Show HN: 500 years of Joseon court omens as an observability dashboard
The Joseon court recorded various natural phenomena as omens to determine the Mandate of Heaven. These records include eclipses, comets, droughts, floods, and tiger incursions, which were seen as signs of Heaven's approval or disapproval. The records have been compiled into an observability dashboard, providing a unique perspective on the dynasty's history.
- ▪The Joseon court recorded natural phenomena for 500 years.
- ▪The records include eclipses, comets, droughts, floods, and tiger incursions.
- ▪The dashboard is based on real records from the 朝鮮王朝實錄.
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Record
| Original publisher | Ajin |
| Canonical URL | https://ajin.im/is/building/omen.ops/ |
| Publication time | Sat, 30 May 2026 19:23:36 +0000 |
| Retrieval time | 2026-05-30T19:29:44.116Z |
| Last seen | 2026-05-30T19:29:44.116Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | pvCqORtmL_OV |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
The Joseon court — the dynasty that ruled Korea for five centuries (1392–1897) — watched and recorded eclipses, comets, droughts, floods, and tiger incursions as signs bearing on the Mandate of Heaven: Heaven's read on whether the dynasty should stand. This console logs those readings as operational telemetry — every entry a real record from the 朝鮮王朝實錄.
Excerpt limited to ~120 words for fair-use compliance. The full article is at Ajin.
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