#Crossref

Live, measured metrics for the hashtag #Crossref 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 #crossref

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 #crossref — $110.68/yr→Buy 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
0.4
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 2026-10-16 03:05 UTC
1
10-10
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15
0
10-16

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 2026-10-16 03:05 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-16 03:05 UTC

Everything below is measured over the latest 40 public posts (spanning ~10173 hours).

Posting hours (UTC) — busiest: 20:00

00:0012:0023:00

Languages: English (36) · Russian (2) · Portuguese (1) · French (1)

Avg boosts / post: 1.9

Top of the latest posts

  • We are hiring a Communications Manager! Remote, full-time, with flexible options. Applications close December 9, 2025. https://www.crossref.org/jobs/2025-11-13-communications-manager/ #hiring #remote #Crossref

    Crossref@[email protected]♥ 7↻ 192025-12-05 18:08 UTCView post →
  • This webinar is for editors and publishers using Open Journal Systems who want to improve metadata quality through the OJS Plug-in. We will demonstrate metadata deposits with Crossref using OJS 3.3 and 3.4. https://crossref.zoom.us/webinar/

    Crossref@[email protected]♥ 5↻ 22026-02-06 20:59 UTCView post →
  • Update. "Dutch Research Council (#NWO) cancels subscriptions to #WebOfScience and #Scopus https://www.nwo.nl/en/news/dutch-research-council-nwo-cancels-subscriptions-to-web-of-science-and-scopus It "will use open alternatives such as #Cross

    petersuber@[email protected]♥ 3↻ 92026-10-10 16:29 UTCView post →

What “crossref” means

Wikipedia

Crossref is a nonprofit open digital infrastructure organization for the global scholarly research community. It is the largest digital object identifier (DOI) Registration Agency of the International DOI Foundation. It has 23,000 members from 164 countries representing publishers, libraries, research institutions, and funders and was launched in early 2000 as a cooperative effort among publishers to enable persistent cross-platform citation linking in online academic journals. As of July 2023,

“Crossref” on Wikipedia (CC BY-SA) →

#crossref across platforms

every network with a public tag surface

Follow #crossref 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/crossref