{
  "all_exact_to_frozen_phase4m": false,
  "complete_repeats": 5,
  "event_order_contract_observed": "simulation_step ascending, neuron_idx ascending, no duplicate KC/step; trace updated after spike; external gate sampled after step 900 trace update",
  "events_per_repeat": 500,
  "frozen_exact_count_by_repeat": {
    "0": 498,
    "1": 498,
    "2": 498,
    "3": 498,
    "4": 498
  },
  "limitation": "Phase4M did not seal its training KC event sequence. Phase4N sealed the later event replay; exact repeat of those events does not prove the original GPU trajectory.",
  "mismatch_examples": [
    {
      "eligibility_sha256": "2ac778cd8c1bb0ea01f2671d30d5be9befcf9c83d08d9e9f6ebf7ba90b4adce3",
      "event_count": 176,
      "event_sha256": "8003597fed79f03e246ba17b84dd129a684df1bce9b338f51873585636383048",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.9990004897117615,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.8763400912284851,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 40,
      "repeat": 0,
      "repeat_exact": true,
      "seed": 51202,
      "update_sha256": "bb9771ceeb81db84d93630d9af4806e4230a040bbfccad288551f2194b25a3c3"
    },
    {
      "eligibility_sha256": "f02207d9aaecf58524b3e59e52381ccc1dc47fa79277bdce5fd10d6484362d96",
      "event_count": 176,
      "event_sha256": "549108e7b75a0f91b5d51b594619891aa5a829fd00b65edddad6a86fddc41436",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.8763400912284851,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.9990004897117615,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 39,
      "repeat": 0,
      "repeat_exact": true,
      "seed": 51203,
      "update_sha256": "f1397469d61e17d4c11966686fb8b7849986a60e97f8878a57f115ac521f7cc4"
    },
    {
      "eligibility_sha256": "2ac778cd8c1bb0ea01f2671d30d5be9befcf9c83d08d9e9f6ebf7ba90b4adce3",
      "event_count": 176,
      "event_sha256": "8003597fed79f03e246ba17b84dd129a684df1bce9b338f51873585636383048",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.9990004897117615,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.8763400912284851,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 40,
      "repeat": 1,
      "repeat_exact": true,
      "seed": 51202,
      "update_sha256": "bb9771ceeb81db84d93630d9af4806e4230a040bbfccad288551f2194b25a3c3"
    },
    {
      "eligibility_sha256": "f02207d9aaecf58524b3e59e52381ccc1dc47fa79277bdce5fd10d6484362d96",
      "event_count": 176,
      "event_sha256": "549108e7b75a0f91b5d51b594619891aa5a829fd00b65edddad6a86fddc41436",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.8763400912284851,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.9990004897117615,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 39,
      "repeat": 1,
      "repeat_exact": true,
      "seed": 51203,
      "update_sha256": "f1397469d61e17d4c11966686fb8b7849986a60e97f8878a57f115ac521f7cc4"
    },
    {
      "eligibility_sha256": "2ac778cd8c1bb0ea01f2671d30d5be9befcf9c83d08d9e9f6ebf7ba90b4adce3",
      "event_count": 176,
      "event_sha256": "8003597fed79f03e246ba17b84dd129a684df1bce9b338f51873585636383048",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.9990004897117615,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.8763400912284851,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 40,
      "repeat": 2,
      "repeat_exact": true,
      "seed": 51202,
      "update_sha256": "bb9771ceeb81db84d93630d9af4806e4230a040bbfccad288551f2194b25a3c3"
    },
    {
      "eligibility_sha256": "f02207d9aaecf58524b3e59e52381ccc1dc47fa79277bdce5fd10d6484362d96",
      "event_count": 176,
      "event_sha256": "549108e7b75a0f91b5d51b594619891aa5a829fd00b65edddad6a86fddc41436",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.8763400912284851,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.9990004897117615,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 39,
      "repeat": 2,
      "repeat_exact": true,
      "seed": 51203,
      "update_sha256": "f1397469d61e17d4c11966686fb8b7849986a60e97f8878a57f115ac521f7cc4"
    },
    {
      "eligibility_sha256": "2ac778cd8c1bb0ea01f2671d30d5be9befcf9c83d08d9e9f6ebf7ba90b4adce3",
      "event_count": 176,
      "event_sha256": "8003597fed79f03e246ba17b84dd129a684df1bce9b338f51873585636383048",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.9990004897117615,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.8763400912284851,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 40,
      "repeat": 3,
      "repeat_exact": true,
      "seed": 51202,
      "update_sha256": "bb9771ceeb81db84d93630d9af4806e4230a040bbfccad288551f2194b25a3c3"
    },
    {
      "eligibility_sha256": "f02207d9aaecf58524b3e59e52381ccc1dc47fa79277bdce5fd10d6484362d96",
      "event_count": 176,
      "event_sha256": "549108e7b75a0f91b5d51b594619891aa5a829fd00b65edddad6a86fddc41436",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.8763400912284851,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.9990004897117615,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 39,
      "repeat": 3,
      "repeat_exact": true,
      "seed": 51203,
      "update_sha256": "f1397469d61e17d4c11966686fb8b7849986a60e97f8878a57f115ac521f7cc4"
    },
    {
      "eligibility_sha256": "2ac778cd8c1bb0ea01f2671d30d5be9befcf9c83d08d9e9f6ebf7ba90b4adce3",
      "event_count": 176,
      "event_sha256": "8003597fed79f03e246ba17b84dd129a684df1bce9b338f51873585636383048",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.9990004897117615,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.8763400912284851,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 40,
      "repeat": 4,
      "repeat_exact": true,
      "seed": 51202,
      "update_sha256": "bb9771ceeb81db84d93630d9af4806e4230a040bbfccad288551f2194b25a3c3"
    },
    {
      "eligibility_sha256": "f02207d9aaecf58524b3e59e52381ccc1dc47fa79277bdce5fd10d6484362d96",
      "event_count": 176,
      "event_sha256": "549108e7b75a0f91b5d51b594619891aa5a829fd00b65edddad6a86fddc41436",
      "exact_to_phase4m": false,
      "example": {
        "KC_neuron_idx": 78836,
        "edge_id": 15463186,
        "event_trace": 0.8763400912284851,
        "extra_edge_ids": [],
        "frozen_delta_E": 0.0,
        "frozen_trace": 0.9990004897117615,
        "missing_edge_ids": [],
        "timestamp_ms": 90.0
      },
      "extra_active_edges": 0,
      "frozen_trace_max_abs_error": 0.12266039848327637,
      "frozen_update_max_abs_error": 0.0,
      "gate_step": 900,
      "missing_frozen_active_edges": 0,
      "pairing": 39,
      "repeat": 4,
      "repeat_exact": true,
      "seed": 51203,
      "update_sha256": "f1397469d61e17d4c11966686fb8b7849986a60e97f8878a57f115ac521f7cc4"
    }
  ],
  "same_event_and_update_sequence_5_of_5": true
}