{
 "slug": "published-refresh-cadence",
 "url": "https://stillosdigitalholdings.com/findings/published-refresh-cadence",
 "question": "Do public data portals actually refresh their datasets as often as they say they do?",
 "headline": "103 of 105 dataset observations were past their own advertised refresh cadence.",
 "cite_as": "98.1% of public-portal dataset observations were past the portal's own advertised refresh cadence (Still OS Digital Holdings LLC, data-integrity verdict engine, n=105 observations across 17 portals, as of 2026-10-28).",
 "numbers": {
  "Dataset observations": "105",
  "Past their advertised cadence": "103 (98.1%)",
  "Within cadence": "2",
  "Distinct portals": "17",
  "Distinct datasets": "101",
  "Most recent observation": "2026-10-28"
 },
 "method": "For each dataset the portal's own declared cadence is read from its metadata and compared against its own reported last-updated timestamp at observation time. Freshness and schema substance are recorded as separate states, and each observation is hash-chained to its predecessor.",
 "producers": [
  "/home/marcus/state/data-integrity/observations.jsonl"
 ]
}