#immutable

Live, measured metrics for the hashtag #immutable 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 #immutable

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.

$51.02/ year · 9-character #name
Claim #immutable$51.02/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
3.4
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 2026-09-11 00:08 UTC
0
09-05
0
09-06
0
09-07
1
09-08
0
09-09
0
09-10
0
09-11

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 2026-09-11 00:08 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-11 00:08 UTC

Everything below is measured over the latest 40 public posts (spanning ~3156 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (38) · German (1) · Russian (1)

Avg boosts / post: 2.7

Top of the latest posts

  • Got Phosh's immutable BengalOS to boot on a Google Pixel 3A. There's quiet a bit of work left to make that usable but I'm already looking forward to try some of Phosh's features for immutable on a real device rather than a VM image. This is

    Guido Günther@[email protected]41212026-07-12 18:47 UTCView post →
  • `dm-verity`-enforced zirconium build!! 🥳🥳🥳 systemd-sysupdate is the best :) #systemd #sysupdate #zirconium #oci #immutable #linux #foss

    Tulip Blossom@[email protected]20132026-07-06 16:47 UTCView post →
  • There were ppl interested in #immutable #Debian #OSImages for servers, clients and phones. We have an irc channel /matrix room for that now: https://matrix.to/#/#debian-immutable:matrix.debian.social . Join us if you're interested in that t

    Guido Günther@[email protected]18232026-09-02 20:10 UTCView post →

What “immutable” means

Wiktionary · Wikipedia

immutable

  • nounSomething that cannot be changed
  • adjectiveUnable to be changed without exception.
Full entry on Wiktionary →

In object-oriented (OO) and functional programming, an immutable object is an object whose state cannot be modified after it is created. This is in contrast to a mutable object, which can be modified after it is created. In some cases, an object is considered immutable even if some internally used attributes change, but the object's state appears unchanging from an external point of view. For example, an object that uses memoization to cache the results of expensive computations could still be c

Immutable object” on Wikipedia (CC BY-SA) →

#immutable across platforms

every network with a public tag surface

Follow #immutable 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/immutable