{
  "id": "guth-news-freshness-v1",
  "version": 1,
  "title": "AI news freshness explorer",
  "scope": "Filter the current public Guth news snapshot by publisher timestamp and topic. This does not verify claims, rank research quality, or crawl new sources.",
  "endpoint": "https://news.guthlabs.ai/feed.json",
  "method": "GET",
  "authentication": "none",
  "inputs": {
    "hours": {
      "minimum": 1,
      "maximum": 2160,
      "default": 168
    },
    "topic": {
      "default": "all"
    }
  },
  "method_notes": [
    "Keep entries with a known publication timestamp between now minus hours and now.",
    "Apply an exact topic match when topic is not all. Topics are heuristic labels.",
    "Return source URLs with every result. Missing publication dates are excluded."
  ],
  "polling": {
    "minimum_interval_seconds": 60,
    "upstream_feed_interval_seconds": 300
  },
  "rights": "Publisher content retains its original rights. Link to the original sources; this instrument does not grant republication rights."
}