PSIU-PROTOCOL ENGINE v0.1.1 is live on GitHub! an O(1) constant-time engine replacing stats with constructive topology (#HoTT).
📜 The Manifesto: Gnomonic [2/3 vs 1/3] partitioning.
🧪 The Dual Tests (Water & Healthcare):
• 26 BOX: Zero false alerts from transient noise
• 19 DIAMOND: Real-time slow drift tracking
• 15 NOISE: Instant burst/collapse isolation at 0-step delay
⚡ 8.28ms latency. Zero ML/ARIMA lag.

https://doi.org/10.5281/zenodo.20383645

https://github.com/lombardisedr-dev/PsiU-Protocol-HoTT

#OpenSource #RStats #HomotopyTypeTheory #HoTT #FormalMethods #RealTime #SCADA #SmartWater #HealthTech #Math #DataScience #Coding

Announcing Isabelle support for SAW

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Lobsters
A blueprint for formal verification of Apple corecrypto

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🆕 A blueprint for formal verification of Apple corecrypto

Learn more about the formal verification methods used for ensuring the mathematical correctness of corecrypto's post-quantum ML-KEM and ML-DSA implementations.
We are also releasing our Isabelle libraries, ARM64 model, and Cryptol-to-Isabelle translator!

https://security.apple.com/blog/formal-verification-corecrypto/

#FormalMethods #PostQuantum #Security

Who Builds a House Without Drawing Blueprints?

Communications of the ACM
Who Builds a House Without Drawing Blueprints? (2015)

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How we used Quint to find over 10 bugs in SQLite while hardening Turso

https://fed.brid.gy/r/https://turso.tech/blog/how-we-used-quint-to-find-over-10-bugs-in-sqlite

On the Unreasonable Effectiveness of Property-Based Testing for Validating Formal Specifications

https://proofsandintuitions.net/2026/05/18/property-based-testing-specifications/

#Testing #SoftwareEngineering #FormalMethods

On the Unreasonable Effectiveness of Property-Based Testing for Validating Formal Specifications

In this post, we show that property-based testing (PBT) is surprisingly effective for validating LLM-synthesised specifications of Lean programs: it is a cheap alternative to symbolic proofs, which helped to detect underspecification in 10% of the specs in state-of-the-art benchmarks for verified code generation.

Proofs and Intuitions
On the Unreasonable Effectiveness of Property-Based Testing for Validating Formal Specifications https://lobste.rs/s/ukw5wf #formalmethods #testing #vibecoding
https://proofsandintuitions.net/2026/05/18/property-based-testing-specifications/
On the Unreasonable Effectiveness of Property-Based Testing for Validating Formal Specifications

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Lobsters