The bet outcome is calculated by hashing today's secret with your Transaction ID.
You can check on your own by using the code and a past secret published here.

import hashlib
def xor_func(s1,s2):
   return ''.join(chr(ord(a) ^ ord(b)) for a,b in zip(s1,s2))
def verify(txid,secret,lessthan):
   sha512 = hashlib.sha512()
   sha512.update(xor_func(secret,txid))
   b = long(sha512.hexdigest(),16)
   result = b % 65537
   if result<lessthan:
      print "win!"
   else:
      print "lose!"
			

Past Secrets

current time: Sat, 26 May 2018 07:42:55 +0000

Date Secret
May 25 2018 6311b6c6a6501a8019a9ffae60fc7555d466739898a982b04a04bc56e9e3ddd9
May 24 2018 545e7d19ed453b89f27b29e12790494edd9be48bf4322578918c1ecc0775d3e3
May 23 2018 f494b0c171c8d9db42c10ae48b3201efe77f22f0389a1bd1202d0a44615fb4ec
May 22 2018 14a081262dd596d4905ed75977e7c6f81b0d3e3a48bae4e049f6a2ece08fa93b
May 21 2018 3212eecc5841dc1f89cb0cacc7d8033dcb46e665b589bd46c2a84d7fd92c54e0
May 20 2018 fe76b545f0ac1e0103b1408e0645d0eecbfc0868896c4986080ee0374ac768b6
May 19 2018 f3a10fc9eb27fb359b2ad71c491799f087ab52ffba6e051fd8e99d9d1c323ea7
May 18 2018 d0cd76c69c66b3c212b821881144b20f36c87331c657795d81ce50d47bcfcae6
May 17 2018 35e96d9f10ae9739117425b7f6d45a297e792d3fa41a399430f9b10e85f3e4fb
May 16 2018 da87f7ab345cac4dbdebacab92b8f01b22ed345c53eb8ca2c71f53e9034cc91c
May 15 2018 dac50e01f1900e74bbef2f7eef3b384948af45e58d8aac3ede7470194a7fd66f
May 14 2018 2f090892bac58fe868113195aca7b1dc58aef2b77ea531065648e0da3d5f2a53
May 13 2018 1f1d287947345ba425fbd7bc5a8e694d8ba3fc383cec7db1588ba92145e20457
May 12 2018 9c914be174a58c2a18456329a358cdd37f6fc54eb179f15dbdcd02e1d779888d