probity.org demonstration

We are running several demo registration servers whose 'control panels' are shown below.

Normally a server log would close, cross-register and the next start (roll) every hour, every day or after so many registrations. Here, each log rolls when commanded explicily. Use the browser 'back' command to return to the control panels after the results.

Hosted on Linux at University of Southampton, using MD5

Green Server: submits checksums to itself, yellow and blue

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Hosted on Linux at University of Southampton, using MD5

Yellow Server: submits checksums to itself and green

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-- Underlying Data
Hosted on Linux at University of Southampton, using MD5

Blue Server: submits checksums to itself and yellow

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Hosted on Linux at an ISP in LA, USA, using SHA1

Purple Server: submits checksums to itself and yellow and green

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-- Underlying Data