After more than 150 days of trouble-free operation, one of the project's five validator instances malfunctioned and marked about 20,000 results as invalid or validate error

After more than 150 days of trouble-free operation, one of the project's five validator instances malfunctioned and marked about 20,000 results as invalid or validate error. The validator has been restarted and is now functioning correctly. The project is granting credits for all results that were affected in this way. For more details please see this message board thread.