At the minute, the latest Mac build of LO is 4.3.4 and the binary is LibreOffice_4.3.4_MacOS_x86.dmg
With hash SHA-256 Hash: 9e466cdd41ab29e0845267f6e46ed7c6edb79b36b4bcb121edd0df55aee4e53c
According to http://download.documentfoundation.org/libreoffice/stable/4.3.4/mac/x86/LibreOffice_4.3.4_MacOS_x86.dmg.mirrorlist
The latest build instructions for Mac are at:
https://wiki.documentfoundation.org/Development/BuildingOnMac
Which produce part of the binaries.
Are there reproducible, auditable instructions for producing a DMG with hash 9e466cdd41ab29e0845267f6e46ed7c6edb79b36b4bcb121edd0df55aee4e53c