{
  "id": "sanity-check.trust",
  "term": "sanity check",
  "sense": "trust",
  "pos": "noun",
  "status": "review",
  "level": 16,
  "arena": "model and trust",
  "domain": "cognitive",
  "style": "folk",
  "definition": "a moment when a self-model is tested against the model it holds, revealing whether trust in that model still fits within the window of coherence",
  "folk_gloss": "a quick review to make sure something makes sense",
  "emergence": {
    "components": [
      "self-model.reflexive",
      "model.representation",
      "trust.reliance",
      "coherence.state",
      "window.range"
    ],
    "interaction": "internal",
    "novel_properties": [
      "model-fit",
      "trust-boundary"
    ]
  },
  "examples": [
    {
      "text": "The Hubble Space Telescope's gyroscope failures in 2018 triggered onboard mode switches that preserved minimal function until ground control verified safe orientation.",
      "domain": "engineering"
    },
    {
      "text": "In 2008, the New York Stock Exchange halted trading of affected securities during the 'flash crash' when algorithmic prices diverged wildly from expected ranges.",
      "domain": "economics"
    },
    {
      "text": "After the Mars Climate Orbiter burned up in 1999, NASA implemented unit-check protocols to verify metric consistency across engineering teams.",
      "domain": "computing"
    }
  ],
  "relations": [],
  "used_by": [],
  "forms": [
    "sanity check"
  ],
  "closed": false,
  "provenance": {
    "author": "phrases:qwen/qwen3-235b-a22b-2507",
    "date": "2026-07-29",
    "confidence": 0.7,
    "sources": [
      "folk phrase — model and trust"
    ]
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-sanity-check.trust"
}