$ SOURCE_DATE_EPOCH=1785326513 ./python -m test test_zipfile
...
======================================================================
FAIL: test_repack_removed_bytes_between_files (test.test_zipfile.test_core.ZstdRepackTests.test_repack_removed_bytes_between_files) (removed=[2])
Should not remove bytes between local file entries.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/stefanor/git/upstream/cpython/Lib/test/test_zipfile/test_core.py", line 2282, in test_repack_removed_bytes_between_files
    self.assertEqual(
    ~~~~~~~~~~~~~~~~^
        [comparable_zinfo(zi) for zi in zh.infolist()],
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        [comparable_zinfo(zi) for zi in expected_zinfos],
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: Lists differ: [{'or[82 chars] 1, 52), 'compress_type': 93, 'compress_level'[678 chars] 62}] != [{'or[82 chars] 1, 53), 'compress_type': 93, 'compress_level'[678 chars] 62}]

First differing element 0:
{'ori[81 chars] 1, 52), 'compress_type': 93, 'compress_level'[268 chars]: 55}
{'ori[81 chars] 1, 53), 'compress_type': 93, 'compress_level'[268 chars]: 55}

  [{'CRC': 1821039217,
    'comment': b'',
    'compress_level': None,
    'compress_size': 64,
    'compress_type': 93,
    'create_system': 3,
    'create_version': 63,
-   'date_time': (2026, 7, 29, 12, 1, 52),
?                                      ^

+   'date_time': (2026, 7, 29, 12, 1, 53),
?                                      ^

    'external_attr': 25165824,
    'extra': b'',
    'extract_version': 63,
    'file_size': 55,
    'filename': 'file0.txt',
    'flag_bits': 2048,
    'header_offset': 0,
    'internal_attr': 0,
    'orig_filename': 'file0.txt',
    'reserved': 0,
    'volume': 0},
   {'CRC': 2493679103,
    'comment': b'',
    'compress_level': None,
    'compress_size': 71,
    'compress_type': 93,
    'create_system': 3,
    'create_version': 63,
-   'date_time': (2026, 7, 29, 12, 1, 52),
?                                      ^

+   'date_time': (2026, 7, 29, 12, 1, 53),
?                                      ^

    'external_attr': 25165824,
    'extra': b'',
    'extract_version': 63,
    'file_size': 62,
    'filename': 'file1.txt',
    'flag_bits': 2048,
    'header_offset': 116,
    'internal_attr': 0,
    'orig_filename': 'file1.txt',
    'reserved': 0,
    'volume': 0}]

----------------------------------------------------------------------
Ran 589 tests in 10.300s

FAILED (failures=50, skipped=3)