{
 "operator": "ROIS-DS",
 "slug": "rois",
 "docs": "https://ds.rois.ac.jp/en_center8/en_crawler/",
 "crawler_count": 1,
 "crawlers": [
  {
   "slug": "cotoyogi",
   "name": "Cotoyogi",
   "operator": "ROIS-DS",
   "operator_slug": "rois",
   "category": "ai-training",
   "category_label": "AI training crawlers",
   "robots_token": "Cotoyogi",
   "user_agent_substring": "Cotoyogi",
   "user_agent_example": "Cotoyogi",
   "respects_robots_txt": "documented",
   "respects_robots_txt_label": "obeys robots.txt (documented)",
   "verification_method": "none",
   "verification_label": "no published verification method",
   "published_ip_ranges_url": null,
   "ip_ranges_endpoint": null,
   "ipv4_prefix_count": 0,
   "ipv6_prefix_count": 0,
   "what_it_is": "A crawler run by ROIS-DS, a Japanese inter-university research organisation, collecting Japanese-language text for AI training. It publishes a crawler page in English and Japanese.",
   "cost_of_blocking": "Your Japanese-language content is left out of an academic training corpus.",
   "operator_docs": "https://ds.rois.ac.jp/en_center8/en_crawler/",
   "html_url": "https://www.pathwren.workers.dev/crawler/cotoyogi.html",
   "json_url": "https://www.pathwren.workers.dev/crawler/cotoyogi.json",
   "last_reviewed": "2026-09-01"
  }
 ],
 "ip_range_endpoints": []
}