The file format is .mp4 . While archivists prefer uncompressed formats like .mkv or .avi for masters, MP4 is the king of delivery. The presence of MP4 suggests this file was meant for accessibility, streaming, or sharing, rather than strict preservation. It is the "delivery copy" of the archive.
about where you encountered the name or what it is supposed to do? archivemosaicmidv907mp4 2021
likely refers to a video file (MP4) from 2021 , part of a structured digital archive labeled “mosaic,” possibly linked to MIDV (Mobile ID Document Video) datasets. The number “907” could indicate a specific video sequence or camera/session ID. Such files are typically used in automated document verification, video-based identity document recognition , or digital forensics training where multiple still frames from video are tiled (“mosaic”) into a searchable archive for testing algorithms. The file format is
: Suggests the file is part of a long-term storage repository, such as the Internet Archive or a corporate digital asset management system. It is the "delivery copy" of the archive