File:Knuth-check2.png
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Size of this preview: 800 × 363 pixels. Other resolution: 900 × 408 pixels.
Original file (900 × 408 pixels, file size: 272 KB, MIME type: image/png)
| Description | One of Donald Knuth's reward checks. Note that the machine-readable numbers at the bottom of the check have been randomly swapped or modified, so that no personal information about Don Knuth's personal bank account is leaked through this image. |
| Date | Signed 8 March 1999, first uploaded on 29 November 2005 to en-wp as en:File:Knuth-check.png, then processed by Simetrical on 1 February 2006. |
| Source | The check itself was scanned by Schutz as en:File:Knuth-check.png. The logos and design on the check have been pixelized by Simetrical. This image was transfered from en-wp by AFBorchert. |
| Author | Signature by Donald Knuth |
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This logo image consists only of simple geometric shapes or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain. Although it is free of copyright restrictions, this image may still be subject to other restrictions. See WP:PD § Fonts and typefaces or Template talk:PD-textlogo for more information.
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This signature is believed to be ineligible for copyright and therefore in the public domain because it falls below the required level of originality for copyright protection both in the United States and in the source country (if different). In this case, the source country (e.g. the country of nationality of the signatory) is believed to be United States of America.
Note that this tag cannot be used on all signatures, as not all signatures are copyright-free.
See Commons:When to use the PD-signature tag for an explanation of when the tag may be used. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:38, 5 April 2009 | | 900 × 408 (272 KB) | imagescommonswiki>AFBorchert | {{Information |Description=One of Donald Knuth's reward checks. Note that the machine-readable numbers at the bottom of the check have been randomly swapped or modified, so that no personal information about |
File usage
The following file is a duplicate of this file (more details):
- File:Knuth-check2.png from Wikimedia Commons
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