https://www.youtube.com/live/UDGdPE_C9u8
But it doesn't feel like it's a complete description of the puzzle, just the data format. Do the competitors have a list of questions?
https://www.youtube.com/watch?v=UDGdPE_C9u8&t=811s
https://www.youtube.com/live/UDGdPE_C9u8