1ENding1AN61h78V93PUdHt6ZiDAQPZ6uZ
Message:
This is Ending of bitcointalk forum. Signed 03/26/2015
Signature:
Gzj687sx84hxPohxJdhRNqhIxhjdNqTcEKInY0emxQxwD4YV81FDhA+fILfAGlZ6AecsRBqXMUAACQI9lzNFBPY=
This seems like a good idea
1AsRpvQ3ntLEznYKtZeFETLQymV5Yxx6nm
Witnessed, but I think it is better to sign a message from that bitcoin address (and remember to put also the date into the message).