#koseki
Live, measured metrics for the hashtag #koseki from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #koseki
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-12 10:00 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-08-12 10:00 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-12 10:00 UTCEverything below is measured over the latest 4 public posts (spanning ~17854 hours).
Posting hours (UTC)
Languages: English (4)
Avg boosts / post: 0.3
Top of the latest posts
Osaka High Court: Japan’s Family Registry Discriminates Against Non-Binary People https://web.brid.gy/r/https://unseen-japan.com/osaka-court-koseki-nonbinary-japan/
News, culture, travel, & tours in Japan - Unseen Japan [Unofficial]@[email protected]♥ 0↻ 02026-05-12 21:58 UTCView post →Japan is cracking down on “kira-kira names.” New rules require official furigana in the family register — and not just any reading will do. https://www.japantimes.co.jp/life/2025/06/06/language/furigana-koseki-family-register/?utm_medium=So
For 10 days in the summer, the forests of Japan’s Yamagata prefecture are lit up by #himebotaru, a type of firefly endemic to the region. Photographer #Kazuaki #Koseki has attempted to capture the phenomenon in his Summer Faeries series, co
What “koseki” means
WikipediaA koseki or family register is a Japanese family registry. Japanese law requires all Japanese households to make notifications of their vital records to their local municipal authority.
“Koseki” on Wikipedia (CC BY-SA) →#koseki across platforms
every network with a public tag surfaceFollow #koseki straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/koseki