#postmark

Live, measured metrics for the hashtag #postmark 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 #postmark

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 #postmark$110.68/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
19
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 19
1.6
Avg reactions / post
Mastodon · last 19
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-11 20:07 UTC
0
08-05
0
08-06
0
08-07
0
08-08
0
08-09
0
08-10
0
08-11

0 uses by 0 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 2026-08-11 20:07 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-11 20:07 UTC

Everything below is measured over the latest 19 public posts (spanning ~31324 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (18) · Chinese (1)

Avg boosts / post: 5.3

Top of the latest posts

  • Nearly 150,000 #MailBallots rejected in #California primary despite efforts to count every vote. Lawmakers concerned about #USPS #postmark changes. In January, a group of mostly Democratic US senators sent a letter to the USPS, alarmed that

    Nonilex@[email protected]26622026-07-24 14:43 UTCView post →
  • @redcrew For why this change in #postmark practice is so major: https://wisconsinui.wordpress.com/2025/11/10/postmark-changes-at-the-post-office-and-late-mail/ #USPS

    Victor Forberger@vforberger212025-12-30 13:32 UTCView post →
  • Happy Friendship Day 2026! To every friend, follower, subscriber, reader, and visitor who stops by this space – thank you for being a part of this journey. Your support, comments, and presence mean the world. Wishing you all a day filled wi

    WhizDBA: Code, Data, and Life – A Technologist's Journey@[email protected]132026-08-02 04:29 UTCView post →

What “postmark” means

Wikipedia

A postmark is a postal marking made on an envelope, parcel, postcard or the like, indicating the place, date and time that the item was delivered into the care of a postal service, or sometimes indicating where and when received or in transit. Modern postmarks are often applied simultaneously with the cancellation or killer that marks postage stamps as having been used. Sometimes a postmark alone is used to cancel stamps, and the two terms are often used interchangeably. Postmarks may be applied

Postmark” on Wikipedia (CC BY-SA) →

#postmark across platforms

every network with a public tag surface

Follow #postmark 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/postmark