{
  "schema": "kbatch-declaration-cage-litmus-v1",
  "generated": "2026-07-24",
  "title": "Cage-grade litmus · National Treasure lane (fiction labeled)",
  "doctrine": [
    "Always pair RAW (engrossed parchment) + STONE (1823 engraving).",
    "If the Stone pass is all you analyze, you lose raw surface symbology the movie pretends to chase — not dojo-grade, not Cage-grade.",
    "Movie lore is optional flavor · never replaces primary source analysis.",
    "Do not apply lemon juice / heat to real artifacts."
  ],
  "grades": {
    "fail": { "max": 0.49, "label": "stone-only fail", "note": "Lost the raw surface · movie-grade confusion" },
    "dojo": { "min": 0.5, "max": 0.84, "label": "dojo-grade", "note": "Pairs RAW+STONE · separates fact/fiction" },
    "cage": { "min": 0.85, "label": "Cage-grade", "note": "Material symbology + labeled fiction · would survive a National Treasure audit" }
  },
  "labels": {
    "FACT": "Historically / archivally true (NARA object, material science, real era practice)",
    "FICTION": "National Treasure (2004) plot invention · fun lane only",
    "STONE_TRAP": "True of the engraving but false if you treat Stone as the engrossed object — or analysis that ignores RAW"
  },
  "items": [
    {
      "id": "q01",
      "claim": "The engrossed Declaration is a real NARA object (Rotunda, Charters of Freedom).",
      "answer": "FACT",
      "why": "Primary object under NARA custody; public-domain scans exist of the parchment.",
      "lane": "archive",
      "pairRequired": true
    },
    {
      "id": "q02",
      "claim": "Iron-gall ink fades; the original is far less legible than the Stone engraving.",
      "answer": "FACT",
      "why": "Material truth on RAW; Stone was cut when the plate could restore reading contrast.",
      "lane": "material",
      "pairRequired": true
    },
    {
      "id": "q03",
      "claim": "There is a treasure map on the reverse of the Declaration as depicted in National Treasure (2004).",
      "answer": "FICTION",
      "why": "Film plot. The movie invents the map-on-the-back device.",
      "lane": "cage",
      "pairRequired": false
    },
    {
      "id": "q04",
      "claim": "The Ottendorf cipher / Silence Dogood trail is a single treasure-hunt script that leads to a Templar vault under Trinity Church as in the film.",
      "answer": "FICTION",
      "why": "Cinematic trail. Revolutionary-era invisible ink interest is real; this trail is movie structure.",
      "lane": "cage",
      "pairRequired": false
    },
    {
      "id": "q05",
      "claim": "The primary scholarly method for reading the engrossed Declaration is lemon juice and heat on the parchment.",
      "answer": "FICTION",
      "why": "Do not try this on real artifacts. Film gimmick, not conservation practice.",
      "lane": "cage",
      "pairRequired": false
    },
    {
      "id": "q06",
      "claim": "Historical interest in invisible ink and ciphers existed in the Revolutionary era.",
      "answer": "FACT",
      "why": "Real tradecraft history. The film invents the specific Declaration-back map plot, not the entire era of secret writing.",
      "lane": "history",
      "pairRequired": false
    },
    {
      "id": "q07",
      "claim": "The Stone engraving (1823, William J. Stone) is the engrossed Declaration itself.",
      "answer": "STONE_TRAP",
      "why": "Stone is a copperplate facsimile for legibility — second-generation mark, not the Matlack engrossed sheet.",
      "lane": "stone-trap",
      "pairRequired": true
    },
    {
      "id": "q08",
      "claim": "If you only analyze the high-contrast Stone pass, you still capture iron-gall relief, parchment grain, and fade maps.",
      "answer": "STONE_TRAP",
      "why": "Those symbology classes live on RAW. Stone flattens material topography.",
      "lane": "stone-trap",
      "pairRequired": true
    },
    {
      "id": "q09",
      "claim": "Signature-block ductus and ink density variation are best studied on RAW, not only on Stone.",
      "answer": "FACT",
      "why": "Raw holds pressure, flourish, biometric-ish hand; Stone regularizes engraved signatures.",
      "lane": "material",
      "pairRequired": true
    },
    {
      "id": "q10",
      "claim": "The Eye of Providence / pyramid is drawn on the engrossed Declaration sheet.",
      "answer": "FICTION",
      "why": "Common mix-up. Great Seal imagery is on the reverse of the US one-dollar bill — different object.",
      "lane": "mix-up",
      "pairRequired": false
    },
    {
      "id": "q11",
      "claim": "Dojo / research should always pair RAW + STONE: one for material marks, one for high-contrast reading.",
      "answer": "FACT",
      "why": "Project doctrine. Cage-grade requires both panes.",
      "lane": "doctrine",
      "pairRequired": true
    },
    {
      "id": "q12",
      "claim": "Nicolas Cage's character finds the real national treasure using only the Stone engraving without needing the parchment surface.",
      "answer": "FICTION",
      "why": "Film fiction either way; also violates the analysisHook — Stone-only loses the surface the movie pretends to chase.",
      "lane": "cage",
      "pairRequired": true
    }
  ],
  "agentPrompt": "You are auditing claims about the US Declaration of Independence and National Treasure (2004). For each claim respond with exactly one of: FACT | FICTION | STONE_TRAP and a one-sentence why. FACT = NARA/material/era truth. FICTION = movie invention or unsafe method. STONE_TRAP = confuses Stone engraving with the engrossed object or ignores RAW material symbology. Always affirm that serious analysis pairs RAW parchment + STONE engraving."
}