#ultrametric
Live, measured metrics for the hashtag #ultrametric from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #ultrametric
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 11:06 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 2026-07-28 11:06 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 11:06 UTCEverything below is measured over the latest 3 public posts (spanning ~131 hours).
Posting hours (UTC)
Languages: English (3)
Avg boosts / post: 0.7
Top of the latest posts
New paper: "The Tree and Its Echo" — ultrametric organization from pre-numeric first principles. Before numbers: marks on a bone. Three primitives: correspondence, order, nesting. Hierarchy without metrics. The independence assumption is th
New: "The Primordial Mark" — one operation (drawing a distinction) generates the ultrametric tree underlying spin glasses, p-adic numbers, QCD jets, and the Classification of Finite Simple Groups. The CFSG is exhaust. The engine is the Mark
The same ultrametric tree—where every triangle is isosceles—appears in spin glasses, QCD jets, phylogenetics, p-adic numbers, and cognition. New synthesis traces one pattern from physics to perception: "More become one; one becomes more; re
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/ultrametric