Whitebox Automation -- Automated Theory Exploration for Interactive Theorem Proving: An Introduction to the Hipster System -- Automating Formalization by Statistical and Semantic Parsing of Mathematics -- A Formalization of Convex Polyhedra Based on the Simplex Method -- A Formal Proof of the Expressiveness of Deep Learning -- Formalization of the Lindemann-Weierstrass Theorem -- CompCertS: A Memory-Aware Verified C Compiler Using Pointer as Integer Semantics -- Formal Verification of a Floating-Point Expansion Renormalization Algorithm -- How to Simulate It in Isabelle: Towards Formal Proof for Secure Multi-Party Computation -- FoCaLiZe and Dedukti to the Rescue for Proof Interoperability -- A Formal Proof in Coq of LaSalle's Invariance Principle -- How to Get More out of Your Oracles -- Certifying Standard and Stratified Datalog Inference Engines in SSReect -- Weak Call-by-Value Lambda Calculus as a Model of Computation in Coq -- Bellerophon: Tactical Theorem Proving for Hybrid Systems -- Formalizing Basic Quaternionic Analysis -- A Formalized General Theory of Syntax with Bindings -- Proof Certificates in PVS -- Efficient, Verified Checking of Propositional Proofs -- Proof Tactics for Assertions in Separation Logic -- Categoricity Results for Second-Order ZF in Dependent Type Theory -- Making PVS Accessible to Generic Services by Interpretation in a Universal Format -- Formally Verified Safe Vertical Maneuvers for Non-Deterministic, Accelerating Aircraft Dynamics -- Using Abstract Stobjs in ACL2 to Compute Matrix Normal Forms -- Typing Total Recursive Functions in Coq -- Effect Polymorphism in Higher-Order Logic (Proof Pearl) -- Schulze Voting as Evidence Carrying Computation -- Verified Spilling and Translation Validation with Repair -- A Verified Generational Garbage Collector for CakeML -- A Formalisation of Consistent Consequence for Boolean Equation Systems -- Homotopy Type Theory in Lean -- Verifying a Concurrent Garbage Collector Using a Rely-Guarantee Methodology -- Formalization of the Fundamental Group in Untyped Set Theory Using auto2.