while mining I see in terminal something like
qrs@localhost:~/Desktop$ ./bitcoin-miner -t 2 -v -o http://***:***@***:***
bitcoin-miner 0.10 Copyright (c) 2011 Ufasoft
http://ufasoft.com/open/bitcoinMining for http://***:***@***:***
2 threads Using SSE2
Switching back to http://***:***@***:***
25.08.2012 20:44:08 Accepted BF271FF2EBEF8FBC0B2C76B00CCC9362FE63FCE71FFEB1A2AAA1D1EE00000000
25.08.2012 21:10:34 Accepted F83ECFB3AA003361F6711F19A004C97B6DC9183178EFB00D517EA2BE00000000
4.59 MHash/s
question is what kind of data has been hashed?