#opencluster

Live, measured metrics for the hashtag #opencluster from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #opencluster

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.

$10.85/ year · 11-character #name
Claim #opencluster — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
3
Uses / 7 days
Mastodon
3
Accounts / 7 days
Mastodon
27
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 27
0.3
Avg reactions / post
Mastodon · last 27
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-13 06:06 UTC
1
11-07
0
11-08
1
11-09
0
11-10
1
11-11
0
11-12
0
11-13

3 uses by 3 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 2026-11-13 06:06 UTC
#openclusters
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-13 06:06 UTC

Everything below is measured over the latest 27 public posts (spanning ~39382 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (23)

Avg boosts / post: 2

Top of the latest posts

  • #Messier37 is a bright #opencluster located in the #constellation #Auriga, approximately 4,511 light-years away from Earth, best observed during its annual culmination at astronomical midnight around the end of December. detailed Informatio

    Thomas Hanrath@astrocamp@astrodon.social♥ 2↻ 52025-01-01 15:48 UTCView post →

  • Rubin with M41 during First Look Observations Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/P. Horálek (Institute of Physics in Opava) https://noirlab.edu/public/images/noirlab2521i/ @VRubinObs #RubinFirstLook #CaptureTheCosmos #Astronomy #Ast

    Daniel Pomarède@pomarede@mastodon.social♥ 1↻ 02025-06-27 10:50 UTCView post →

  • M44 - The Beehive Cluster. ZWO Seestar S50. 250mm, f5, 332 exposures of 10’’. #telescope #telescopes #zwo #zwoasi #zwoseestar #zwoseestars50 #seestar #seestars50 #astro #astrophoto #astrophotos #astrophotography #astrophotographer #spacepho

    JD Gadina 🦄@macmade@mastodon.social♥ 1↻ 02025-04-03 06:21 UTCView post →

#opencluster across platforms

every network with a public tag surface

Follow #opencluster 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/opencluster