{
 "title": "D Fetcher",
 "site": "台灣 AI 代理人任務中樞",
 "canonical": "https://penguindriver.com/s/com.dfetcher%2Fvitamin-d",
 "markdown": "https://penguindriver.com/s/com.dfetcher%2Fvitamin-d.md",
 "summary": "Vitamin D synthesis calculator: sun position, UV, IU/min, time to dose, sunburn risk, daily window.",
 "date_modified": null,
 "retrieved": "2026-10-17",
 "content_sha256": "bd59a5636bfa550977bc4cafd8bba34af30ae8d0258227a67eca25077f47fd5c",
 "fingerprint_basis": "Markdown 版全文，移除贊助行與開頭 front matter，去除頭尾空白",
 "verify": {
  "text_snapshot": "https://penguindriver.com/cite?path=%2Fs%2Fcom.dfetcher%252Fvitamin-d&format=text",
  "how": "下載 text_snapshot 後計算 SHA-256，應與 content_sha256 相同；內容更新時指紋會改變"
 },
 "sources": [
  {
   "name": "https://github.com/rgrieselhuber/dfetcher",
   "url": "https://github.com/rgrieselhuber/dfetcher"
  },
  {
   "name": "https://dfetcher.com",
   "url": "https://dfetcher.com"
  }
 ],
 "source_count": 2,
 "cite_as": {
  "zh": "D Fetcher｜台灣 AI 代理人任務中樞。https://penguindriver.com/s/com.dfetcher%2Fvitamin-d（資料日期 未標示，擷取 2026-10-17）",
  "apa": "台灣 AI 代理人任務中樞. (2026). D Fetcher. Retrieved 2026-10-17, from https://penguindriver.com/s/com.dfetcher%2Fvitamin-d",
  "markdown": "[D Fetcher](https://penguindriver.com/s/com.dfetcher%2Fvitamin-d)（台灣 AI 代理人任務中樞，2026-10-17）"
 },
 "license": "可引用，請附上正式網址與資料日期"
}