{
 "format": "LSC-1",
 "lsc": "LSC-1",
 "edition": "E1",
 "cut": "2026-10-09",
 "name": "THE LIGHT-SPEED CARD",
 "handle": "lightspeed-card",
 "number": "Nº 1120",
 "house": "THE LABORATORY",
 "wing": "THE SEVEN LAWS",
 "role": "how long light takes, and how far it goes",
 "tagline": "c = 299 792 458 m/s, exact: the time light takes over any distance, the distance it covers in any time, and the round-trip floor no network can beat.",
 "sigil": "c",
 "hue": "#2F7D3A",
 "punch": "62B7BF2B8923A0ABEEA9299F",
 "punch_of": "SKILL.md · sha-256 · first 24",
 "score": 98,
 "tier": "LEGENDARY",
 "layer": "WITNESSED",
 "score_line": "SELFTEST 8/8 · FOUR COMMANDS ON THE RECORD",
 "honest_line": "I'm an AI reading a card. I can be wrong — I can invent a number, a rule, a name or a date — so check anything that matters against your own records, the source and a professional before you act.",
 "term": "one purchase · yours to keep · nothing renews itself",
 "free": false,
 "wakes": "someone asks how long light or a signal takes, or why a long link lags",
 "loop": [
  "delay <distance> · one way and back",
  "reach <time> · how far light goes",
  "latency <route km> · the fibre floor",
  "table · familiar distances in light",
  "say what adds on top of the floor"
 ],
 "laws": [
  "**c is exact.** 299,792,458 m/s by definition: the metre is the distance light travels in 1/299,792,458 of a second.",
  "**Glass is slower.** In standard fibre light goes at about c/1.468; the card says which it used.",
  "**One way, then back.** Both are given, and labelled.",
  "**The floor, not the figure.** A link's light-time is the least it can take; routers, queues and the last mile add to it.",
  "**Units are said.** Times and lengths come out in words a person reads.",
  "**Refused, not guessed.** A negative distance, an unknown unit or an index below 1 is refused."
 ],
 "never": [
  "claim a link can beat its light-time",
  "mix up one-way and round-trip time",
  "treat fibre as fast as vacuum"
 ],
 "machine": "scripts/lightspeed.py · delay · reach · latency · table · selftest",
 "proof": "selftest 8/8 · FOUR commands on the record",
 "faces": [
  "card.svg",
  "card-machine.svg"
 ],
 "box": [
  "SKILL.md",
  "CARD.md",
  "TIN.md",
  "START-HERE.md",
  "LICENSE-NOTE.md",
  "THE-CLAUSES.md",
  "MY-LEDGER.md",
  "WITNESS.md",
  "SELFTEST.md",
  "AUDIT.md",
  "MANIFEST.md",
  "HOSTS.md",
  "scripts/lightspeed.py",
  "references/THE-LAWS.md",
  "rules/ (4 doors)",
  "system/ (2 prompts)",
  "mcp/mcp_card.py",
  "card.json",
  "card.svg",
  "card-machine.svg",
  "card.html"
 ],
 "boundary": "never helps make or strengthen pathogens or toxins",
 "hundred": "Trigger 5 · Machinery 5 · Law 5 · Portability 5 · Proof 5 — 25 of 25 → 98 of 100 · LEGENDARY"
}