{
  "author": "Gustavo de Aguiar Martins",
  "chain_count": 15,
  "classification": "CAUSAL_CHRONOLOGY_READY_WITH_LEGACY_WARNINGS",
  "error_count": 0,
  "event_count": 519,
  "generated_at": "2026-05-05T06:26:42Z",
  "global_backward_count": 1,
  "interpretation": {
    "boundary": "This guard checks chronology and cadence evidence; replay, policy, graph, schema and proof-chain validators remain responsible for their own layers.",
    "purpose": "Validate timestamp order, causal-chain chronology and time-gap evidence for public PNVA event logs.",
    "sovereignty": "PNVA/no-tick does not use time as a blind execution motor, but it must still preserve time as an auditable trace dimension."
  },
  "native_chronology_clean": true,
  "pass": true,
  "project": "PNVA-Core",
  "recommendations": [
    "Treat native backward time as release-blocking.",
    "Keep canonical legacy chronology warnings explicit instead of rewriting historical sample order.",
    "Prefer native event emission for future proof logs so timestamp order is monotonic by construction."
  ],
  "schema_version": "pnva.causal_chronology.v1",
  "scope_count": 2,
  "scopes": [
    {
      "chain_backward_count": 1,
      "chain_count": 14,
      "chain_gap_stats": {
        "count": 498,
        "max_seconds": 620.0,
        "mean_seconds": -20.735,
        "median_seconds": 0.0,
        "min_seconds": -17191.0,
        "most_common_gap_count": 311,
        "most_common_gap_ratio": 0.624498,
        "most_common_gap_seconds": 0.0
      },
      "chain_summaries": {
        "chain_021c088f7853": {
          "backward_count": 0,
          "event_count": 128,
          "first_timestamp": "2026-05-02T13:19:00Z",
          "gap_stats": {
            "count": 127,
            "max_seconds": 31.0,
            "mean_seconds": 5.78,
            "median_seconds": 0.0,
            "min_seconds": 0.0,
            "most_common_gap_count": 90,
            "most_common_gap_ratio": 0.708661,
            "most_common_gap_seconds": 0.0
          },
          "last_timestamp": "2026-05-02T13:31:14Z",
          "zero_gap_count": 90
        },
        "chain_08fb2e218d52": {
          "backward_count": 0,
          "event_count": 64,
          "first_timestamp": "2026-05-03T06:32:27Z",
          "gap_stats": {
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            "max_seconds": 21.0,
            "mean_seconds": 2.413,
            "median_seconds": 0.0,
            "min_seconds": 0.0,
            "most_common_gap_count": 54,
            "most_common_gap_ratio": 0.857143,
            "most_common_gap_seconds": 0.0
          },
          "last_timestamp": "2026-05-03T06:34:59Z",
          "zero_gap_count": 54
        },
        "chain_1988457c3d12": {
          "backward_count": 0,
          "event_count": 29,
          "first_timestamp": "2026-05-03T03:36:24Z",
          "gap_stats": {
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            "max_seconds": 32.0,
            "mean_seconds": 18.286,
            "median_seconds": 18.5,
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            "most_common_gap_count": 3,
            "most_common_gap_ratio": 0.107143,
            "most_common_gap_seconds": 21.0
          },
          "last_timestamp": "2026-05-03T03:44:56Z",
          "zero_gap_count": 0
        },
        "chain_482433f85efe": {
          "backward_count": 0,
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          "first_timestamp": "2026-05-03T06:36:07Z",
          "gap_stats": {
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            "mean_seconds": 2.556,
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            "most_common_gap_ratio": 0.825397,
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          },
          "last_timestamp": "2026-05-03T06:38:48Z",
          "zero_gap_count": 52
        },
        "chain_5eb925c72f32": {
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          "first_timestamp": "2026-05-03T04:14:43Z",
          "gap_stats": {
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            "max_seconds": 33.0,
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            "median_seconds": 20.0,
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            "most_common_gap_count": 4,
            "most_common_gap_ratio": 0.266667,
            "most_common_gap_seconds": 9.0
          },
          "last_timestamp": "2026-05-03T04:19:24Z",
          "zero_gap_count": 0
        },
        "chain_6709c2ff5904": {
          "backward_count": 0,
          "event_count": 20,
          "first_timestamp": "2026-05-03T03:54:31Z",
          "gap_stats": {
            "count": 19,
            "max_seconds": 34.0,
            "mean_seconds": 14.737,
            "median_seconds": 12.0,
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            "most_common_gap_count": 6,
            "most_common_gap_ratio": 0.315789,
            "most_common_gap_seconds": 12.0
          },
          "last_timestamp": "2026-05-03T03:59:11Z",
          "zero_gap_count": 0
        },
        "chain_8bfdbf9faf43": {
          "backward_count": 0,
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          "first_timestamp": "2026-05-03T03:46:48Z",
          "gap_stats": {
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            "max_seconds": 34.0,
            "mean_seconds": 15.727,
            "median_seconds": 13.0,
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            "most_common_gap_count": 8,
            "most_common_gap_ratio": 0.363636,
            "most_common_gap_seconds": 13.0
          },
          "last_timestamp": "2026-05-03T03:52:34Z",
          "zero_gap_count": 0
        },
        "chain_92287533f69d": {
          "backward_count": 0,
          "event_count": 52,
          "first_timestamp": "2026-05-03T08:22:08Z",
          "gap_stats": {
            "count": 51,
            "max_seconds": 18.0,
            "mean_seconds": 0.784,
            "median_seconds": 0.0,
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            "most_common_gap_seconds": 0.0
          },
          "last_timestamp": "2026-05-03T08:22:48Z",
          "zero_gap_count": 47
        },
        "chain_9ce61292fa5a": {
          "backward_count": 0,
          "event_count": 71,
          "first_timestamp": "2026-05-03T08:18:53Z",
          "gap_stats": {
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          "last_timestamp": "2026-05-03T08:20:57Z",
          "zero_gap_count": 64
        },
        "chain_b62a4fa8414b": {
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          "gap_stats": {
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            "most_common_gap_seconds": 8.0
          },
          "last_timestamp": "2026-05-03T04:09:28Z",
          "zero_gap_count": 0
        },
        "chain_d5823b382ff9": {
          "backward_count": 0,
          "event_count": 15,
          "first_timestamp": "2026-05-03T04:01:38Z",
          "gap_stats": {
            "count": 14,
            "max_seconds": 29.0,
            "mean_seconds": 15.286,
            "median_seconds": 11.0,
            "min_seconds": 8.0,
            "most_common_gap_count": 3,
            "most_common_gap_ratio": 0.214286,
            "most_common_gap_seconds": 10.0
          },
          "last_timestamp": "2026-05-03T04:05:12Z",
          "zero_gap_count": 0
        },
        "chain_db1f2986d74b": {
          "backward_count": 1,
          "event_count": 10,
          "first_timestamp": "2026-05-03T08:21:08Z",
          "gap_stats": {
            "count": 9,
            "max_seconds": 619.0,
            "mean_seconds": -1699.556,
            "median_seconds": 0.0,
            "min_seconds": -17191.0,
            "most_common_gap_count": 4,
            "most_common_gap_ratio": 0.444444,
            "most_common_gap_seconds": 0.0
          },
          "last_timestamp": "2026-05-03T04:06:12Z",
          "zero_gap_count": 4
        },
        "chain_f0b08ea5ba08": {
          "backward_count": 0,
          "event_count": 5,
          "first_timestamp": "2026-05-03T03:34:37Z",
          "gap_stats": {
            "count": 4,
            "max_seconds": 620.0,
            "mean_seconds": 473.75,
            "median_seconds": 451.5,
            "min_seconds": 372.0,
            "most_common_gap_count": 1,
            "most_common_gap_ratio": 0.25,
            "most_common_gap_seconds": 620.0
          },
          "last_timestamp": "2026-05-03T04:06:12Z",
          "zero_gap_count": 0
        },
        "chain_fb758c5cf4a9": {
          "backward_count": 0,
          "event_count": 9,
          "first_timestamp": "2026-05-03T03:32:07Z",
          "gap_stats": {
            "count": 8,
            "max_seconds": 31.0,
            "mean_seconds": 19.625,
            "median_seconds": 24.5,
            "min_seconds": 7.0,
            "most_common_gap_count": 2,
            "most_common_gap_ratio": 0.25,
            "most_common_gap_seconds": 25.0
          },
          "last_timestamp": "2026-05-03T03:34:44Z",
          "zero_gap_count": 0
        }
      },
      "chain_zero_gap_count": 311,
      "decision_counts": {
        "block": 33,
        "collapse": 266,
        "observe": 213
      },
      "error_count": 0,
      "errors": [],
      "event_count": 512,
      "event_file": "reports/pnva-canonical-events-sample-2026-05-05.jsonl",
      "event_type_counts": {
        "ETEV_GUARD_BLOCK": 33,
        "ETEV_GUARD_PASS": 35,
        "cuda_slot_scan": 35,
        "entity_range_assigned": 22,
        "kernel_completed": 17,
        "kernel_launched": 18,
        "network_state_changed": 19,
        "pnva_decision": 53,
        "pnva_engine_evaluated": 78,
        "range_ledger": 38,
        "range_plan_built": 123,
        "runtime_status": 15
      },
      "first_timestamp": "2026-05-02T13:19:00Z",
      "global_backward_count": 1,
      "global_gap_stats": {
        "count": 511,
        "max_seconds": 67659.0,
        "mean_seconds": 122.09,
        "median_seconds": 0.0,
        "min_seconds": -17441.0,
        "most_common_gap_count": 316,
        "most_common_gap_ratio": 0.618395,
        "most_common_gap_seconds": 0.0
      },
      "global_zero_gap_count": 316,
      "global_zero_gap_ratio": 0.618395,
      "last_timestamp": "2026-05-03T06:38:48Z",
      "parsed_timestamp_count": 512,
      "positive_gap_stats": {
        "count": 194,
        "max_seconds": 67659.0,
        "mean_seconds": 411.49,
        "median_seconds": 18.0,
        "min_seconds": 1.0,
        "most_common_gap_count": 18,
        "most_common_gap_ratio": 0.092784,
        "most_common_gap_seconds": 29.0
      },
      "scope": "canonical",
      "span_seconds": 62388.0,
      "top_chains": [
        {
          "causal_chain_id": "chain_021c088f7853",
          "event_count": 128
        },
        {
          "causal_chain_id": "chain_9ce61292fa5a",
          "event_count": 71
        },
        {
          "causal_chain_id": "chain_08fb2e218d52",
          "event_count": 64
        },
        {
          "causal_chain_id": "chain_482433f85efe",
          "event_count": 64
        },
        {
          "causal_chain_id": "chain_92287533f69d",
          "event_count": 52
        },
        {
          "causal_chain_id": "chain_1988457c3d12",
          "event_count": 29
        },
        {
          "causal_chain_id": "chain_8bfdbf9faf43",
          "event_count": 23
        },
        {
          "causal_chain_id": "chain_6709c2ff5904",
          "event_count": 20
        },
        {
          "causal_chain_id": "chain_5eb925c72f32",
          "event_count": 16
        },
        {
          "causal_chain_id": "chain_d5823b382ff9",
          "event_count": 15
        }
      ],
      "warning_count": 2,
      "warnings": [
        {
          "code": "LEGACY_BACKWARD_TIME",
          "detail": "gap_seconds=-17441.0",
          "scope": "canonical",
          "subject": "evt_d5de6f41_000001_6fae5dcf"
        },
        {
          "code": "LEGACY_BATCH_TIMESTAMP_COMPACTION",
          "detail": "zero_gap_count=316",
          "scope": "canonical",
          "subject": "global"
        }
      ]
    },
    {
      "chain_backward_count": 0,
      "chain_count": 1,
      "chain_gap_stats": {
        "count": 6,
        "max_seconds": 2.0,
        "mean_seconds": 2.0,
        "median_seconds": 2.0,
        "min_seconds": 2.0,
        "most_common_gap_count": 6,
        "most_common_gap_ratio": 1.0,
        "most_common_gap_seconds": 2.0
      },
      "chain_summaries": {
        "chain_native_runtime_demo": {
          "backward_count": 0,
          "event_count": 7,
          "first_timestamp": "2026-05-05T04:40:00Z",
          "gap_stats": {
            "count": 6,
            "max_seconds": 2.0,
            "mean_seconds": 2.0,
            "median_seconds": 2.0,
            "min_seconds": 2.0,
            "most_common_gap_count": 6,
            "most_common_gap_ratio": 1.0,
            "most_common_gap_seconds": 2.0
          },
          "last_timestamp": "2026-05-05T04:40:12Z",
          "zero_gap_count": 0
        }
      },
      "chain_zero_gap_count": 0,
      "decision_counts": {
        "block": 2,
        "collapse": 2,
        "observe": 2,
        "prove": 1
      },
      "error_count": 0,
      "errors": [],
      "event_count": 7,
      "event_file": "reports/pnva-native-events-demo-2026-05-05.jsonl",
      "event_type_counts": {
        "ETEV_GUARD_BLOCK": 1,
        "ETEV_GUARD_PASS": 1,
        "FIELD_OBSERVED": 1,
        "PROOF_SEALED": 1,
        "RUNTIME_COLLAPSE": 1,
        "STALE_JOB_PRESSURE": 1,
        "THERMAL_PRESSURE": 1
      },
      "first_timestamp": "2026-05-05T04:40:00Z",
      "global_backward_count": 0,
      "global_gap_stats": {
        "count": 6,
        "max_seconds": 2.0,
        "mean_seconds": 2.0,
        "median_seconds": 2.0,
        "min_seconds": 2.0,
        "most_common_gap_count": 6,
        "most_common_gap_ratio": 1.0,
        "most_common_gap_seconds": 2.0
      },
      "global_zero_gap_count": 0,
      "global_zero_gap_ratio": 0.0,
      "last_timestamp": "2026-05-05T04:40:12Z",
      "parsed_timestamp_count": 7,
      "positive_gap_stats": {
        "count": 6,
        "max_seconds": 2.0,
        "mean_seconds": 2.0,
        "median_seconds": 2.0,
        "min_seconds": 2.0,
        "most_common_gap_count": 6,
        "most_common_gap_ratio": 1.0,
        "most_common_gap_seconds": 2.0
      },
      "scope": "native",
      "span_seconds": 12.0,
      "top_chains": [
        {
          "causal_chain_id": "chain_native_runtime_demo",
          "event_count": 7
        }
      ],
      "warning_count": 0,
      "warnings": []
    }
  ],
  "summary": {
    "legacy_warning_policy": "canonical bridge chronology warnings are preserved as legacy migration evidence; native events are expected to be monotonic and clean",
    "native_chronology_clean": true,
    "total_chain_count": 15,
    "total_event_count": 519,
    "total_global_backward_count": 1,
    "validated_scopes": [
      "canonical",
      "native"
    ]
  },
  "warning_count": 2
}