/usr/share/doc/axiom-doc/bitmaps/chi.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 chi_width 16
#define chi_height 16
#define chi_x_hot -1
#define chi_y_hot -1
static char chi_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x3e, 0x06, 0x32, 0x03, 0x30, 0x03,
0xe0, 0x01, 0xe0, 0x01, 0xe0, 0x00, 0xf0, 0x00, 0xf0, 0x01, 0xb8, 0x01,
0x98, 0x03, 0x0c, 0x07, 0x06, 0x06, 0x00, 0x00};
|