{
  "name": "Calibration card: kilogram",
  "desc": "The values in the Calibration card at the top of the page, one field per row, with the source of each value.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "The Yardstick Almanac",
  "url": "https://theyardstickalmanac.com/units/kilogram-definition/",
  "from": [
    "CGPM, 26th meeting (2018), Resolution 1, On the revision of the International System of Units (SI), in force from 20 May 2019",
    "BIPM, The International System of Units (SI), 9th edition, version 4.01 (June 2026), CC BY 4.0"
  ],
  "how": "Compiled by The Yardstick Almanac from the data listed",
  "data_by": [
    "CGPM Resolution 1 (2018) and the SI Brochure, 9th edition, version 4.01, by the BIPM, CC BY 4.0 (adapted: restated one field per row); 2026-11-01"
  ]
}