{
  "schemaVersion": "1.0",
  "effectiveDate": "2026-08-10",
  "baselineCommit": "6585348a0aa4c7a89ee0dafcaf29ca719cae56fd",
  "policy": "prospective-only-no-legacy-backfill",
  "status": "prospective-intake-ledger",
  "claimCeiling": "This ledger records workflow observations and explicit missingness. It does not by itself identify a causal acceleration effect, validate research claims or measure policy or productivity impact.",
  "requiredAtIntake": [
    "attemptId",
    "workId",
    "registeredAt",
    "aims",
    "question",
    "selectionBasis",
    "taskClass",
    "decisionObjectTarget",
    "comparisonPlan"
  ],
  "workStatuses": [
    "active",
    "result-ready",
    "release-candidate",
    "published",
    "stopped",
    "abandoned",
    "superseded"
  ],
  "measurementStatuses": [
    "measured-complete",
    "measured-partial",
    "not-recorded"
  ],
  "cohorts": [
    "prospective",
    "left-censored-at-adoption"
  ],
  "resultClasses": [
    "pending",
    "positive",
    "negative",
    "partial",
    "null",
    "no-substantive-result"
  ],
  "attempts": [],
  "updatePolicy": {
    "cadence": "Create a record at intake, update it at each recorded milestone or status change, and close it when the work is published, stopped, abandoned or superseded.",
    "rules": [
      "Record every in-scope attempt at intake, not only work that later becomes a release.",
      "Use null plus an explicit missingness reason when time, resource or cost data were not recorded; never reconstruct them from commit or publication timestamps.",
      "Preserve stopped, abandoned and superseded attempts so the denominator and negative knowledge remain visible.",
      "Keep workflow observations separate from research assurance and real-world impact evidence.",
      "Append a dated revision when a published work record changes materially; do not silently rewrite its earlier status or measurements."
    ]
  },
  "changeLog": [
    {
      "date": "2026-08-10",
      "summary": "Created the prospective intake ledger with no reconstructed historical attempts."
    }
  ]
}