Math.tanh
AssessLanguages & Frameworks
JavaScript hyperbolic tangent function used here as a fingerprinting signal.
Why it's here
Placed in Assess: 3 article(s) of evidence from 1 source(s), led by security coverage, with 0 in the last 30 days. Confidence 37%.
Evidence (3)
- 6Hacker News·8/11/2026open_sourceLean 4 faithfulness checker for theorem statements
Leanscreen is an open-source faithfulness screen for Lean 4 that checks theorem statements for vacuity, misleading docstrings, and other defects the compiler accepts. It offers fast local linting as well as deeper checks with independent judges and counterexample probing, and it was benchmarked against 886 human verdicts.
- 6Hacker News·7/12/2026securityChrome 148 Makes Math.tanh OS-Fingerprintable
Since Chrome 148, V8 uses the host platform's math library for Math.tanh, causing the function to return slightly different floating-point results on Linux, macOS, and Windows. That makes tanh() a small but usable fingerprinting signal that can reveal the underlying OS and create inconsistencies for browser spoofing systems.
- 3Hacker News·7/12/2026product_launchBook on the Odin programming language updated
A book titled "Understanding the Odin Programming Language" teaches Odin from basic to advanced topics such as procedures, manual memory management, parametric polymorphism, and data-oriented design. The post highlights version 1.10 release notes and notes that the book is available in HTML, eBook, Kindle, and Google Books formats.