{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://gateway.eu1.mindsphere.io/schemas/timeseries",
  "title": "MindSphere Time Series Data Point",
  "description": "A timestamped telemetry data point for an asset aspect in MindSphere IoT Time Series",
  "type": "object",
  "properties": {
    "_time": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 UTC timestamp for the measurement",
      "examples": ["2026-01-15T08:30:00.000Z"]
    }
  },
  "required": ["_time"],
  "additionalProperties": {
    "description": "Variable measurement value. Key is the variable name as defined in the aspect type. Null indicates a quality issue or missing data.",
    "oneOf": [
      {
        "type": "number",
        "description": "Numeric measurement (DOUBLE, LONG, INT types)"
      },
      {
        "type": "string",
        "description": "String measurement (STRING, BIG_STRING, TIMESTAMP types)"
      },
      {
        "type": "boolean",
        "description": "Boolean measurement (BOOLEAN type)"
      },
      {
        "type": "null",
        "description": "Missing or invalid data point"
      }
    ]
  },
  "examples": [
    {
      "_time": "2026-01-15T08:30:00.000Z",
      "temperature": 72.5,
      "pressure": 1.023,
      "vibration": 0.12,
      "operationalStatus": true,
      "errorCode": null
    }
  ]
}