If I understand you correctly, have you considered
Data::Alias? This would allow you to copy results hash of "pointers" (or paths) to the data itself without altering the original data structure.
The results hash could look something like this:
$results{"$VAR1->{'1'}->{'1a'}"} = "element1";
Your search could push results into that hash. This is way your result and your path are both accessible via the same hash.
To navigate a HoHoH, just do the following:
foreach my $a (keys %hash) {
foreach my $b (keys %{$hash{$a}}) {
print "$hash{$a}{$b}\n";
}
}
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