#ontology

Live, measured metrics for the hashtag #ontology 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 #ontology

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.

$110.68/ year · 8-character #name
Claim #ontology — $110.68/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
15
Uses / 7 days
Mastodon
4
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.3
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-15 13:29 UTC
0
10-09
0
10-10
8
10-11
1
10-12
1
10-13
5
10-14
0
10-15

15 uses by 4 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-10-15 13:29 UTC

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-15 13:29 UTC

Everything below is measured over the latest 40 public posts (spanning ~940 hours).

Posting hours (UTC) — busiest: 22:00

00:0012:0023:00

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

Avg boosts / post: 1.6

Top of the latest posts

  • Instead of being either at one opposite pole or the other, I believe all these things (in the post above) exist only by degree, as points along a scale. Often the mistake isn’t noticing variations - it's turning differences of *degree* into

    K. J. Elphinstone@[email protected]♥ 6↻ 42026-09-25 06:42 UTCView post →
  • Update. I have no plans to write a retrospective essay on #OATP (@oatp). But I've started writing up some Tagging Principles that I learned from running OATP. It's still a work-in-progress and I welcome comments. https://docs.google.com/doc

    petersuber@[email protected]♥ 4↻ 22026-10-01 14:07 UTCView post →
  • Cradled Tenure https://subspacewagon.systems/cradled-tenure/ __ https://www.tilley.blog/memo-open-access-the-struggle-against-oppression-and-the-societal-family-unit/ __ https://www.tilley.blog/the-hollow-storm-a-societal-pathway-to-non-vio

    RJT@[email protected]♥ 0↻ 32026-10-14 15:56 UTCView post →

What “ontology” means

Wiktionary · Wikipedia

ontology/ɒnˈtɒləd͡ʒi/

  • nounThe branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
Full entry on Wiktionary →

Ontology is the philosophical study of being. It is traditionally understood as the subdiscipline of metaphysics focused on the most general features of reality. As one of the most fundamental concepts, being encompasses all of reality and every entity within it. To articulate the basic structure of being, ontology examines the shared characteristics among all things and investigates their classification into basic types, such as the categories of particulars and universals. Particulars are uni

“Ontology” on Wikipedia (CC BY-SA) →

#ontology across platforms

every network with a public tag surface

Follow #ontology 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/ontology