{
  "activity": {
    "hash_identical": true,
    "hashes": [
      "0928f5f17a3c86cae986d158d2540cf2bd94749b0ea682ee4feebe0632f85791",
      "0928f5f17a3c86cae986d158d2540cf2bd94749b0ea682ee4feebe0632f85791",
      "0928f5f17a3c86cae986d158d2540cf2bd94749b0ea682ee4feebe0632f85791"
    ],
    "pass": true,
    "population_aggregates_exact": true,
    "repeats": 3,
    "sequence_ids_stable": true,
    "spike_timestamps_exact": true
  },
  "brainio": {
    "checkpoint_restore_events_exact": true,
    "checkpoint_restore_state_exact": true,
    "pass": true,
    "read_population_auditory_spikes": 26,
    "read_spikes_event_count": 27,
    "reset_exact": true,
    "single_20ms_state_sha256": "9f9303da484f574f8bd29ad33f3f31b4a0db91434b1a737529e0e22405a20788",
    "single_equals_chunked_events": true,
    "single_equals_chunked_state": true,
    "two_10ms_state_sha256": "9f9303da484f574f8bd29ad33f3f31b4a0db91434b1a737529e0e22405a20788"
  },
  "candidate": {
    "candidate_generated": true,
    "gates": {
      "activitystream_exact": true,
      "biological_parameters_unchanged": true,
      "brainio_exact": true,
      "checkpoint_restore_exact": true,
      "cpu_canonical_oracle_deterministic": true,
      "eligibility_fixed_event_10x_exact": true,
      "frozen_artifacts_unchanged": true,
      "gpu_exact_to_cpu": true,
      "neuron_3942_regression_exact": true,
      "phase4c_5x20_exact": true,
      "real_fanout_tests_exact": true
    },
    "historical_reference_preserved": true,
    "phase4c_reference_v2": "/data/digital-drosophila/experiments/phase4p-deterministic-runtime/phase4c-v2/reference",
    "status": "MaleCNS-LIF-runtime-v2-deterministic-candidate"
  },
  "eligibility": {
    "KC_count": 4064,
    "KC_event_count_through_gate": 94655,
    "event_sha256": "b3b5e69b9d18d395002d110b7ce6795ba8d55eb150ca5301bdcf5fa0f86b0377",
    "exact": true,
    "gate_step": 900,
    "repeats": 10,
    "source": "new canonical deterministic olfactory-50hz complete whole-brain trajectory, filtered to all annotated Kenyon cells",
    "temporal_eligibility_version": "TemporalEligibility-v2 (read-only)",
    "trace_hashes": [
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb",
      "f6d4d221b3e4d2bca967b6426ed87f42db83aedc2c6bb9c01e7748b24d42a6fb"
    ],
    "trace_tau_ms": 100.0
  },
  "fanout": {
    "all_exact": true,
    "cases": 500,
    "exact": 500,
    "mixed_sign_cases": 398,
    "strata": {
      "high": 165,
      "low": 170,
      "medium": 165
    },
    "target_write_range": [
      1,
      19
    ]
  },
  "historical": {
    "all_total_spikes_within_phase4o_historical_10-run_ranges": false,
    "classification": "NUMERICAL-REBASELINE-DIFFERENCE",
    "envelope_note": "The exact historical runtime-v1 10-run event-count distribution is used. Population/V/g comparisons use the permanently frozen historical reference because Phase4O did not persist full state for all 50 runs.",
    "trials": {
      "auditory-100hz": {
        "V_max_abs_delta": 153.43338012695312,
        "V_mean_delta": -0.11506271362304688,
        "V_mean_deterministic": -57.46953201293945,
        "V_mean_historical": -57.354469299316406,
        "deterministic_active": 19865,
        "deterministic_events": 2321608,
        "deterministic_within_historical_event_count_range": false,
        "first_divergence_ms": 805.1,
        "first_event_difference": {
          "deterministic": [
            8051,
            425
          ],
          "historical": [
            8051,
            465
          ],
          "position": 1824422
        },
        "g_max_abs_delta": 269.57952880859375,
        "g_mean_delta": -0.5043740272521973,
        "g_mean_deterministic": 5.409206867218018,
        "g_mean_historical": 5.913580894470215,
        "historical_active": 19875,
        "historical_event_count_distribution_10_runs": {
          "max": 2321846,
          "min": 2321846,
          "values": [
            2321846,
            2321846,
            2321846,
            2321846,
            2321846,
            2321846,
            2321846,
            2321846,
            2321846,
            2321846
          ]
        },
        "historical_reference_events": 2321846,
        "output_populations": {
          "descending": {
            "deterministic_active": 433,
            "deterministic_spikes": 21802,
            "historical_active": 436,
            "historical_spikes": 21828
          },
          "motor": {
            "deterministic_active": 340,
            "deterministic_spikes": 21674,
            "historical_active": 340,
            "historical_spikes": 21628
          }
        }
      },
      "auditory-10hz": {
        "V_max_abs_delta": 0.01184844970703125,
        "V_mean_delta": 0.0,
        "V_mean_deterministic": -57.60268783569336,
        "V_mean_historical": -57.60268783569336,
        "deterministic_active": 21499,
        "deterministic_events": 609920,
        "deterministic_within_historical_event_count_range": true,
        "first_divergence_ms": 967.2,
        "first_event_difference": {
          "deterministic": [
            9672,
            30767
          ],
          "historical": [
            9672,
            30793
          ],
          "position": 525021
        },
        "g_max_abs_delta": 0.001953125,
        "g_mean_delta": 0.0,
        "g_mean_deterministic": 5.412659168243408,
        "g_mean_historical": 5.412659168243408,
        "historical_active": 21499,
        "historical_event_count_distribution_10_runs": {
          "max": 609920,
          "min": 609920,
          "values": [
            609920,
            609920,
            609920,
            609920,
            609920,
            609920,
            609920,
            609920,
            609920,
            609920
          ]
        },
        "historical_reference_events": 609920,
        "output_populations": {
          "descending": {
            "deterministic_active": 472,
            "deterministic_spikes": 7941,
            "historical_active": 472,
            "historical_spikes": 7941
          },
          "motor": {
            "deterministic_active": 365,
            "deterministic_spikes": 8537,
            "historical_active": 365,
            "historical_spikes": 8537
          }
        }
      },
      "gustatory-50hz": {
        "V_max_abs_delta": 234.56951904296875,
        "V_mean_delta": -0.10523605346679688,
        "V_mean_deterministic": -57.433502197265625,
        "V_mean_historical": -57.32826614379883,
        "deterministic_active": 20605,
        "deterministic_events": 2452226,
        "deterministic_within_historical_event_count_range": false,
        "first_divergence_ms": 266.7,
        "first_event_difference": {
          "deterministic": [
            2667,
            43534
          ],
          "historical": [
            2667,
            42458
          ],
          "position": 544873
        },
        "g_max_abs_delta": 588.3699340820312,
        "g_mean_delta": 0.0555424690246582,
        "g_mean_deterministic": 5.7334113121032715,
        "g_mean_historical": 5.677868843078613,
        "historical_active": 20576,
        "historical_event_count_distribution_10_runs": {
          "max": 2451263,
          "min": 2451263,
          "values": [
            2451263,
            2451263,
            2451263,
            2451263,
            2451263,
            2451263,
            2451263,
            2451263,
            2451263,
            2451263
          ]
        },
        "historical_reference_events": 2451263,
        "output_populations": {
          "descending": {
            "deterministic_active": 428,
            "deterministic_spikes": 22805,
            "historical_active": 430,
            "historical_spikes": 22826
          },
          "motor": {
            "deterministic_active": 339,
            "deterministic_spikes": 19146,
            "historical_active": 338,
            "historical_spikes": 19030
          }
        }
      },
      "mechanosensory-50hz": {
        "V_max_abs_delta": 300.2852783203125,
        "V_mean_delta": -0.15035629272460938,
        "V_mean_deterministic": -58.805694580078125,
        "V_mean_historical": -58.655338287353516,
        "deterministic_active": 29297,
        "deterministic_events": 2414779,
        "deterministic_within_historical_event_count_range": false,
        "first_divergence_ms": 515.9,
        "first_event_difference": {
          "deterministic": [
            5159,
            13079
          ],
          "historical": [
            5159,
            13389
          ],
          "position": 944246
        },
        "g_max_abs_delta": 489.7890625,
        "g_mean_delta": 0.21435165405273438,
        "g_mean_deterministic": 4.874627113342285,
        "g_mean_historical": 4.660275459289551,
        "historical_active": 29256,
        "historical_event_count_distribution_10_runs": {
          "max": 2410668,
          "min": 2410387,
          "values": [
            2410387,
            2410387,
            2410387,
            2410387,
            2410387,
            2410387,
            2410387,
            2410387,
            2410387,
            2410668
          ]
        },
        "historical_reference_events": 2410387,
        "output_populations": {
          "descending": {
            "deterministic_active": 552,
            "deterministic_spikes": 28577,
            "historical_active": 551,
            "historical_spikes": 27992
          },
          "motor": {
            "deterministic_active": 430,
            "deterministic_spikes": 32769,
            "historical_active": 427,
            "historical_spikes": 32267
          }
        }
      },
      "olfactory-50hz": {
        "V_max_abs_delta": 6.103515625e-05,
        "V_mean_delta": 0.0,
        "V_mean_deterministic": -57.108211517333984,
        "V_mean_historical": -57.108211517333984,
        "deterministic_active": 21807,
        "deterministic_events": 2806702,
        "deterministic_within_historical_event_count_range": true,
        "first_divergence_ms": null,
        "first_event_difference": null,
        "g_max_abs_delta": 0.00048828125,
        "g_mean_delta": 0.0,
        "g_mean_deterministic": 7.322286128997803,
        "g_mean_historical": 7.322286128997803,
        "historical_active": 21807,
        "historical_event_count_distribution_10_runs": {
          "max": 2806702,
          "min": 2806702,
          "values": [
            2806702,
            2806702,
            2806702,
            2806702,
            2806702,
            2806702,
            2806702,
            2806702,
            2806702,
            2806702
          ]
        },
        "historical_reference_events": 2806702,
        "output_populations": {
          "descending": {
            "deterministic_active": 425,
            "deterministic_spikes": 25829,
            "historical_active": 425,
            "historical_spikes": 25829
          },
          "motor": {
            "deterministic_active": 309,
            "deterministic_spikes": 24789,
            "historical_active": 309,
            "historical_spikes": 24789
          }
        }
      }
    }
  },
  "threshold": {
    "all_fanout_edges": 88391,
    "arrival_step": 6625,
    "canonical_key": [
      "target_idx",
      "source_idx",
      "edge_id"
    ],
    "case": "threshold-bifurcation-regression-3942",
    "cpu_canonical": {
      "bits": "0x42063334",
      "sum": 33.55000305175781,
      "unique_across_10": 1
    },
    "delay_steps": 18,
    "existing_scatter_add_diagnostic": {
      "nondeterministic_observed": false,
      "repeats": 100,
      "unique_bit_patterns": [
        "0x42063334"
      ],
      "unique_sums": [
        33.55000305175781
      ]
    },
    "gpu_deterministic": {
      "bits": "0x42063334",
      "exact_to_cpu": true,
      "sum": 33.55000305175781,
      "unique_across_100": 1
    },
    "note": "The Phase4O saved matched pre-state is used. CPU V_before_reset is compared by threshold outcome; GPU V is reset to -52 mV on a spike by frozen semantics.",
    "pass": true,
    "source_count": 313,
    "source_spike_step": 6607,
    "state_update": {
      "cpu": {
        "V_before_reset": -45.000003814697266,
        "V_bits": "0xc2340001",
        "g": 176.86984252929688,
        "g_bits": "0x4330deae",
        "spike": false
      },
      "gpu": {
        "V_after_update": -45.000003814697266,
        "V_bits": "0xc2340001",
        "g": 176.86984252929688,
        "g_bits": "0x4330deae",
        "spike": false
      },
      "pre_state": {
        "arrival_buffer": 33.55000305175781,
        "g": 146.24473571777344,
        "refractory": 0,
        "voltage": -45.85362243652344
      }
    },
    "target_contributions": 14
  }
}