Abbreviation for . Sometimes used to separate hours from minutes or to clarify the preceding number. Here it likely follows the runtime indicator.
These are likely the names of the hosting sites or distribution platforms where the file was indexed. dass341mosaicjavhdtoday02282024021645 min extra quality
From an information retrieval perspective, a keyword of this length is anti-pattern for Google but standard for specialized search engines (like file indexing sites, IRC search bots, or NZB indexers). Abbreviation for
On peer-to-peer networks, fake files are common. Unique strings act as checksums. A file with precisely 02282024021645 in its name is harder to spoof than a generic title. IRC search bots