[Help] Strange hash at get method

[siroco]

Hello my friends, I need a little help to find out what is this GET input it is passing important information something like 310261.mp4?file= can anyone help me identify? and decode.

mp4:3310261.mp4?fe2a58d7bc2253381c1c5e82d1f7d17890 c948760a67a60d075a8876b24c5b535ff631e5cb88020e7c7d 99ee97551335c14772074fcc28fe4297baa27ee32a166bcc72 1e17ad043f23c7cc053bfff30d6f30614ad7c3cef9534fceed bc3db12638077fd88fd7e507bff145daa2542940464bb16091 2c46cd666c48a9a4051c3179

any help is welcome thank you.