{
  "measurements": [
    "total",
    "Jared excess",
    "Methuselah excess"
  ],
  "matrix": [
    [
      1,
      1,
      1
    ],
    [
      1,
      0,
      0
    ],
    [
      0,
      1,
      0
    ]
  ],
  "determinant": 1,
  "observed": [
    488,
    115,
    249
  ],
  "recovered_excesses": [
    115,
    249,
    124
  ],
  "limitation": "Two independent located measurements suffice and are necessary for unrestricted rational positive-branch recovery; their values remain source-supplied."
}