Without additional context regarding the video's origin—such as a specific social media platform, a news event, or a software application—it cannot be uniquely identified.
Catalog. Subject Title League of Nations Opium / Council/Part 2 Hierarchy Diplomatic Archives of the Ministry of Foreign Affairs > 国立公文書館 b392.mp4
Social media platforms often assign alphanumeric strings to video uploads; for instance, "b392" appears in the metadata strings of certain Facebook business page videos . a news event