Upgrade weak claim pages from stronger peer evidence with attribution

Clarify source-screening theorem and release evidence boundaries

Move d=320 rate audit into leaderboard canonical Space

Update logbook: Reproduction: On the Power of Source Screening for Learning Shared Feature Extractors

Update logbook: Reproduction: On the Power of Source Screening for Learning Shared Feature Extractors

Update logbook: Reproduction: On the Power of Source Screening for Learning Shared Feature Extractors

Update logbook: Repro - On the Power of Source Screening for Learning Shared Feature Extractors

initial commit