The OpenBSD team does not offer a downloadable ISO CD-ROM image of the operating system. However, they do allow third parties to create and ISO image and offer it, but it must have a different layout than the "official one".
OpenBSD Unofficial ISO Downloads (snapshots):
openbsd.iso security information:
The OpenBSD Project put's a file caled MD5 in their directories,
use this information to verify the contents and integrity of
the provided iso's.
(snapshot MD5 sums for:
i386
amd64
sparc
sparc64)
openbsd.iso build information:
The images found in this directory are not the official CD images that
can be ordered on
www.openbsd.org/orders.html. If there's any problem
with the image please mail the iso image maintainers about it, and not
the OpenBSD Project. Also, if you like OpenBSD please consider buying
one of the official CDs which help fund the OpenBSD project.
The OpenBSD CD images are maintained by openbsd.@.sabotage.org.
Please mail us for any suggestions or bugreports.
3rd party packages iso's
More info@www.tokkee.de
Download OpenBSD Packages ISOs
Other 3rd party openbsd iso's
Giga Media (Taiwan) provide their own ISO's.
Grabwords: open bsd openbsd iso bootable image cd-rom cd-r disc download someplace ftp.