Print of `revisions` at this line https://forge.softwareheritage.org/source/swh-storage/browse/master/swh/storage/storage.py$692 [{'author': {'email': 'robot@softwareheritage.org', 'fullname': 'Software Heritage', 'name': 'Software Heritage'}, 'committer': {'email': 'robot@softwareheritage.org', 'fullname': 'Software Heritage', 'name': 'Software Heritage'}, 'committer_date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'directory': ':\xeb\xc2\x9e\xd1\xfc\xccJo/ \x10\xfb\x8eW\x88$\x06\xb5(', 'id': 'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3', 'message': 'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.1.0.tar.gz', 'date': '944729610', 'id': 'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3'}}, 'parents': [], 'synthetic': True, 'type': 'tar'}, {'author': {'email': 'robot@softwareheritage.org', 'fullname': 'Software Heritage', 'name': 'Software Heritage'}, 'committer': {'email': 'robot@softwareheritage.org', 'fullname': 'Software Heritage', 'name': 'Software Heritage'}, 'committer_date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 947003574}}, 'date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 947003574}}, 'directory': 'F\xd8\xb4\xd6\xeb\xc1rAk\xee\xea\x9c\xd9\x1fq\x00r\xd9\x1e\xe3', 'id': '\xc57\xd4\xad\xbeM\xc0\x01\xb0G\xeb\xb2\xce\xa4\x15I\x84w\x13\x84', 'message': 'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.2.0.tar.gz', 'date': '947003574', 'id': '\xc57\xd4\xad\xbeM\xc0\x01\xb0G\xeb\xb2\xce\xa4\x15I\x84w\x13\x84'}}, 'parents': [], 'synthetic': True, 'type': 'tar'}] print of contents of `revisions_filtered` here https://forge.softwareheritage.org/source/swh-storage/browse/master/swh/storage/storage.py$710 {'author_email': 'robot@softwareheritage.org', 'author_fullname': 'Software Heritage', 'author_name': 'Software Heritage', 'committer_date': '1999-12-09T08:53:30+00:00', 'committer_date_neg_utc_offset': False, 'committer_date_offset': 0, 'committer_email': 'robot@softwareheritage.org', 'committer_fullname': 'Software Heritage', 'committer_name': 'Software Heritage', 'date': '1999-12-09T08:53:30+00:00', 'date_neg_utc_offset': False, 'date_offset': 0, 'directory': ':\xeb\xc2\x9e\xd1\xfc\xccJo/ \x10\xfb\x8eW\x88$\x06\xb5(', 'id': 'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3', 'message': 'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.1.0.tar.gz', 'date': '944729610', 'id': 'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3'}}, 'parents': [], 'synthetic': True, 'type': 'tar'} {'author_email': 'robot@softwareheritage.org', 'author_fullname': 'Software Heritage', 'author_name': 'Software Heritage', 'committer_date': '2000-01-04T16:32:54+00:00', 'committer_date_neg_utc_offset': False, 'committer_date_offset': 0, 'committer_email': 'robot@softwareheritage.org', 'committer_fullname': 'Software Heritage', 'committer_name': 'Software Heritage', 'date': '2000-01-04T16:32:54+00:00', 'date_neg_utc_offset': False, 'date_offset': 0, 'directory': 'F\xd8\xb4\xd6\xeb\xc1rAk\xee\xea\x9c\xd9\x1fq\x00r\xd9\x1e\xe3', 'id': '\xc57\xd4\xad\xbeM\xc0\x01\xb0G\xeb\xb2\xce\xa4\x15I\x84w\x13\x84', 'message': 'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.2.0.tar.gz', 'date': '947003574', 'id': '\xc57\xd4\xad\xbeM\xc0\x01\xb0G\xeb\xb2\xce\xa4\x15I\x84w\x13\x84'}}, 'parents': [], 'synthetic': True, 'type': 'tar'} Revision value in the When printed in the `fetch_data` of GNU Loader {'author': {'email': b'robot@softwareheritage.org', 'fullname': b'Software Heritage', 'name': b'Software Heritage'}, 'committer': {'email': b'robot@softwareheritage.org', 'fullname': b'Software Heritage', 'name': b'Software Heritage'}, 'committer_date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'directory': b':\xeb\xc2\x9e\xd1\xfc\xccJo/ \x10\xfb\x8eW\x88$\x06\xb5(', 'id': b'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3', 'message': b'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.1.0.tar.gz', 'date': '944729610'}}, 'parents': [], 'synthetic': True, 'type': 'tar'} {'author': {'email': b'robot@softwareheritage.org', 'fullname': b'Software Heritage', 'name': b'Software Heritage'}, 'committer': {'email': b'robot@softwareheritage.org', 'fullname': b'Software Heritage', 'name': b'Software Heritage'}, 'committer_date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 944729610}}, 'directory': b':\xeb\xc2\x9e\xd1\xfc\xccJo/ \x10\xfb\x8eW\x88$\x06\xb5(', 'id': b'D\x184\x88\xc0wL\xe3\xc9W\xfa\x19\xbai\\\xf1\x8aJB\xb3', 'message': b'swh-loader-package: synthetic revision message', 'metadata': {'package': {'archive': 'https://ftp.gnu.org/gnu/8sync/8sync-0.1.0.tar.gz', 'date': '944729610'}}, 'parents': [], 'synthetic': True, 'type': 'tar'} For reference NPM revision {'author': {'email': None, 'fullname': b'Goldeneye Solutions', 'name': b'Goldeneye Solutions'}, 'committer': {'email': None, 'fullname': b'Goldeneye Solutions', 'name': b'Goldeneye Solutions'}, 'committer_date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 1396886527}}, 'date': {'negative_utc': False, 'offset': 0, 'timestamp': {'microseconds': 0, 'seconds': 1396886527}}, 'directory': b'\xec\x08\xa3\x05\x8fM9?\x81\x0eE!+\x9c\xfa\n8\xe8\xc3y', 'id': b'm\xd5@6\xaa*v\xa6A\x8c\xfb\xc5Zk\x9eW\xa8\xb2lU', 'message': b'0.0.1', 'metadata': {'package': {'author': 'Goldeneye Solutions', 'copyright': '© 2014 Goldeneye Solutions Inc.', 'dependencies': {'ja-lib': '0.1.x'}, 'description': 'Compose a cross-platform application ' 'from various things.', 'engines': {'node': '>=0.9.9'}, 'name': 'ja', 'version': '0.0.1'}, 'package_source': {'blake2s256': 'fcf5438822e12c8a6973b9ecb40df4978947edd675c4269d728d5279dc82b203', 'date': '2014-04-07T16:02:07.453Z', 'filename': 'ja-0.0.1.tgz', 'name': 'ja', 'sha1': '31399c51d3024f6eb91c626a31a175dc30f343e5', 'sha256': '8101e284d5846e77f9698628da660e92f8627535c266a3aef28549b25e63a597', 'url': 'https://registry.npmjs.org/ja/-/ja-0.0.1.tgz', 'version': '0.0.1'}}, 'parents': [], 'synthetic': True, 'type': 'tar'}