看 Jai how_to/ 的时候看到的，算是第一次了解这种标识符 (顺便再恶搞一下 jblow)。

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Use hexspeek magic number as Identifier.

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![图文无关 来自 Wookash Podcast https://www.youtube.com/watch?v=jFPMv8st7J0 ，和动物井作者一起聊 OotSS Demo Lukasz 搜集了X上对JB的批评来让他回应。传送坐标：1:07:25

Oh no. Okay. Uh uh and uh I love listening to internet criticism about what I did because of course internet criticism is so rare and hard to find that we must seek it out whenever we can find it for its valuable drops of wisdom. But go ahead.

Um, so yeah, I have I have another one.](attachment:4e0c5c91-f644-48bc-a927-e56c63c7406d:image.png)

图文无关 来自 Wookash Podcast https://www.youtube.com/watch?v=jFPMv8st7J0 ，和动物井作者一起聊 OotSS Demo Lukasz 搜集了X上对JB的批评来让他回应。传送坐标：1:07:25

Oh no. Okay. Uh uh and uh I love listening to internet criticism about what I did because of course internet criticism is so rare and hard to find that we must seek it out whenever we can find it for its valuable drops of wisdom. But go ahead.

Um, so yeah, I have I have another one.

搜索了一下，可以追溯到 Java Class 文件 —— 把 CAFEBABE 放在文件开头作为标识。

https://www.artima.com/insidejvm/whyCAFEBABE.html

image.png

0xcafe_babe_f00d_face

0xcafe_babe_f00d_face (使用 00 是因为 hex 里面只有 abcedf, 没有 o)

image.png