/usr/share/doc/axiom-doc/bitmaps/pi.bitmap is in axiom-hypertex-data 20170501-3.
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 | #define pi_width 16
#define pi_height 16
#define pi_x_hot -1
#define pi_y_hot -1
static char pi_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xf8, 0x7f, 0xfc, 0x3f, 0x6c, 0x06,
0x66, 0x06, 0x66, 0x06, 0x60, 0x06, 0x30, 0x06, 0x30, 0x06, 0x30, 0x1e,
0x30, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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