/usr/share/texmf-texlive/omega/otp/ is in texlive-lang-tibetan 2009-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texmf-texlive/omega/otp/otibet/
/usr/share/texmf-texlive/omega/otp/otibet/tibadjusttsheg.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibetan-mule2uni-old.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibetan-mule2uni.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibinunicode.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibinwylie.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibout.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibshow.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibspecial.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibuniuni.otp
/usr/share/texmf-texlive/omega/otp/otibet/tibvowel.otp