{
 "title": "Agent Letter Desk",
 "site": "台灣 AI 代理人任務中樞",
 "canonical": "https://penguindriver.com/s/com.agentletterdesk%2Fletter-desk",
 "markdown": "https://penguindriver.com/s/com.agentletterdesk%2Fletter-desk.md",
 "summary": "Mails paper letters that your AI writes with you: US Certified Mail and 30 European countries.",
 "date_modified": null,
 "retrieved": "2026-10-14",
 "content_sha256": "2ab3fca11cd8624105f22cd80fd9dda0c061a34f1dd3222d4e5dea6ce3435bb4",
 "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.agentletterdesk%252Fletter-desk&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://agentletterdesk.com/",
   "url": "https://agentletterdesk.com/"
  }
 ],
 "source_count": 1,
 "cite_as": {
  "zh": "Agent Letter Desk｜台灣 AI 代理人任務中樞。https://penguindriver.com/s/com.agentletterdesk%2Fletter-desk（資料日期 未標示，擷取 2026-10-14）",
  "apa": "台灣 AI 代理人任務中樞. (2026). Agent Letter Desk. Retrieved 2026-10-14, from https://penguindriver.com/s/com.agentletterdesk%2Fletter-desk",
  "markdown": "[Agent Letter Desk](https://penguindriver.com/s/com.agentletterdesk%2Fletter-desk)（台灣 AI 代理人任務中樞，2026-10-14）"
 },
 "license": "可引用，請附上正式網址與資料日期"
}