: This indicates the video was recorded/captured from a streaming service (like BritBox or ITVX) rather than being a direct digital download (WEB-DL) or a disc rip.
While there isn't a formal "paper" (academic or scientific) written specifically about this release file, Episode Overview: "Blue" : February 12, 2023. Vera.S12E03.WEBRip.x264-ION10
You can find this episode on legitimate streaming platforms: : This indicates the video was recorded/captured from
The string refers to a specific digital release of the British crime drama Vera , Season 12, Episode 3, titled " Blue ." Episode Overview: "Blue" : February 12
: Often available for individual episode or season purchase.