The string 1011 hdtv-lol[ettv]-1 is a standard naming convention used by digital release groups:

The labor coincides with Amy’s birthday. As a recurring gag, Sheldon and Amy have an agreement to have "annual coitus" only on her birthday, which is repeatedly interrupted by news from the hospital.

Raj accidentally reveals the baby's gender before the birth, leading to his temporary "banishment" from the delivery waiting room.

The baby’s cry is designed to sound like Howard’s late mother, Mrs. Wolowitz, serving as a tribute to the actress Carol Ann Susi. Technical Decoding of the Filename