Portsnap - snapshot corrupt error

[RW]

I've been running portsnap for a couple of weeks on 5.4-RELEASE-p6. I've just 
noticed that some port directories have gone missing - pkgdb detected 5 as  
missing origins. 

Stale origin: 'sysutils/k3b': perhaps moved or obsoleted.
Stale origin: 'textproc/libxml': perhaps moved or obsoleted.
Stale origin: 'x11-fonts/linux-fontconfig': perhaps moved or obsoleted.
Stale origin: 'mail/thunderbird': perhaps moved or obsoleted.
Stale origin: 'multimedia/xmms': perhaps moved or obsoleted.

I then ran "portsnap extract" and got: 

files/84dbdf5685ea980c7f3a7b09037c71758e0bb3ba4bbfe3484dda0945d18658b6.gz not 
found -- snapshot corrupt.

What worries me most about this is that I haven't seen any error message from 
the normal fetch/update stages.


----------------------------------------------------------------------

version: portsnap-0.9.5

portsnap.conf:
KEYPRINT=9b5feee6d69f170e3dd0a2c8e469ddbd64f13f978f2f3aede40c98633216c330
URL=http://portsnap.daemonology.net