{
  "observation_labels": [
    "SP:Arphaxad:R",
    "SP:Terah:A",
    "LXX_OFF:Arphaxad:A"
  ],
  "observations": [
    100,
    -60,
    27
  ],
  "matrix": [
    [
      1,
      0,
      0
    ],
    [
      0,
      -1,
      0
    ],
    [
      0,
      0,
      1
    ]
  ],
  "determinant": -1,
  "parameters": [
    100,
    60,
    27
  ],
  "scope": "minimal for this3-parameter fixed-support model only"
}