#oh3
Live, measured metrics for the hashtag #oh3 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #oh3
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.online (Mastodon public tags API) · fetched 2026-11-04 04:25 UTC0 uses by 0 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 2026-11-04 04:25 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-04 04:25 UTCEverything below is measured over the latest 5 public posts (spanning ~28991 hours).
Posting hours (UTC)
Languages: Japanese (3) · English (2)
Avg boosts / post: 0
Top of the latest posts
地図サービスにも影響出てるな。 ＞kenzkenzさん: 「OH3(open-hinata3)です。 PHPに見つかった重大な脆弱性（php2shell / CVE-2026-109618・109619）について、OH3のサーバーに修正版のPHPを適用しました。 #openhinata3 #OH3」 / X https://x.com/kenzkenz/status/2113104288964841580
On my downtown #ottawa for #oh3 #hash. Reminded how stupid Tunneys Station is layed out. Would like to have constructive discussion about fixes. New Facebook group? Meh. What's latest on Threads/#mastodon Interop? Yeah, still stupid?! Any o
kenzkenzさん: 「OH3(open-hinata3)です。 関東小字地図https://koaza.netのポップアップを強化しました。 昔の小字名を表示すると同時に現在の住所も表示します。 @koaza_net さん。いつもありがとうございます！ #openhinata3 #OH3 https://t.co/BE3iHFrboe https://t.co/4845R9iC8e」 / X https://x.com/kenzkenz/status/2005954802
What “oh3” means
Wiktionaryoh/əʊ/
- nounAn utterance of oh; a spoken expression of surprise, acknowledgement, etc.
- verbTo utter the interjection oh; to express surprise, etc.
#oh3 across platforms
every network with a public tag surfaceFollow #oh3 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/oh3