Halmos — mathematics the server can check
halmos.science
LaunchIndex first observed Halmos — mathematics the server can check (halmos.science) live on 1 September 2026. View its launch screenshot, category, and verification evidence.

A launch record built from evidence.
Halmos — mathematics the server can check (halmos.science) was first observed live on 1 September 2026.
A mathematics community where user-submitted proofs can be machine-checked by Lean and the kernel rules; includes verified content and discussion.
Its profile is classified as Community within Community / Nonprofit and community.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- halmos.science
- Category
- Community / Nonprofit and community
- Website type
- Community
- Observed title
- Halmos — mathematics the server can check
- Observed description
- A community for mathematics where claims carry machine-checked status. Post a proof in Lean and the kernel rules on it.
- Detected technologies
- None detected
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
A canonical launch profile for halmos.science.
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