“Do not play after 22:14 on March 11, 2011.”
If you own a piece marked Rikitake No.119 Shoko Esumi.68, consider submitting a photograph to the Esumi Shoko Catalogue Raisonné project for authentication. Rikitake No.119 Shoko Esumi.68
The decimal point is unusual. It might indicate: “Do not play after 22:14 on March 11, 2011
Given the lack of public records, this article will approach the keyword as a – perhaps from a private collection, a forgotten technical report, an underground art piece, or a misremembered reference. a forgotten technical report
If this is an academic paper, you might find it through academic databases such as Google Scholar, JSTOR, or ResearchGate, using the title and author's name.