This SAILDART content blob sn#196029 has 2 filenames:

1976-01-14 18:20	MIXAL.CMD[MIX,SYS]
1976-10-31 15:44	MIXAL.CMD[MIX,DSB]

This blob is marked generic text, type T, neo UTF8
Octal listing of 4 PDP-10 words: