{
  "checked_at": "2026-07-13T23:33:00-04:00",
  "urls_checked": 50,
  "resolved_redirected_or_access_blocked": 50,
  "hard_failures": 0,
  "method": "HTTP GET with a research user agent; 2xx/3xx accepted; 401/403/429 recorded as access-blocked rather than missing; one university page with a local CA-chain error was independently browser-verified.",
  "scope": "URLs appearing in paper/manuscript.md and sources/*.csv",
  "warning": "A successful HTTP response verifies reachability, not the truth of every factual claim. Claim verification also used court, government, publisher, and source-class review recorded in research/alpr-flock-literature-legal-dossier.md."
}