{
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      "properties": {
        "gap_id": {"pattern": "^[A-Z]+-[0-9]{2}$", "type": "string"},
        "meaning": {"minLength": 1, "type": "string"}
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            "local_model_time",
            "model_tick",
            "model_time",
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            "not_applicable",
            "protocol_time",
            "replay_step_time",
            "software_timestep",
            "synthetic_simulation"
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        "direct_actuation_authorized": {"const": false},
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            "physical_intent_simulation",
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            "synthetic_fixture",
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          "type": "array",
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          "type": "array",
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        "sources",
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      "type": "object"
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      "properties": {
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            "SCPN-MIF-CORE",
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        },
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    "sha256": {"pattern": "^[0-9a-f]{64}$", "type": "string"},
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      "properties": {
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  "description": "Review-only ledger of externally meaningful reactor phase, mode, regime, event, clock, and semantic-boundary occurrence groups at exact repository revisions.",
  "properties": {
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      "properties": {
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          "properties": {
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            "SCPN-PHASE-ORCHESTRATOR": {"const": 12},
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        "direct_actuation_authorized": {"const": false},
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          "items": {"$ref": "#/$defs/gap"},
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        },
        "inclusion_rule": {"minLength": 1, "type": "string"},
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            "properties": {
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        "raw_scan_note": {"minLength": 1, "type": "string"},
        "scan_date": {"const": "2026-09-02"},
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          "const": ["phase", "mode", "regime", "event", "clock"],
          "type": "array"
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        "source_evidence_rule": {"minLength": 1, "type": "string"}
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        "source_evidence_rule"
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    "payload_sha256": {"$ref": "#/$defs/sha256"},
    "schema": {
      "const": "scpn-phase-orchestrator.reactor-signal-occurrence-ledger.v1"
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    "schema_version": {"const": "1.0.0"}
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}