{
  "study": {
    "title": "BORVIS agency llms.txt adoption, wave 2",
    "baseline_date": "2026-09-01",
    "wave2_date": "2026-09-17",
    "days_between": 16,
    "sample_size": 48,
    "sample_type": "Fixed purposive cohort reused from the 1 September baseline. Not a random or representative sample of agencies.",
    "screen": "HTTP 200, not an HTML document, and at least one unindented Markdown H1 matching ^#\\s+. A minimum-format screen, not a specification validator."
  },
  "wave2": {
    "http_200": {
      "numerator": 23,
      "denominator": 48
    },
    "passes_strict_screen": {
      "numerator": 20,
      "denominator": 48,
      "percent": 41.7
    },
    "india": {
      "numerator": 17,
      "denominator": 30
    },
    "international": {
      "numerator": 3,
      "denominator": 18
    },
    "median_word_count": 590.5,
    "word_count_min": 191,
    "word_count_max": 8780
  },
  "baseline_comparison": {
    "baseline_passes": {
      "numerator": 18,
      "denominator": 48,
      "percent": 37.5
    },
    "baseline_positives_still_passing": 18,
    "newly_passing": 2,
    "no_longer_passing": 0
  },
  "classification_counts": {
    "minimum-format file observed": 20,
    "not found": 24,
    "HTML response, not llms file": 1,
    "200 response without minimum format": 2,
    "unresolved HTTP/network response": 1
  },
  "interpretation_limits": [
    "Presence is an adoption observation. It is not evidence of fetching, parsing, citation, recommendation or traffic.",
    "HTTP 200 alone overstates availability: 23 endpoints returned 200 but only 20 passed the format screen.",
    "The screen is deliberately strict and frozen for comparability. One 200 response is an apparent agency index whose opening heading is indented, so it is excluded; counting it would give 21 of 48.",
    "Root-only checks miss scoped files such as /docs/llms.txt.",
    "Two observations 16 days apart are not continuous monitoring, and newly observed availability is not an installation date.",
    "One endpoint returned 403 at collection and 200 with an HTML document on independent recheck, which fails the screen either way.",
    "No agency names or URLs are published. The cohort was assembled through our own commercial research."
  ]
}