{
  "dataset": "state-of-the-agentic-web",
  "record": {
    "id": "markdown-negotiation-adoption-2026",
    "metric": "Markdown content-negotiation adoption",
    "metric_family": "standard-adoption",
    "measures_pillar": "/agent-readiness",
    "entity_measured": "markdown twins",
    "value": "~3.9",
    "unit": "% of sites serving agents markdown",
    "date": "2026",
    "period": "2026-Q2",
    "figure_kind": "reported",
    "source_or_methodology": "https://— third-party estimate; confirm at build",
    "verify_status": "verify-against-primary-at-build",
    "trend": "flat",
    "last_verified": "2026-06-15",
    "note": "ecosystem estimate, not primary-confirmed"
  }
}