(e.g., a PDF, a video, or a software update?)
The format (numbers separated by an underscore) is typical for how files are indexed in Telegram's database. 1_4996916723425739121
In this context, it acts as a "key" to find a specific record, such as an invoice or a user log. 🔗 Cloud Storage Links 1_4996916723425739121
This specific string of numbers, , is a unique internal File ID or Document ID . 1_4996916723425739121
It may also be a reference number for a in enterprise software (like SAP or Oracle).
These strings are used by the to identify documents, photos, or videos.