Each roll is pre-determined and calculated using this formula:
$seed = "";
$ticket = "";
$roll_id = ""
$hash = hash("sha256", $seed ."*". $ticket ."*". $roll_id);
$roll = hexdec(substr($hash, 0, 8)) % 15;
if($hash % 180 === 0) $roll = "JACKPOT";
echo $roll;
You can verify rolls here:
0

Roll history

DATE SERVER SEED TICKET
2018-04-26
SERVER SEED IN USE
08839897380
2018-04-25
cabeda0da689465644e0806b129e9bc435830fbdfc6f7275cc05e7516dc60226
949710679
2018-04-24
e473ec0c8b51924df6e5f3e766fd3c82bc5f00a26cede356f75cf33876db1e4d
03744687675
2018-04-23
1bb8b795f6ea6430735231591430081ba63d450df136a5b28262066c0c9303c8
013253331
2018-04-22
982689b4208f1214e9a192b17ec847b7ce8ea72d7b838cb58ce2e56e992f71ee
038846823
2018-04-21
b98f41e23408ba5a0415dde1a75b45b3feccc4f95e1aa900168b6838bc5d4bc4
837512584895
2018-04-20
9cc983038687685dccc38a0c4c8619503921125e12ef23601f8336a0d6a192ec
668090996
2018-04-19
1bd5ff05120d206f97c9b5cc6426620dcfd23df5b5315109b95b778a94dd6fc2
64916450
2018-04-18
e70262908d2e82b8e1e4e63bc2e136033eb3e182dce162ea99623fac6249f3d8
2933747179
2018-04-17
11e1f8c58d27cc6435dc394a847feea4eb6d7a4474b28d2043e61a4450af841f
85394806668
2018-04-16
1b5190bbef8ac9a5c15f54abf3aa686cdc1b523b2f0651fac5cb4d8fafaf9203
07068552103
2018-04-15
dc6b0b8d4954e1f7d2c717564afffbd633feeb24ec304a3c891fff9435ced13e
8300402538
2018-04-14
7d21aaba786df9d5ddf499d59cde43777c29ff9688d5f12f7cbb830e30e962aa
23983162
2018-04-13
b64b8472f1d4490c19c21e30fc47aab23288e8ff006b978580e21c3b46ffdc2b
69797557
2018-04-12
e2267f101c23a3856433d60dca46e1ba4ffcd16a7899a0d2d9283ddd9b4a25b3
984620500
2018-04-11
7e073dbfbf4dddbc3027f72b856bc592867545768d92b0a807a0d569aa772aff
5428756421
2018-04-10
82d1e0886dbc7c2c101463b2850637536aee1c767da1cc6a0df436c42f81d79d
96388950319
2018-04-09
752e063ce77bdd719b782cb994cf9f1d638ec7825d23b0442d3799bfc393a8c2
4417465076
2018-04-08
392f110ce2b8777bd34998852495989bec206f443b282660496f35bb5638deaa
339703111
2018-04-07
c41e710f460ddd8bb18c9d1934b2fd15f4ec36f1f63ee9431399be04735f31c2
136970745
2018-04-06
63a6fb86cf81cf4282903bb3c264befad04fd3b0d3de264f7aa7390fcddbc730
74256660361
2018-04-05
580e48a51d69e5ef445a693429e0141ead7fa95930cd83289ad2e6a06fb6a27b
877186981
2018-04-04
ce54e3d84598ac5603fa83b26faead84bdc7c34baa9973582a2a4f8df5bbbe77
504201417
2018-04-03
e1a8d3d063b387ee652a9925e27c3dc260ff8ebbf08ebb96a4e6bff9bf5bf84e
398994099
2018-04-02
750f84b9f3bd3b4a4a2f65e6f276d18ee461b5de1a0a327dd41d8fe9719b3ff8
453246929
2018-04-01
5205d139ff1b253d7f7836fe8456de939d212b1f2257b0854b3efc651c4567f0
808191293
2018-03-31
d36b843aff42c13cfb0ad542029da0d828bb45d2e6e3b2bcdd0ede59426c9580
318640843
2018-03-30
ca6515f1463556a14fb654517d8ab8e4c605b5192c181da2bfd57a3f44f5bb66
123916627271
2018-03-29
510b49a424b2560b0f7247586b570dd76226aaf672fee22bc711a60c90c15a9c
05416835
2018-03-28
169e17d58dcf0b67bdc6e53ebb6d621479f543b881f4bc8034fb1e944280c7ed
943670380