See https://www.mediawiki.org/wiki/Topic:Utxs1r3bbgwwl4n1

That now public committed hash was set in 2015: https://zh.wikipedia.org/w/index.php?title=User:%E8%8C%83/%E8%BA%AB%E4%BB%BD%E9%AA%8C%E8%AF%81&diff=prev&oldid=34228689
Google translate: https://translate.google.com/translate?sl=auto&tl=en&u=https%3A%2F%2Fzh.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DUser%3A%25E8%258C%2583%2F%25E8%25BA%25AB%25E4%25BB%25BD%25E9%25AA%258C%25E8%25AF%2581%26diff%3Dprev%26oldid%3D34228689

Given the now public secret phrase and that they are an OTRS volunteer, I am emailed and asked the OTRS volunteers to help me verify this is a valid request.