#sievert
Live, measured metrics for the hashtag #sievert from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #sievert
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 · mastodon.social (Mastodon public tags API) · fetched 2026-09-26 09:09 UTCNo measured public usage for #sievert in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-26 09:09 UTCNo related tags with measured usage found for #sievert.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-26 09:09 UTCNo recent public posts found for #sievert on Mastodon. Nothing measured, so nothing shown.
What “sievert” means
Wiktionary · Wikipediasievert/ˈsiːvət/
- nounIn the International System of Units, the derived unit of radiation dose; the dose received in one hour at a distance of 1 cm from a point source of 1 mg of radium in a 0.5 mm thick platinum enclosure. Symbol: Sv
The sievert is a derived unit in the International System of Units (SI) intended to represent the stochastic health risk of ionizing radiation, which is defined as the probability of causing radiation-induced cancer and genetic damage. The sievert is important in dosimetry and radiation protection. It is named after Rolf Maximilian Sievert, a Swedish medical physicist renowned for work on radiation dose measurement and research into the biological effects of radiation.
“Sievert” on Wikipedia (CC BY-SA) →#sievert across platforms
every network with a public tag surfaceFollow #sievert 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/sievert