#pupil
Live, measured metrics for the hashtag #pupil from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #pupil
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 public tags API · fetched 2026-09-25 04:05 UTCNo measured public usage for #pupil 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 public search API · fetched 2026-09-25 04:05 UTCNo related tags with measured usage found for #pupil.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-25 04:05 UTCNo recent public posts found for #pupil on Mastodon. Nothing measured, so nothing shown.
What “pupil” means
Wiktionary · Wikipediapupil/ˈpjuːpəl/
- nounA learner under the supervision of a teacher or professor.
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil. The size of the pupil is controlled by the iris, and varies depending on many factors, the most significant being the amount of light in the environment. The term "pupil" was coined by
“Pupil” on Wikipedia (CC BY-SA) →#pupil across platforms
every network with a public tag surfaceFollow #pupil 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/pupil