#4opens
Live, measured metrics for the hashtag #4opens from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #4opens
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 2026-10-16 07:06 UTC20 uses by 13 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-16 07:06 UTCNo related tags with measured usage found for #4opens.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-16 07:06 UTCEverything below is measured over the latest 40 public posts (spanning ~296 hours).
Posting hours (UTC) — busiest: 06:00
Languages: English (40)
Avg boosts / post: 2
Top of the latest posts
Ten years ago, I wrote about how the #dotcons were undermining communication, by feeding on a cycle of arrogance, ignorance and decay. Since then, we've built #ActivityPub and the #Fediverse. The technical pieces for an #openweb reboot are
Why does the #Fediverse exist? The #Fediverse exists because the corporate #dotcons are not enough, we don't wont more of our social lives as products, our relationships into #closeddata, and our communities into audiences to be managed. We
@everton137 https://hamishcampbell.com/i-find-it-less-messy-to-talk-about-the-protocol-wars-of-bluesky-nostr-activertypub-from-a-social-understanding/ Where they differ is in the “culture” they come from and push. #bluesky comes from survei
What “4opens” means
Wiktionaryopens/ˈəʊ.pənz/
- verbTo make something accessible or allow for passage by moving from a shut position.
- noun(with the) Open or unobstructed space; an exposed location.
#4opens across platforms
every network with a public tag surfaceFollow #4opens 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/4opens