{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "area": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80
    },
    "temperature_c": {
      "type": "number",
      "minimum": -100,
      "maximum": 70
    },
    "condition": {
      "type": "string",
      "enum": [
        "clear",
        "cloudy",
        "rain",
        "snow"
      ]
    },
    "observed_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"
    },
    "observation_id": {
      "type": "string",
      "format": "uuid",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
    },
    "grant_id": {
      "type": "string",
      "format": "uuid",
      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
    },
    "location_revision": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 9007199254740991
    },
    "source": {
      "type": "string",
      "const": "fixture-weather"
    },
    "synthetic": {
      "type": "boolean",
      "const": true
    }
  },
  "required": [
    "area",
    "temperature_c",
    "condition",
    "observed_at",
    "observation_id",
    "grant_id",
    "location_revision",
    "source",
    "synthetic"
  ],
  "additionalProperties": false,
  "description": "Derived weather and provenance, encrypted to the assigned agent. No exact coordinates.",
  "title": "WeatherObservation",
  "$comment": "owp-market-local/0.2; fictional loopback market, non-redeemable test credits only."
}