What question did this study set out to answer?

The main aim is to evaluate the performance of CDN-342 in relation to a locked lognormal concentration prior.

June 27, 2026Open Access

CDN-343: The Concentration Prior Stress Test - Art Edition

Key Points

The main aim is to evaluate the performance of CDN-342 in relation to a locked lognormal concentration prior.
Stress-tests CDN-342 against a lognormal concentration prior centered on CDN-335 fiducial value.
Analyzes the J1100+5329 BE crossing and simple-boosted crossing points.
Determines pass points relative to the fiducial prior value.
J1100+5329 BE crossing occurs at c=13.174, 0.798 sigma above the prior median, with 21.2% upper-tail probability.
Simple-boosted crossing occurs at c=12.791, indicating its proximity to the prior value.
Full-sample pass point at c=15 remains 1.174 sigma above the fiducial prior.

Abstract

CDN-343 stress-tests the CDN-342 last-lens concentration debt against a locked lognormal concentration prior centered on the CDN-335 fiducial value c0=10. 0 with sigmaₗog10 (c) =0. 15 dex. The J1100+5329 BE crossing occurs at c=13. 174, only 0. 798 sigma above the prior median, with a 21. 2% upper-tail probability. The simple-boosted crossing occurs at c=12. 791, and the full-sample 20/20 pass point at c=15 remains only 1. 174 sigma above the fiducial prior. Verdict: LASTLENSCROSSINGWITHINONESIGMA.

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