#cos

Live, measured metrics for the hashtag #cos 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 #cos

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.

$5,313.74/ year · 3-character #name
Claim #cos — $5,313.74/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-02 12:02 UTC
0
10-27
0
10-28
0
10-29
0
10-30
0
10-31
0
11-01
0
11-02

0 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 2026-11-02 12:02 UTC
#Costume
56 uses · 50 accounts / 7d
#cosplay
46 uses · 42 accounts / 7d
#cost
16 uses · 11 accounts / 7d
#costumes
29 uses · 24 accounts / 7d
#CostOfLiving
46 uses · 36 accounts / 7d
#Cosmos
9 uses · 8 accounts / 7d
#costarica
13 uses · 10 accounts / 7d
#Cosmic
10 uses · 10 accounts / 7d
#cosmology
21 uses · 20 accounts / 7d
#costco
7 uses · 6 accounts / 7d
#cosmictober
49 uses · 43 accounts / 7d
#costs
5 uses · 4 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-02 12:02 UTC

Everything below is measured over the latest 40 public posts (spanning ~11136 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (25) · German (2) · Italian (2) · Spanish (1) · French (1) · Russian (1)

Avg boosts / post: 0.6

Top of the latest posts

  • @kirk There's a couple of great counter-examples: #Sanford, for example, has a good reputation of using its surplus to support new coops. And Mary Ann Johnson Coop in Tottenham is doing great work in gently cajoling other older coops to use

    Danny Garside@[email protected]♥ 2↻ 22026-07-23 16:32 UTCView post →

  • "Center for Open Science [#COS] Awarded Grant from Robert Wood Johnson Foundation [#RWJF] to Preserve and Safeguard Publicly Funded Scientific #Data." https://www.cos.io/about/news/center-for-open-science-awarded-grant-from-robert-wood-john

    petersuber@[email protected]♥ 1↻ 62025-11-18 14:09 UTCView post →

  • Read @briannosek 's post, especially Part 2 and it becomes clear why scholarly infrastructure must be decentralized, meaning that each institution provides a local node, with local resources and support. https://www.cos.io/blog/osf-changes-

    Björn Brembs@[email protected]♥ 0↻ 62026-10-06 16:17 UTCView post →

What “cos” means

Wiktionary

cos/kɒs/

  • nounA variety of lettuce with long, crisp leaves.
Full entry on Wiktionary →

#cos across platforms

every network with a public tag surface

Follow #cos 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/cos