Exact source provenance for libgomp.so.1 in PyTorch 2.8.0+cu128 Linux wheel

Could the Linux wheel release-build custodians help identify the source and build materials actually used for the bundled libgomp.so.1 below? We need these references to assemble a corresponding-source supplement for this public binary. This inquiry was prepared with Codex and reviewed and authorized for posting by the account owner. Public artifact details Wheel: torch-2.8.0+cu128-cp312-cp312-manylinux_2_28_x86_64.whl Wheel SHA256: 4354fc05bb79b208d6995a04ca1ceef6a9547b1c4334435574353d381c55...