{
  "id": "OE-R3-2140",
  "version": 1,
  "epoch": "2140-03-22",
  "dayConvention": "epoch is day one; calendar days in Asia/Shanghai",
  "coverageStart": "2151-09-30T00:00:00+08:00",
  "coverageEnd": "2151-10-03T18:00:00+08:00",
  "events": [
    {
      "eventAt": "2151-09-30T00:00:00+08:00",
      "state": "sealed"
    },
    {
      "eventAt": "2151-10-01T08:40:00+08:00",
      "state": "sealed",
      "note": "External optical inspection; no material transfer."
    }
  ],
  "sampledAt": "2151-09-30T12:00:00+08:00",
  "samples": [
    {
      "day": 4183,
      "oxygen": 20.7,
      "algae": 1.12
    },
    {
      "day": 4190,
      "oxygen": 20.6,
      "algae": 1.09
    },
    {
      "day": 4197,
      "oxygen": 20.8,
      "algae": 1.15
    },
    {
      "day": 4204,
      "oxygen": 20.7,
      "algae": 1.14
    },
    {
      "day": 4210,
      "oxygen": 20.6,
      "algae": 1.1
    }
  ],
  "units": {
    "oxygen": "dry-gas oxygen volume percent",
    "algae": "optical density at 680 nm; dimensionless"
  },
  "scope": "Third-ring chamber R3, five weekly observations; not a whole satellite-city survey"
}