{
  "name": "THE TOLERANCE CARD",
  "handle": "tolerance-card",
  "number": "698 PROPOSED",
  "edition": 2,
  "house": "THE INSTRUMENTS",
  "sigil": "±",
  "hue": "#4C2E6B",
  "role": "the stack-up, worst case and statistical",
  "tagline": "WORST CASE AND RSS, EVERY TIME",
  "honest_line": "Symmetric tolerances, linear stacks. Geometric tolerances, thermal growth and fits are the designer's.",
  "wakes": [
    "several dimensions with tolerances add up to a gap",
    "can this gap ever close",
    "worst-case and statistical stack-up"
  ],
  "loop": [
    "NAME — `This is THE TOLERANCE CARD.`",
    "ASK — the dimensions, tolerances and signs.",
    "STACK — nominal, worst case, RSS.",
    "READ — whether the gap can close.",
    "RECORD — the stack in the drawing notes.",
    "LEDGER — write the ledger line."
  ],
  "never": [
    "a part certified",
    "a tolerance set for you",
    "a closing gap left unsaid"
  ],
  "laws": [
    "Worst case and RSS both, every time.",
    "A gap that can close is said out loud.",
    "Symmetric tolerances only; the card says so."
  ],
  "box": [
    "references/THE-METHOD.md",
    "EVALS.json",
    "EVALS.md",
    "scripts/evals.py",
    "CARD.md · SKILL.md · TIN.md · START-HERE.md · MY-LEDGER.md · THE-CLAUSES.md · LICENSE-NOTE.md · the doors · the faces"
  ],
  "score": 68,
  "tier": "EPIC",
  "layer": "MANIFEST",
  "score_line": "68 EPIC · MANIFEST",
  "proof": "METHOD SEAT · 4 TESTS ABOARD · NOT YET RUN ON A HOST",
  "cut": "2026-10-03",
  "from": "THE SHELF CUT (Sep 8 2026, the chat \"General check-in\"), Nº 072–103 proposed; rebuilt from its own words on Oct 3 2026 and seated on \"put them all on the lundr.tech theme\"; the first cut (THE SHELF CUT, Sep 8 2026) carried a machine, scripts/tolerance.py, and scored 98 WITNESSED; this edition is rebuilt from that cut's own words and does not carry the machine yet — it returns, and the mark with it, when the machine is recovered from that session",
  "room": {
    "what_it_is": [
      "Dimensions with their tolerances and a sign for each — does it add to the gap or take from it; the nominal, the worst-case limits and the root-sum-square limits come out, and whether the gap can go negative is said.",
      "Checks, never certifies."
    ]
  },
  "lsc": "LSC-1",
  "punch": "87CC6CD2AC3BE12A67B0381C",
  "punch_of": "sha256(SKILL.md)[:96 bits]",
  "skill_sha256": "87cc6cd2ac3be12a67b0381c9207c28a39066776886e49ef5957f6143507786b",
  "faces": [
    "card.svg",
    "card-machine.svg",
    "card.html"
  ]
}