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请问 JPG 属性 详细信息的“版权”是怎么来的的呢?How is the “Copyright” information in the JPG properties details generated?
https://yande.re/post/show?md5=63E2783F0E638A893C31D5A4FDF108FF
http://gallery.minitokyo.net/view/542783

对比了这两个文件,他们的版权那一项是不一样的,请问这是怎么来的?
Upon comparing these two files, I noticed that their copyright entries differ. How did this discrepancy arise?

Nko4a1ZHRWVYUmFqMCtpYldZL0FWV1ZBQTJJREhOQ2U2YkdXQmF4TXovQT0=
MzJCSU9La0ZOdmo3SGlERGVQN2wrNlhoN0pQOXp1NjlsT09sZ3BxbVlpVT0=

删除了“版权”这个属性,两个文件的 MD5 是一样的。
After removing the “copyright” attribute, the MD5 checksums of the two files are identical.
为什么会不一样呢?这是上传者自己添加的么?如果是,这样做的用意是什么呢?
Why is it different? Did the uploader add this themselves? If so, what was the purpose behind doing this?
这还需要问吗?站里的是原始(扫图,2011年的时候,是没有电子档的,也就是DL数字版),minitokyo是搬运(or其他)