{
  "accessibility_fallback": "The reviewed projection contains 22803911 source rows across 20000 publisher entities.",
  "audience": "Readers exploring publisher concentration and citation-quality signals.",
  "card_id": "wave0-landscape",
  "caveats": [
    "This is an exploratory projection, not a population estimate of publisher influence.",
    "No ranking or causal interpretation is authorized by this card."
  ],
  "claim_grade": "C4-exploratory",
  "primary_metric": {
    "denominator": 20000,
    "estimator": "Arithmetic mean over the reviewed publisher projection.",
    "label": "Mean source rows per projected publisher",
    "numerator": 22803911,
    "uncertainty": "Exploratory projection; entity normalization and truncation bound interpretation.",
    "unit": "source rows per projected publisher",
    "value": "1140.1956"
  },
  "schema_version": 1,
  "source_configs": [
    "publishers"
  ],
  "supporting_metrics": [],
  "title": "Wave 0 publisher landscape"
}