#neptunium
Live, measured metrics for the hashtag #neptunium from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #neptunium
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 2026-08-12 05:18 UTCNo measured public usage for #neptunium 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 2026-08-12 05:18 UTCNo related tags with measured usage found for #neptunium.
Live pulse
measured · Mastodon tag timeline · fetched 2026-08-12 05:18 UTCNo recent public posts found for #neptunium on Mastodon. Nothing measured, so nothing shown.
What “neptunium” means
WikipediaNeptunium is a chemical element; it has symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. It is named after Neptune, the planet beyond Uranus in the Solar System, which uranium is named after. A neptunium atom has 93 protons and 93 electrons, of which seven are valence electrons. Neptunium metal is silvery and tarnishes when exposed to air. The element occurs in three allotropic forms and it normally exhibits five oxidation states, ranging
“Neptunium” on Wikipedia (CC BY-SA) →#neptunium across platforms
every network with a public tag surfaceFollow #neptunium 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/neptunium