#Ptolemy
Live, measured metrics for the hashtag #Ptolemy from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #ptolemy
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-29 03:31 UTC0 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 2026-07-29 03:31 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-29 03:31 UTCEverything below is measured over the latest 40 public posts (spanning ~30753 hours).
Posting hours (UTC) — busiest: 05:00
Languages: English (40)
Avg boosts / post: 1.4
Top of the latest posts
On a cloudy day in January, historian Ivan Malara sat in Italy’s National Central Library of Florence poring over seven 16th century printings of the ancient world’s most influential astronomy text. The pages belonged to The #Almagest, in w
One of my favorite atlas -- the 1513 Strasburg edition of Ptolemy's Geography, with maps by Martin Waldseemüller, printed by Johannes Schott, with some maps in color!!! - has been imaged by Osher map Library and is available online at https
Now we need to look back in time to the classical understanding of the world. How better to do that than with Ptolemy's map of the world known to him at the time? None of Ptolemy's maps survived into the medieval world, but his list of plac
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/ptolemy