{
  "schema": "kbatch-ancestory-history-density-v1",
  "generated": "2026-07-24T03:17:34.976Z",
  "claim": "Compact year-bin density from history atlas · for site harness rails",
  "bin": 50,
  "counts": {
    "nodes": 11622,
    "dated": 8553,
    "bins": 61,
    "earliest": -15000,
    "latest": 1918
  },
  "density": [
    {
      "year": -15000,
      "count": 1,
      "bin": 50
    },
    {
      "year": -4000,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1850,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1800,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1750,
      "count": 168,
      "bin": 50
    },
    {
      "year": -1700,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1600,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1500,
      "count": 2,
      "bin": 50
    },
    {
      "year": -1300,
      "count": 240,
      "bin": 50
    },
    {
      "year": -1150,
      "count": 2,
      "bin": 50
    },
    {
      "year": -1050,
      "count": 1,
      "bin": 50
    },
    {
      "year": -1000,
      "count": 12,
      "bin": 50
    },
    {
      "year": -950,
      "count": 1,
      "bin": 50
    },
    {
      "year": -800,
      "count": 1,
      "bin": 50
    },
    {
      "year": -650,
      "count": 3,
      "bin": 50
    },
    {
      "year": -600,
      "count": 7,
      "bin": 50
    },
    {
      "year": -550,
      "count": 21,
      "bin": 50
    },
    {
      "year": -500,
      "count": 26,
      "bin": 50
    },
    {
      "year": -450,
      "count": 9,
      "bin": 50
    },
    {
      "year": -400,
      "count": 853,
      "bin": 50
    },
    {
      "year": -350,
      "count": 3,
      "bin": 50
    },
    {
      "year": -250,
      "count": 691,
      "bin": 50
    },
    {
      "year": -150,
      "count": 701,
      "bin": 50
    },
    {
      "year": -100,
      "count": 2,
      "bin": 50
    },
    {
      "year": -50,
      "count": 5,
      "bin": 50
    },
    {
      "year": 0,
      "count": 196,
      "bin": 50
    },
    {
      "year": 50,
      "count": 155,
      "bin": 50
    },
    {
      "year": 200,
      "count": 1,
      "bin": 50
    },
    {
      "year": 250,
      "count": 1,
      "bin": 50
    },
    {
      "year": 350,
      "count": 2,
      "bin": 50
    },
    {
      "year": 400,
      "count": 3,
      "bin": 50
    },
    {
      "year": 450,
      "count": 5,
      "bin": 50
    },
    {
      "year": 500,
      "count": 147,
      "bin": 50
    },
    {
      "year": 550,
      "count": 402,
      "bin": 50
    },
    {
      "year": 600,
      "count": 47,
      "bin": 50
    },
    {
      "year": 650,
      "count": 65,
      "bin": 50
    },
    {
      "year": 700,
      "count": 29,
      "bin": 50
    },
    {
      "year": 750,
      "count": 28,
      "bin": 50
    },
    {
      "year": 800,
      "count": 7,
      "bin": 50
    },
    {
      "year": 850,
      "count": 41,
      "bin": 50
    },
    {
      "year": 900,
      "count": 64,
      "bin": 50
    },
    {
      "year": 950,
      "count": 9,
      "bin": 50
    },
    {
      "year": 1000,
      "count": 851,
      "bin": 50
    },
    {
      "year": 1050,
      "count": 235,
      "bin": 50
    },
    {
      "year": 1100,
      "count": 231,
      "bin": 50
    },
    {
      "year": 1150,
      "count": 179,
      "bin": 50
    },
    {
      "year": 1200,
      "count": 204,
      "bin": 50
    },
    {
      "year": 1250,
      "count": 180,
      "bin": 50
    },
    {
      "year": 1300,
      "count": 141,
      "bin": 50
    },
    {
      "year": 1350,
      "count": 230,
      "bin": 50
    },
    {
      "year": 1400,
      "count": 106,
      "bin": 50
    },
    {
      "year": 1450,
      "count": 108,
      "bin": 50
    },
    {
      "year": 1500,
      "count": 599,
      "bin": 50
    },
    {
      "year": 1550,
      "count": 324,
      "bin": 50
    },
    {
      "year": 1600,
      "count": 275,
      "bin": 50
    },
    {
      "year": 1650,
      "count": 463,
      "bin": 50
    },
    {
      "year": 1700,
      "count": 143,
      "bin": 50
    },
    {
      "year": 1750,
      "count": 139,
      "bin": 50
    },
    {
      "year": 1800,
      "count": 108,
      "bin": 50
    },
    {
      "year": 1850,
      "count": 73,
      "bin": 50
    },
    {
      "year": 1900,
      "count": 8,
      "bin": 50
    }
  ]
}