I confirm reproducible build of #bitcoin core 28.0 on x86_64-linux-gnu.
```
sudo apt-get install guix
git clone --branch=28.x --depth=10 
cd bitcoin/
git checkout -b my v28.0
git log # must show commit 110183746150428e6385880c79f8c5733b1361ba
env HOSTS='x86_64-linux-gnu' ./contrib/guix/guix-build
```
... wait for a while ...
```
$ sha256sum guix-build-28.0/output/x86_64-linux-gnu/bitcoin-28.0-x86_64-linux-gnu.tar.gz
7fe294b02b25b51acb8e8e0a0eb5af6bbafa7cd0c5b0e5fcbb61263104a82fbc
```
The binary with the same hash can be downloaded from .gz
GitHub
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