{
 "format": "LSC-1",
 "lsc": "LSC-1",
 "edition": "E1",
 "cut": "2026-10-09",
 "name": "THE PHOTON CARD",
 "handle": "photon-card",
 "number": "Nº 1122",
 "house": "THE LABORATORY",
 "wing": "THE SEVEN LAWS",
 "role": "light in quanta: E = hf",
 "tagline": "E = hf, with h exact since 2019: wavelength, frequency and energy of any light turned into each other, hydrogen's spectral lines, and how many photons a beam carries.",
 "sigil": "h",
 "hue": "#2F7D3A",
 "punch": "0AF2A42E8555AA1CC7ABED9C",
 "punch_of": "SKILL.md · sha-256 · first 24",
 "score": 98,
 "tier": "LEGENDARY",
 "layer": "WITNESSED",
 "score_line": "SELFTEST 8/8 · THREE 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 about a wavelength, a colour, a photon's energy or a spectral line",
 "loop": [
  "photon <value> <unit> · all three",
  "hydrogen <series> · the lines",
  "count <W> <nm> · photons a second",
  "name the band it falls in",
  "say vacuum or air wavelength"
 ],
 "laws": [
  "**h is exact.** 6.62607015 × 10⁻³⁴ J s since the 2019 redefinition of the kilogram.",
  "**Three faces of one thing.** Wavelength, frequency and energy are the same photon said three ways; the card gives all three.",
  "**Vacuum wavelengths.** Hydrogen's lines are given in vacuum; in air they are about 0.03% shorter, and the card says so.",
  "**The reduced mass.** The Rydberg constant for hydrogen, not the infinite-mass one, so Balmer alpha comes out 656.47 nm.",
  "**Colour names are bands.** Where green ends and cyan begins is a convention; the numbers are not.",
  "**Refused, not guessed.** Zero or negative values and unknown units are refused."
 ],
 "never": [
  "mix vacuum and air wavelengths unsaid",
  "give a photon of zero wavelength",
  "treat colour names as exact edges"
 ],
 "machine": "scripts/photon.py · photon · hydrogen · count · selftest",
 "proof": "selftest 8/8 · THREE 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/photon.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"
}