This SAILDART content blob sn#420104 has 2 filenames:
1979-02-15 15:26OPTX.F4[M11,LCS]
1979-04-10 15:48OPTX.F4[P11,LCS]
This blob is marked generic text, type C, neo UTF8
Octal listing of 256 PDP-10 words:

416371546612 472504013100 201012640630 446104030140 301406220240 406170551432 052064051212 415004050202 436124020100 422132341644 446412444636 470321241540 301406030500 301406030142 064250330140 301406220140 301406031022 200232352604 512372552222 472124047640 521211426232 262352340632 244321241540 301406031500 426350446626 064250313166 064240000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 061001151652 412451752650 446350520236 502505046130 465311651602 465221505100 046111146612 472471147634 202305030522 262325030522 201004020100 064244004606 476331547634 201370742634 515370742634 515206124536 462152547206 276310652634 415313047214 526341505022 305371652136 512352424142 245372247652 521372247652 521206124500 276611147136 406332026214 512132106424 415012444222 515011151500 405010452632 466624051236 526511147212 201004020100 476412420240 665012067100 413347320100 623376561330 627464073302 663534520336 631010267032 050231230572 461206324432 052064046120 315224046612 406352320230 476371320202 521006351210 202151142630 421011743100 236372052116 064241145144 366246125634 516031526542 064241144614 242025642642 271405140572 432450550432 050230447500 305011336624 305311231100 201001505022 405730125614 512132106424 304232247652 521211324572 405270146640 064241151212 522532247032 050230547210 064240000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000