ec",
  "risk_revision_kind": "Development commit; package version is unchanged from the released tag.",
  "rustc": "rustc 1.97.1 (8bab26f4f 2026-07-14)\nbinary: rustc\ncommit-hash: 8bab26f4f68e0e26f0bb7960be334d5b520ea452\ncommit-date: 2026-07-14\nhost: x86_64-unknown-linux-gnu\nrelease: 1.97.1\nLLVM version: 22.1.6\n",
  "host": {
    "cpu": "Intel Core i9-10920X",
    "logical_cpus": 24,
    "ram_gib": 64,
    "os": "Linux-7.2.11-200.fc44.x86_64-x86_64-with-glibc2.43",
    "affinity_cpu": 2,
    "smt_sibling": 14,
    "load_before": [
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    ],
    "load_after": [
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      81.1103515625,
      84.35888671875
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    "shared_host": true
  },
  "workload": {
    "session": "2026-10-28",
    "interval_et": "09:30:00\u201309:35:00",
    "contracts": 302,
    "input_events_including_initialization": 1393694,
    "measured_event_admissions": 162600,
    "grid_ms": 250,
    "publish_on_change": true,
    "heartbeat_ms": 1000,
    "iterations": 5,
    "warmup_replays": 1,
    "retained_snapshot_ticks_per_iteration": 1201,
    "includes_terminal_finish": true,
    "scenario_points": 21
  },
  "method": {
    "input": "closed SPY equity/OPRA/OI Feed logs; events read and mapped before timing; earlier events establish state",
    "timer": "injected SystemClock; full calls in nanoseconds; observer stage values truncated to microseconds",
    "percentiles": "exact nearest rank per iteration; ranges compare iterations, never pool percentiles",
    "parity": "Every measured full Snapshot equals the same-revision uninstrumented warmup. The retained T0 transcript also matches the separately identified counting replay. Committed fixtures compare materialized full-vector and streamed gamma-only exposures; Risk revision is held fixed.",
    "includes": "core tick recomputation, exposures/ladder, vitals, snapshot construction and observer instrumentation; event admission measured separately",
    "excludes": "file I/O, decoding, initial replay, event cloning, output comparison, display, strategy evaluation, broker and network",
    "scope": "One recorded opening interval, release build, shared host, CPU 2 affinity, fixed grid. Host load and frequency were not controlled. No live deadline or sustainable faster-cadence claim."
  },
  "scenario_workload_count": {
    "method": "Separate counting replay at the measured candidate source plus a retained diagnostic patch. Counts increment once per scenario request after admission, before Risk evaluation. Warmup retained snapshots only; no timings from this diagnostic run are used. Exact T0 snapshot transcript matches the timed candidate.",
    "source": "6d9e69484d1349fad4f939e94a93045c7689f3e6",
    "risk_revision": "afc298d5f4f29a33c84bbb6cdd6b2aa229ed83ec",
    "instrumentation_patch_sha256": "7168b1daee22c6615d5b62f8930fc32fcd0962e425ab39e9d03c227c8320d714",
    "counts_log_sha256": "dd1e8e1a304c3ff57484f8d830fad36533b0b3b21de3f5aabc2bebfa284239ed",
    "snapshot_transcript_sha256": "0935b8fce611a38be057f790cbae5a4d33285bc4ce09e97ed1ca777466088850",
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    "scenario_points": 21,
    "request_count_min": 1848,
    "request_count_max": 2016,
    "request_count_median": 2016,
    "request_count_total": 2420544,
    "contracts_per_snapshot_min": 88,
    "contracts_per_snapshot_max": 96,
    "request_count_histogram": {
      "1848": 4,
      "2016": 1197
    },
    "scope": "Separate counting replay at its recorded source revision. Scenario admission and geometry are unchanged in this measured implementation; retained transcript identity is checked again."
  },
  "gamma_revision": "7a08baca1a4355e0dadf398711a657095ed8526a",
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  "snapshot_transcript_sha256": "0935b8fce611a38be057f790cbae5a4d33285bc4ce09e97ed1ca777466088850",
  "implementation": "Scalar gamma evaluation; borrowed contract identities; positioning resolved once; direct scenario aggregation; raw invariant inputs prepared within each pass. Complete actual scenario inputs still pass Risk validation. No cross-tick cache.",
  "qualification": {
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    "focused_chain_tests_passed": 68,
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    "delivery_dependency_check": "Same focused chain and projection tests passed against the delivery branch released Risk pin.",
    "scope": "Composed replay measurement, not upstream release qualification or a universal numerical accuracy result."
  }
}