#promethium
Live, measured metrics for the hashtag #promethium from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #promethium
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 2026-08-23 22:27 UTCNo measured public usage for #promethium 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 2026-08-23 22:27 UTCNo related tags with measured usage found for #promethium.
Live pulse
measured · Mastodon tag timeline · fetched 2026-08-23 22:27 UTCNo recent public posts found for #promethium on Mastodon. Nothing measured, so nothing shown.
What “promethium” means
WikipediaPromethium is a chemical element; it has symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600 grams naturally occurring in the Earth's crust at any given time. Promethium is one of only two radioactive elements that are both preceded and succeeded in the periodic table by elements with stable forms, the other being technetium. Chemically, promethium is a lanthanide. Promethium shows only one stable oxidation state of +3.
“Promethium” on Wikipedia (CC BY-SA) →#promethium across platforms
every network with a public tag surfaceFollow #promethium 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/promethium