Ubuntu to Find date when a DVD/CD was created.

Ubuntu Forensics.

1.
ubuntu@ubuntu:~$ dd if=/dev/sr0 bs=1 skip=33581 count=17 | hexdump -C
17+0 records in
17+0 records out
17 bytes copied, 0.000374982 s, 45.3 kB/s
00000000  32 30 31 36 30 34 32 30  32 32 33 32 32 31 30 30  |2016042022322100|
00000010  00                                                |.|
00000011
ubuntu@ubuntu:~$


Date when the DVD  was created is 20160420
04-20-2016 or April 4 2016.

2.
ubuntu@ubuntu:~$ lsblk
NAME  MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sr0    11:0    1  1.4G  0 rom  /cdrom
loop0   7:0    0  1.4G  1 loop /rofs

sr0  is the DVD Name/Number.

SOURCE.


It's straightforward to tamper with this date. All that's required is 
changing the computer's date before creating the image.