#sel4

Live, measured metrics for the hashtag #sel4 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 #sel4

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 #sel4$2,449.80/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.4
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 08:23 UTC
0
07-22
0
07-23
1
07-24
0
07-25
0
07-26
0
07-27
0
07-28

1 uses by 1 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 2026-07-28 08:23 UTC

No related tags with measured usage found for #sel4.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 08:23 UTC

Everything below is measured over the latest 40 public posts (spanning ~27976 hours).

Posting hours (UTC) — busiest: 00:00

00:0012:0023:00

Languages: English (36) · Russian (2) · German (1)

Avg boosts / post: 1.6

Top of the latest posts

  • In the first of our #EverythingOpen schedule highlights, we're delighted to present #UNSW Scientia Professor @gernot who will present on efforts to take #sel4 from a #MicroKernel to fully-fledged #OS with #LionsOS, named for open source lum

    Everything Open Conference@everythingopen682024-01-23 09:11 UTCView post →
  • I think I'm going to take inspiration from #seL4's microkit system description for my #rust #microkernel I don't feel like implementing automatic device discovery, so defining drivers in a static file would be a good way to avoid that compl

    0xD0EFA6@shibedrill1422025-10-14 18:05 UTCView post →
  • Someone should build a #smalltalk like system on top of #seL4; every object is its own protection domain. I.e., state encapsulation not as an aspirational promise, but as an enforced property.

    Björn Gohla@[email protected]102026-07-24 16:58 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/sel4