[erlang-questions] OTP 22.0 doc_man SHA256 mismatch?

[Thomas Cioppettini]

So I was going about updating the erlang homebrew formula and am running
into a weird issue. Here's what I've done so far.

I've download the following file:
https://www.erlang.org/download/otp_doc_man_22.0.tar.gz

I ran this command on that file to get the sha256 checksum for homebrew

$: shasum -a 256 otp_doc_man_22.0.tar.gz
=> e384ba02133aabc3ebac421f4dbd46893540e746c6a7ac5e90c4d2be850d08c6

I've updated homebrew with that sha, but with the upgrade I'm getting
a ChecksumMismatchError which I think is weird. After taking a look at the
file homebrew is downloading it's size matches 1.3M so that makes sense. So
I then went to check the original tar.gz I've downloaded and that comes in
at a whopping 7.1M. Does anyone have a clue as to why these files might be
different?

I know that they could be different for nefarious reasons, but I wanted a
sanity check before I went to sabotage as the reason the files are
different.
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