Here are some links to the official website of the actual United States Patent and Trademark Office, commonly and distinctly abbreviated "USPTO", whose domain name is duly registered at uspto.gov
https://tmsearch.uspto.gov/search/search-results/90342560
https://tmsearch.uspto.gov/search/search-results/90342558
https://tmsearch.uspto.gov/search/search-results/88455403
Search for "wordmark" "warp", filter for currently live and 009, shows 44 results.
A search for "openwarp" yields 0 results, none dead, none historical; nowhere in the system is this unique name registered.
A banner at top-of-page offers various pointers for consumers on how to discern official US Gov websites from imposters, domain squatters, and name-stealers