I don't think that executing git reset --soft will affect any commits. This will only affect your branch.
If you want to return commit 734e3a0 , you can try using git revert :
git revert 734e3a0
This will give Git a command to add a new commit that cancels all 734e3a0 . Please note that this is a good option if this commit is in the middle of a branch, and it is also a good option for a branch whose history has already been published.
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