{
  "id": "blind.unobserved",
  "term": "blind",
  "sense": "unobserved",
  "pos": "adjective",
  "status": "review",
  "level": 15,
  "arena": "system",
  "domain": "parameter.condition",
  "style": "window",
  "definition": "a parameter with no feedback, so it can drift without being held in its window",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "parameter.condition",
      "feedback.communication",
      "drift.aimless",
      "window.range",
      "held.grip"
    ],
    "interaction": "The absence of feedback prevents the parameter from being held, allowing aimless drift beyond the range boundaries.",
    "novel_properties": [
      "unconstrained drift",
      "loss of boundary enforcement",
      "unobserved parameter state"
    ]
  },
  "examples": [
    {
      "text": "The Hubble Space Telescope's primary mirror, polished to the wrong curvature, remained uncorrected for three years after launch due to no in-situ feedback mechanism.",
      "domain": "engineering"
    },
    {
      "text": "In 2008, Iceland’s banking sector collapsed after loan-to-deposit ratios drifted beyond 10:1 with no regulatory feedback loop.",
      "domain": "economics"
    },
    {
      "text": "The Mars Climate Orbiter burned up in the atmosphere because thruster data was in pounds-force while software expected newtons, with no cross-checking.",
      "domain": "computing"
    }
  ],
  "relations": [
    {
      "id": "feedback.communication",
      "type": "is-a",
      "note": "feedback is present in non-blind systems"
    },
    {
      "id": "drift.aimless",
      "type": "contrasts-with",
      "note": "drift occurs unrestrained when blind"
    }
  ],
  "used_by": [
    "the-three-tiers.structure"
  ],
  "forms": [
    "blind",
    "blinder",
    "blindest",
    "blindly",
    "blindness"
  ],
  "closed": true,
  "provenance": {
    "author": "retrofit:qwen/qwen3-235b-a22b-2507",
    "date": "2026-07-29",
    "confidence": 0.8,
    "sources": [
      "Sample/hundred-words-six-terms.md"
    ],
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "Removed 'hold.physical' and 'windows.open curriculum' (invalid) — the former is too concrete, the latter is unrelated. Added 'held.grip' (L5) as the appropriate conceptual anchor for 'held' in the def"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-blind.unobserved"
}