OK: it's an optional field, "checksum", but not a formal has. As of v. 0.9:
http://archive-access.sourceforge.net/warc/warc_file_format-...
I haven't checked the drafts specs for further progress, but that's here:
http://archive-access.sourceforge.net/warc/
IA are instrumental in developing WARC, use it as their archival format (non-WARC web archives are ... generally not acceptable), and it's been adopted by US Library of Congress and other institutions as a standard.
OK: it's an optional field, "checksum", but not a formal has. As of v. 0.9:
http://archive-access.sourceforge.net/warc/warc_file_format-...
I haven't checked the drafts specs for further progress, but that's here:
http://archive-access.sourceforge.net/warc/
IA are instrumental in developing WARC, use it as their archival format (non-WARC web archives are ... generally not acceptable), and it's been adopted by US Library of Congress and other institutions as a standard.