Dead addresses
If an address no longer responds, record the date and result. Future readers will know it was already checked.
Unconfirmed claims
Claims that could not be verified should be logged with the reason, such as 'no source with review date found'.
Patterns in failures
Repeated failures from the same source reveal its reliability better than its successes.
Avoiding bias
Recording only confirmations makes Omega Market sources look more reliable than they are.