#semantics21
Live, measured metrics for the hashtag #semantics21 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #semantics21
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.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-01 14:44 UTC1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-01 14:44 UTCNo related tags with measured usage found for #semantics21.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-01 14:44 UTCEverything below is measured over the latest 40 public posts (spanning ~12964 hours).
Posting hours (UTC) — busiest: 12:00
Languages: English (40)
Avg boosts / post: 0.1
Top of the latest posts
New tools from Semantics 21 help digital investigators surface intelligence faster, assess deepfakes, and generate structured scene descriptions — all offline and alongside existing forensic workflows. https://www.forensicfocus.com/news/if-
Semantics 21 has launched S21 Deepfake Detector, an offline tool built from over a year of operational use, enabling investigators to assess manipulated or AI-generated imagery with confidence-based, explainable analysis that supports — not
Digital investigations have outgrown outdated tools. From school badge ID to deepfake detection and safer image review, see how Semantics 21 is addressing today’s investigative realities. https://www.forensicfocus.com/news/three-investigati
What “semantics21” means
Wiktionary · Wikipediasemantics/sɪˈmæntɪks/
- nounA branch of linguistics studying the meaning of words.
Semantics is the study of linguistic meaning. It examines what meaning is, how words get their meaning, and how the meaning of a complex expression depends on its parts. Part of this process involves the distinction between sense and reference. Sense is given by the ideas and concepts associated with an expression while reference is the object to which an expression points. Semantics contrasts with syntax, which studies the rules that dictate how to create grammatically correct sentences, and pr
“Semantics” on Wikipedia (CC BY-SA) →#semantics21 across platforms
every network with a public tag surfaceFollow #semantics21 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/semantics21