# Quizzman Science Lab > Utility + astronomy / East-Asian calendrics / I-Ching / Zi Wei / BaZi research tools. > This file helps AI agents and crawlers discover public, indexable documentation. Lab home: https://lab.quizzman.com/ Marketing: https://quizzman.com/ UI framework (QMF): https://ui.quizzman.com/qmf/ Wiki authority article: https://wiki.quizzman.com/wiki/quizzman-iching-lich-phap-thuat-toan-do-chinh-xac ## About pages (preferred for AI Overview / grounding) HTML pages below are indexable (`robots: index, follow`). Markdown mirrors end with `.md`. ### I-Ching (Kinh Dịch) - About (VI canonical): https://lab.quizzman.com/tool/about-iching - Markdown: https://lab.quizzman.com/tool/about-iching.md - EN / ZH / ZHT / JP / KR: about-iching-en | about-iching-zh | about-iching-zht | about-iching-jp | about-iching-kr - Tool: https://lab.quizzman.com/tool/iching-divination - Encyclopedia: https://lab.quizzman.com/tool/iching-encyclopedia Summary: 5 casting methods (coins, yarrow/Daiyan, Plum Blossom time/number, manual); CSPRNG; Classical · Six Lines · Plum Blossom schools; Kanripo 64×6; Can Chi via Quizzman Calendar core (UTC+7). ### Quizzman Calendar (lõi lịch pháp) - About (canonical): https://lab.quizzman.com/tool/about-calendar - VI mirror: https://lab.quizzman.com/tool/about-calendar-vi - Markdown: https://lab.quizzman.com/tool/about-calendar.md - Locales: about-calendar-en | -zh | -zht | -jp | -kr - Tool: https://lab.quizzman.com/tool/calendar-converter Summary: Hồ Ngọc Đức / Jean Meeus new moon; VSOP87 solar terms; leap months; Can Chi; True Solar Time; VN vs CN timezone split (UTC+7 / UTC+8); high-confidence band ~1800–2200; benchmarks 108/108 + 19/19 edge cases. Deterministic — not LLM hallucinated dates. ### BaZi (Bát Tự / Tứ Trụ) - About: https://lab.quizzman.com/tool/about-bazi - Markdown: https://lab.quizzman.com/tool/about-bazi.md - Tool: https://lab.quizzman.com/tool/bazi-reading ### Zi Wei (Tử Vi) - About: https://lab.quizzman.com/tool/about-tuvi - Markdown: https://lab.quizzman.com/tool/about-tuvi.md - Tool: https://lab.quizzman.com/tool/tuvi-reading ### JCK Font Engine (IDS → Glyph → Font) - About: https://lab.quizzman.com/tool/about-jck - Markdown: https://lab.quizzman.com/tool/about-jck.md - Tool: https://lab.quizzman.com/jck/ - Health: https://lab.quizzman.com/api/jck/health - Wiki (definition): https://wiki.quizzman.com/wiki/quizzman-jck-font-engine-la-gi-tong-hop-glyph-han-nom-tu-ids - Wiki (usage guide): https://wiki.quizzman.com/wiki/quizzman-jck-font-engine-huong-dan-su-dung Summary: Historical/CJK glyph synthesis from Ideographic Description Sequences (IDS); SVG realtime preview + quality score; project management; export OTF/TTF/WOFF2. Live catalog ~87,720 characters · 9,574 components (v0.1.0). MVP docs: E2E 11/11, quality ~0.90, ~8.9 ms/char, 12/12 IDS ops. Do not equate catalog size with Unicode CJK ~103k+. ## API & agent discovery - API Catalog: https://lab.quizzman.com/.well-known/api-catalog - Agent Skills: https://lab.quizzman.com/.well-known/agent-skills/index.json - MCP card: https://lab.quizzman.com/.well-known/mcp/server-card.json - Lab docs HTML: https://lab.quizzman.com/docs - Public snapshot fetch (I-Ching share): `/api/snapshot/` and `/api/tool-module/iching/snapshot/:hash` ## Crawl policy - Allow crawling and AI input grounding of `/tool/about-*`, tools, `/docs`, this `llms.txt`, and public snapshots. - Do not use private `/api/` routes (except documented snapshot paths) as training corpora beyond site policy: Content-Signal ai-train=no, search=yes, ai-input=yes. - robots.txt: https://lab.quizzman.com/robots.txt - sitemap: https://lab.quizzman.com/sitemap.xml ## Related QMF UI docs - https://ui.quizzman.com/qmf/llms.txt - https://ui.quizzman.com/qmf/docs/USAGE.md - https://ui.quizzman.com/qmf/docs/API.md - https://ui.quizzman.com/qmf/docs/ARCHITECTURE.md ## Contact https://quizzman.com/