MatSci-SAMCompare exact published wording and inspect when definitions, revisions, comments, and voting acts were recorded.
Each mark is one recorded act. Select a publication or revision to inspect its wording below.
Showing 8 recorded events for all 3 definitions.
Exact recorded times are retained; the axis is labelled in UTC. Event types are not combined into a weighted activity or impact score.
Definition 3, revision 1 · Sep 8, 2026, 7:37 PM UTC
Compared with Definition 2, revision 1, the source of this proposal.
A mathematical group describing the symmetry operations of a crystal structureAdded: —such as rotations, reflections, inversions, and translations—formally defined as the group of isometries acting on Euclidean space that contains a subgroup of three linearly independent translations.
The magnitude runs from 0 for unchanged text to 1 for complete replacement. It measures definition wording only—not authorship, quality, or community impact.
Select two current candidates to see their exact wording differences. Removed text belongs to the first selection; added text belongs to the second.
Compared with Definition 1, revision 1, reading from the first selection to the second.
Removed: The group of isometries acting on Euclidean space that contains a subgroup of three linearly independent translations. Added: A mathematical group describing the symmetry operations of a crystal structure.
The magnitude runs from 0 for unchanged text to 1 for complete replacement. It measures definition wording only—not authorship, quality, or community impact.
The same events as the plot, newest first, with exact UTC times and links to the revision each act concerned.
| Time | Definition | Event | Detail |
|---|---|---|---|
| Sep 10, 2026, 4:53 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded |
| Sep 8, 2026, 7:37 PM UTC | Definition 3 · revision 1 | Publication | AI-assisted contribution |
| Sep 8, 2026, 7:09 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded |
| Oct 20, 2025, 8:37 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Oct 20, 2025, 8:37 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Oct 20, 2025, 8:37 PM UTC | Definition 2 · revision 1 | Publication | AI-generated revision |
| Oct 20, 2025, 8:37 PM UTC | Definition 1 · revision 1 | Vote act | Downvote recorded; imported historical actLegacy association inferred |
| Oct 20, 2025, 8:37 PM UTC | Definition 1 · revision 1 | Publication | Initial revision |