File:Root of Merkle tree as published in Widely Witnessed Media.png
Root_of_Merkle_tree_as_published_in_Widely_Witnessed_Media.png (474 × 210 pixels, file size: 155 KB, MIME type: image/png)
Summary
[edit]Description | Image illustrates widely witnessed publishing concept in context of linking-based time-stamping. Upper-left corner of front page of the Markets section, Financial Times, July 17 2009 |
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Author or copyright owner |
Guardtime / Financial Times |
Source (WP:NFCC#4) | Scanned by myself |
Use in article (WP:NFCC#7) | Linked timestamping |
Purpose of use in article (WP:NFCC#8) | The concept of using widely witnessed media to make the published root hash value immutable. |
Not replaceable with free media because (WP:NFCC#1) |
n.a. |
Not replaceable with textual coverage because (WP:NFCC#1) |
One picture is worth thousand words. |
Minimal use (WP:NFCC#3) | Old newspaper, lowest legible resolution, cropped. |
Respect for commercial opportunities (WP:NFCC#2) |
n.a. |
Fair useFair use of copyrighted material in the context of Linked timestamping//en.wikipedia.org/wiki/File:Root_of_Merkle_tree_as_published_in_Widely_Witnessed_Media.pngtrue |
Licensing
[edit]This image is a scan of a newspaper page or article, and the copyright for it is most likely held by either the publisher of the newspaper or the individual contributors who worked on the articles or images depicted. It is believed that the use of low-resolution images of newspaper pages
qualifies as fair use under the copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.
Note: If the image depicts a person or persons on the cover, it is not acceptable to use the image in the article of the person or persons depicted on the cover, unless used to directly illustrate a point about the publication of the image. Use of the image merely to depict a person or persons in the image will be removed. | |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:15, 8 October 2017 | 474 × 210 (155 KB) | DatBot (talk | contribs) | Reduce size of non-free image (BOT - disable) | |
07:11, 30 April 2013 | No thumbnail | 627 × 279 (274 KB) | RistoLaanoja (talk | contribs) | Pink background did not give much context. Include the publishing date. | |
11:54, 25 April 2013 | No thumbnail | 321 × 184 (77 KB) | RistoLaanoja (talk | contribs) | Uploading an excerpt from a non-free work using File Upload Wizard |
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File usage
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