#c4l19
Live, measured metrics for the hashtag #c4l19 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #c4l19
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 2026-10-14 02:21 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.social (Mastodon public search API) · fetched 2026-10-14 02:21 UTCNo related tags with measured usage found for #c4l19.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-14 02:21 UTCEverything below is measured over the latest 4 public posts (spanning ~217 hours).
Posting hours (UTC)
Languages: English (4)
Avg boosts / post: 0.8
Used together with
Top of the latest posts
Thanks to an amazing keynote given at a #c4l19, I am acutely aware of the labor that goes into flagging/reporting inappropriate things and while it doesn't deter me from submitting, with it I also send positive energies for those who have t
If the #code4lib slack workspace hasn't been working as a safe enough space for you, consider https://t.co/Now5OejLP5 (which has sane block defaults) and the messages that don't vanish. #c4l19 (Credit to/signal boosting @kayiwa.)
"And a reading of Nothing Gold Can Stay, which I'm pretty sure is a poem about digital preservation." #c4l19 from archivalistic on birbsite
What “c4l19” means
WikipediaChlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity on the revised Pauling scale, behind only oxygen and fluor
“Chlorine” on Wikipedia (CC BY-SA) →#c4l19 across platforms
every network with a public tag surfaceFollow #c4l19 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/c4l19