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 4 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 5, 2025, 2:55 PM UTC
This is the first recorded text for this definition.
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.
A substanceRemoved: , typically solid, with Removed: a definAdded: ableRemoved: d chemical composition Removed: (or composed of regions with defined compositions). Often, materials have a crystal structure with defined, repeating symmetry, but there can be defects or even a complete lack of long-range orderAdded: and physical properties.
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 5, 2025, 2:55 PM UTC | Definition 3 · revision 1 | Publication | Initial revision |
| Sep 4, 2025, 3:23 PM UTC | Definition 2 · revision 1 | Publication | AI-generated revision |
| Sep 4, 2025, 3:23 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 4, 2025, 3:23 PM UTC | Definition 1 · revision 1 | Publication | Initial revision |