{
  "title": "The Timekeeper's Heart",
  "author": "Clifton Ellis",
  "date": "2026-07-18",
  "slug": "timekeeper",
  "summary": "A craftsman's meditation on the Deep Space Atomic Clock — precision as a moral act, from Roseville workshops to Mars colonies.",
  "subject": {
    "name": "Deep Space Atomic Clock",
    "wikidata": "Q25304292",
    "launch_date": "2019-06-25",
    "cospar_id": "2019-036C",
    "spacecraft": "Falcon Heavy",
    "mission": "STP-H3",
    "stability_target_seconds_per_myr": 0.1,
    "heart_technology": "Mercury Ion Trap",
    "source_url": "https://wikidata.org/wiki/Q25304292"
  },
  "heritage_links": [
    {
      "title": "Roseville–Mars Toolbelt",
      "url": "roseville-mars-toolbelt.html",
      "relation": "applies same discipline to different scale"
    },
    {
      "title": "Jazz Rhythm Repairs",
      "url": "jazz-repairs.html",
      "relation": "temporal stability as rhythmic integrity"
    },
    {
      "title": "The First Fix",
      "url": "the-first-fix.html",
      "relation": "origin story of repair wisdom"
    }
  ],
  "image_credit": {
    "url": "https://images-assets.nasa.gov/image/PIA24573/PIA24573~medium.jpg",
    "license": "Public Domain",
    "source": "NASA PIA24573"
  },
  "craft_quote": "In Roseville, I teach seniors to fix a leaky faucet by feeling the vibration in the pipe. On Mars, a crew will fix a seal by trusting a clock that hasn't drifted a nanosecond in a decade. Same hands. Different scale.",
  "moral_claim": "Precision is a moral act."
}