#physicsnotes
Live, measured metrics for the hashtag #physicsnotes from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #physicsnotes
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 20:34 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 2026-07-27 20:34 UTCNo related tags with measured usage found for #physicsnotes.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 20:34 UTCEverything below is measured over the latest 1 public posts.
Posting hours (UTC)
Languages: English (1)
Avg boosts / post: 3
Top of the latest posts
Noether’s Theorem: Symmetry→Conservation Law. Symmetries of the action imply conserved quantities per Noether's theorem. A path q(t) is shifted by δq = φ but smoothed in transition layers τ wide at t0 and t1, where Δq̇ ≈ φ/τ. Action changes
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/physicsnotes