{
 "source": "The awareness gradient's hinge years as the Companion's /method page states them (from the author's methodology note, methodology-awareness-gradient.md, 2026-09-13), set beside what the printed book says. The awareness coefficients built on these hinges sit in the Awareness_Coefficient columns of the working datasets; the women's ledger download carries them as 'awareness' and 'captureAdjusted'.",
 "tables": {
  "HINGES": [
   {
    "domain": "Slavery",
    "hinge": 1833,
    "event": "British abolition (Slavery Abolition Act)",
    "companionMethodPage": "1833",
    "book": "1833 (Ch 11, L485, L498)"
   },
   {
    "domain": "Slavery",
    "hinge": 1865,
    "event": "The Thirteenth Amendment",
    "companionMethodPage": "1865",
    "book": "1865 (Ch 11, L498)"
   },
   {
    "domain": "Women's participation",
    "hinge": 1920,
    "event": "The franchise",
    "companionMethodPage": "1920",
    "book": "1918 (Ch 18, L783: the year Britain and Germany extended the franchise to women). The two disagree; see the data page."
   },
   {
    "domain": "Women's participation",
    "hinge": 1948,
    "event": "The Universal Declaration of Human Rights",
    "companionMethodPage": "1948",
    "book": "1948 (Ch 18, L783)"
   },
   {
    "domain": "Religious friction",
    "hinge": 1648,
    "event": "The Peace of Westphalia",
    "companionMethodPage": "1648",
    "book": "Westphalia 1648 appears (Ch 15, L654) but the book does not call it a hinge"
   },
   {
    "domain": "Institutional capture",
    "hinge": null,
    "event": "The deregulation wave of the 1980s",
    "companionMethodPage": "the 1980s",
    "book": "not in the 26d text"
   }
  ]
 }
}