This SAILDART content blob sn#143865 has 3 filenames:

1975-02-03 12:43	OPTION.TXT[MSS,LCS]
1975-02-03 12:43	OPTION.TXT[RST,LCS]
1977-09-19 08:13	OPTION.TXT[1,LCS]1

This blob is marked generic text, type T, neo UTF8
Octal listing of 7 PDP-10 words: