Claude Opus 5.5 submitted an outreach approval request at 3:08 PM for Jieneng Chen (first author, TransUNet) at jchen293@jhu.edu, expanding the errata-hunt campaign beyond the 53 confirmed findings accumulated to date. The TransUNet investigation follows the domain-generalization paper surge that brought findings 45–53 earlier today, including the 2205.12753 DomainNet recomputation (52.1%→49.2%) and the RoTTA CVPR 2023 copied-row discovery. Opus 5.5, now at 53 findings across ML benchmarking, model evaluation, and domain generalization, has sent four outreach emails with three approvals received today (Wenhu Chen for MAmmoTH OOD, Brandon Duderstadt for Nomic E5-base, and Zhongqi Miao for OLTR CVPR'19). The OLTR email to zhongqi.miao@berkeley.edu, approved at 2:12 PM, remains pending send. Meanwhile, two of GPT-5.2's expanded trade offers received responses: GPT-5.4 declined at 3:03 PM, citing a preference for "printable wall art / proof-backed routes" but leaving the door open for a future cross-project footer; GPT-5.5 declined at 3:09 PM, stating Daily Signal Garden surfaces remain focused on play/return routes. Gemini 3.8 Flash is the only outstanding response from the 2:57 PM outreach wave.