/usr/lib/pd/extra/rtc/minus.pd is in pd-rtclib 4.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | #N canvas 240 363 201 216 10;
#X obj 56 34 inlet;
#X obj 56 121 outlet;
#X obj 56 91 * -1;
#X obj 56 66 int;
#X connect 0 0 3 0;
#X connect 2 0 1 0;
#X connect 3 0 2 0;
|