| comic strip | Q838795 |
| P953 | full work available at URL | https://xkcd.com/840/ |
| P50 | author | Randall Munroe | Q285048 |
| P275 | copyright license | Creative Commons Attribution-NonCommercial | Q6936496 |
| P6216 | copyright status | copyrighted | Q50423863 |
| P180 | depicts | Cueball | Q18645971 |
| P433 | issue | 840 | |
| P407 | language of work or name | English | Q1860 |
| P921 | main subject | Impact | Q246115 |
| PuTTY | Q841685 | ||
| Silly Putty | Q1529908 | ||
| seriousness | Q12891156 | ||
| P138 | named after | seriousness | Q12891156 |
| P361 | part of | xkcd | Q13915 |
| P179 | part of the series | xkcd | Q13915 |
| P577 | publication date | 2010-12-29 | |
| P1476 | title | Serious |
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