Starting on September 20, 2022, and lasting for 795 days, 2 times, ptf.caltech.edu was inspected for availability. Tests confirm ptf.caltech.edu was online 2 times in total, with September 20, 2022, being the most recent 200 status result. No downtime incidents occurred on ptf.caltech.edu as of November 24, 2024, based on all tests. As of November 24, 2024, all responses have been error-free according to the replies received. On September 20, 2022, 1.069 seconds contrasted ptf.caltech.edu's average 1.909 seconds response time.