#lightcone
Live, measured metrics for the hashtag #lightcone from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #lightcone
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 2026-09-11 12:48 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 2026-09-11 12:48 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-11 12:48 UTCEverything below is measured over the latest 6 public posts (spanning ~41040 hours).
Posting hours (UTC)
Languages: English (6)
Avg boosts / post: 0.7
Top of the latest posts
@Free_Press #Fermi #Paradox #DrakeEquation #LightCone #SciFi #Trope
#TimeTravelTuesday #ThoughtExperiment: Many #Worldlets? or in other words, fractions of #World, not the whole World. #TimeTraveler #theories often involve splitting or multiplying #universes. Time Travel events divide #spacetime into two ne
▶️ Minkowski Space-Time ❛❛ Points in this #space correspond to events in #SpaceTime ... a defined light-cone associated with each #point, and #events not on the light cone are classified by their relation to the apex as #spacelike or #timel
What “lightcone” means
WikipediaIn special and general relativity, a light cone is the path that a flash of light, emanating from a single event — localized to a single point in space and a single moment in time — and traveling in all directions, would take through spacetime.
“Light cone” on Wikipedia (CC BY-SA) →#lightcone across platforms
every network with a public tag surfaceFollow #lightcone 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/lightcone