{
  "schema_version": 1,
  "experiment": "course-01/density",
  "source_files": [
    {
      "path": "experiments/course-01/density/experiment.json",
      "sha256": "ac30dbb08e79b71747183139a4ef1087b8bb886df5fbe8b239ad831386e063b4"
    },
    {
      "path": "experiments/course-01/density/data/solid.csv",
      "sha256": "faf5f4161da8862de4826e026b31b427957ec64200b476fbe511687ef94ad3a6"
    },
    {
      "path": "experiments/course-01/density/data/liquid.csv",
      "sha256": "b33bca425fa6efa5d1ce3cfac58f6846518b12bda9c0eeadc10f2c1621d5f7b3"
    },
    {
      "path": "experiments/course-01/density/data/provenance.json",
      "sha256": "453fe533d3b5bf04eb84bf63e3e55a170cb9f4a7469a0f2ceca2f0fede48fa91"
    }
  ],
  "water_density_g_cm3": 0.99779,
  "temperature_c": 21.8,
  "mass_groups": [
    {
      "object": "air",
      "readings": [
        44.82,
        44.81,
        44.83
      ],
      "mean": 44.81999999999999
    },
    {
      "object": "submerged",
      "readings": [
        39.17,
        39.16,
        39.15
      ],
      "mean": 39.16
    },
    {
      "object": "empty",
      "readings": [
        31.64,
        31.62,
        31.63
      ],
      "mean": 31.63
    },
    {
      "object": "water",
      "readings": [
        47.62,
        47.64,
        47.63
      ],
      "mean": 47.629999999999995
    },
    {
      "object": "liquid",
      "readings": [
        49.02,
        49.0,
        49.01
      ],
      "mean": 49.01
    }
  ],
  "derived": {
    "solid_density": 7.90122752650177,
    "liquid_density": 1.0838493875000001
  },
  "notes": [
    "0.01 g记录位数不代表已核实天平准确度。",
    "忽略空气浮力、吊丝排水和温度漂移；水密度采用原报告值。"
  ]
}