Last modified: 2008-11-01 18:36:51 UTC
See the URL, page was protected using the api both with expiry=infinite and expiry=20091101000000 but they were set to 1/1/1970. Api answer didn't provide any error: <protections><protection create="autoconfirmed" expiry="2009-11-01T00:00:00Z" /></protections>
Fixed in r42964.