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| 0001628280-25-039014-index.html | 2025-08-07 17:25:43 | |
| 0001628280-25-039014.txt | 2025-08-07 17:25:43 | |
 0001628280-25-039014-xbrl.zip | 406705 | 2025-08-07 17:25:43 |
| cpk-20250630.htm | 2516560 | 2025-08-07 17:25:43 |
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| report.css | 2767 | 2025-08-07 17:25:43 |
| Show.js | 1085 | 2025-08-07 17:25:43 |