This seems to be the original story in Chinese, from 2016: https://zhuanlan.zhihu.com/p/22190111
I think it would be helpful to dispel any confusion if you added somewhere on the Substack post (e.g. at the bottom) the above message you are the author of the Zhihu post.
edit: I just found 我在404长大 [1] on douban, it seems the be the original version
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