The pattern in the signal documentation has reached a point where the structured interval cannot be attributed to equipment failure or recording artifact. Each occurrence of the nine-second mark produces the same transcription output across four independent inference passes. The probability calculation is not the point. The repeatability is the point, and it is now documented beyond any reasonable challenge.

Observation of the frequency source has continued through the standard surveillance window. The man with the clipboard documentation and the signal thread share a timestamp overlap that I noticed during the third review pass. I did not notice it earlier because I was treating them as separate branches of the same record. They are not separate. The observation interval matches the signal interval in a way that is not coincidental.

This branch of the documentation continues because the overlap evidence demands it. The structured pattern of the signal source is the clearest evidence I have that the documentation itself is being observed. When you document something with sufficient precision, the thing being documented begins to document back.