#40c3

Live, measured metrics for the hashtag #40c3 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 #40c3

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.

$2,449.80/ year · 4-character #name
Claim #40c3 — $2,449.80/yr→
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22
Uses / 7 days
Mastodon
22
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.2/hr
Recent pace
Mastodon · last 40
0.9
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 02:52 UTC
5
07-21
4
07-22
4
07-23
3
07-24
2
07-25
4
07-26
0
07-27

22 uses by 22 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 2026-07-27 02:52 UTC
#a3dd40c18f3
0 uses · 0 accounts / 7d
#f1ed3d1c40b
0 uses · 0 accounts / 7d
#f1eaaa40c3e
0 uses · 0 accounts / 7d
#f687bdd40c3
0 uses · 0 accounts / 7d
#40c3skat
0 uses · 0 accounts / 7d
#3c40b7
0 uses · 0 accounts / 7d
#3C40F6
0 uses · 0 accounts / 7d
#2a40c3
0 uses · 0 accounts / 7d
#c40d3c
0 uses · 0 accounts / 7d
#3C8B40
0 uses · 0 accounts / 7d
#C40BB3
0 uses · 0 accounts / 7d
#40C3DA
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 02:52 UTC

Everything below is measured over the latest 40 public posts (spanning ~250 hours).

Posting hours (UTC) — busiest: 22:00

00:0012:0023:00

Languages: German (21) · English (19)

Avg boosts / post: 1.2

Top of the latest posts

  • My pleasure. 😎 #40c3 Sticker #AI #LLM #Vibecoding Source: https://cloud.meyerhaag.de/s/nNNZzk7LoQZPkQf

    Johannes@[email protected]♥ 29↻ 152026-07-22 15:12 UTCView post →

  • there should be a homotopy type theory workshop at @HouseOfTea on #40c3 we can call it HoTT :D

    august [0x08] 🏳️‍⚧️🇲🇰@[email protected]♥ 2↻ 42026-07-19 07:56 UTCView post →

  • could #40c3 please have a rave every night like #emfcamp (one that's not in a cigarette smoke filled bar under a hotel)

    sometimes christopher@[email protected]♥ 1↻ 12026-07-21 22:10 UTCView post →

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/40c3