perm_sha: identify the visit order by hashing the permutation, not just its seed (E-035 residual) -- cursor gains shuffle_perm_sha, asserted on resume; session repins the two files

kernels/phase4_session.py

@@ -180,11 +180,11 @@ def main():
         "ounce100m_credentials.py": ("ounce100m_credentials.py",
                                      "6525f62f03f2d73650a1eb4f70fcb52d1194caad4ca88b2d8bd8fd54f88339b6"),
         "shard_dataset.py": ("train/shard_dataset.py",
-                             "adbcd96fbab9505a5e8dec4d2e83d00366a73f702786bffbde430195cf6f0471"),
+                             "f35653bf4c8f2cfe7bb0c2c7835e308505fb5a84b4eb002d0f82f2cada768ca6"),
         "hubckpt.py": ("train/hubckpt.py",
                        "568c31b300906cb8d78a59ef890baa9731b18e064e3d69b0eaea4b45c546f23e"),
         "train_ounce100m.py": ("train/train_ounce100m.py",
-                               "c4c178c0ac17c68de1521d85612a0dc604e6d4748dfdc8bd3e374512bc90ce96"),
+                               "60725990f1dc71160830ee03ec371cbcee8f70d7b13bf9a1b312188a0387b802"),
     })
 
     import ounce100m_credentials