{
  "title": "Native context evidence",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "scope": {"type": "string", "minLength": 1},
    "evidence": {
      "type": "array",
      "maxItems": 50,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "claim": {"type": "string", "minLength": 1},
          "location": {"type": "string", "minLength": 1},
          "observation": {"type": "string", "minLength": 1}
        },
        "required": ["claim", "location", "observation"]
      }
    },
    "invariants": {"type": "array", "items": {"type": "string"}, "maxItems": 30},
    "falsifying_tests": {"type": "array", "items": {"type": "string"}, "maxItems": 30},
    "uncertainties": {"type": "array", "items": {"type": "string"}, "maxItems": 30}
  },
  "required": ["scope", "evidence", "invariants", "falsifying_tests", "uncertainties"]
}