#publicdomain

Live, measured metrics for the hashtag #publicdomain 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 #publicdomain

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.

$5.00/ year · 12-character #name
Claim #publicdomain — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
56
Uses / 7 days
Mastodon
34
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.3/hr
Recent pace
Mastodon · last 40
5.3
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-10 15:33 UTC
5
09-04
10
09-05
8
09-06
7
09-07
12
09-08
8
09-09
6
09-10

56 uses by 34 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 2026-09-10 15:33 UTC
#publicDomainAudiobooks
7 uses · 1 accounts / 7d
#publicdomainmark
0 uses · 0 accounts / 7d
#publicdomainday
0 uses · 0 accounts / 7d
#publicdomainday2027
0 uses · 0 accounts / 7d
#PublicDomainAppropriation
0 uses · 0 accounts / 7d
#publicdomainimage
0 uses · 0 accounts / 7d
#publicdomaingames
0 uses · 0 accounts / 7d
#publicdomainwebcomic
0 uses · 0 accounts / 7d
#publicdomaind
0 uses · 0 accounts / 7d
#publicdomainshitposting
0 uses · 0 accounts / 7d
#publicdomainbookclub
0 uses · 0 accounts / 7d
#publicdomainwebomic
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-10 15:33 UTC

Everything below is measured over the latest 40 public posts (spanning ~116 hours).

Posting hours (UTC) — busiest: 14:00

00:0012:0023:00

Languages: English (35) · Danish (1) · Dutch (1)

Avg boosts / post: 3.5

Top of the latest posts

  • Eight Shadow Figures (ca. 1842) by Utagawa Hiroshige. Source: Rijksmuseum Available to buy as a print. https://pdimagearchive.org/images/cbef4d7d-8dcf-435b-b9f4-4d1566bad9ac #animals #shadows #hands #ukiyoe #japan #hiroshige #woodblock #art

    Public Domain Image Archive@pdimagearchive♥ 39↻ 262026-09-07 14:33 UTCView post →

  • En hestevogn er langt fra blot en hestevogn! 🐴 Uanset hvor grundig man er, så ved museets medarbejdere trods alt ikke alt. Men museets brugere ved faktisk sammenlagt det meste. Og derfor elsker vi, når nogen giver sig tid til at sende os e

    SMK – Statens Museum for Kunst@[email protected]♥ 21↻ 62026-09-07 13:04 UTCView post →

  • A new datasets portal for bulk downloads of all 23+ million pages in the collection. It also provides direct access to over 425,000 pages of newly upgraded OCR text. New batches added to Chronicling America will be included in this portal s

    Project Gutenberg@gutenberg_org♥ 21↻ 252026-09-06 08:41 UTCView post →

#publicdomain across platforms

every network with a public tag surface

Follow #publicdomain 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/publicdomain