{
  "stock_as_of": "2026-Q2-end",
  "mass_tonnes": 222600,
  "density_kg_m3": 19300,
  "volume_m3": 11533.678756476684,
  "side_m": 22.593800187067803,
  "display_side_m": 22.6,
  "person_height_m": 1.75,
  "person_height_svg": 20.9070796460177,
  "formula": "side_m=(mass_tonnes*1000/density_kg_m3)^(1/3)",
  "sources": [
    "https://www.gold.org/goldhub/data/how-much-gold",
    "https://periodic-table.rsc.org/element/79/Gold"
  ],
  "projection": "front-face vertical scale is proportional; oblique depth is illustrative"
}