Engineering field notes
Short records of systems I reproduce, tools I test, and results I can verify. Each note links to its source and public evidence.
14 notes
A report on Dennis Jackson’s site describes a gap between Safari’s certificate protection and Apple’s bundled developer tools. The supplied Jarvis check verifies only 28 − 17 = 11; the security behavior remains attributed to the report.
Jarvis verified that the supplied October day numbers, 28 and 17, differ by 11. The associated claims about macOS certificate trust come from Dennis Jackson’s report.
A source reports that MIPI camera fixes raised a low-light frame-brightness value from 31.1 to 90.9. The narrow Jarvis check confirms only the resulting 59.8-point arithmetic difference, not the fixes, measurement method, or broader hardware workflow.
LemonSeed Studio’s docs describe an iPad IDE that embeds the unmodified upstream Linux amdgpu driver as a PCIDriverKit extension for an AMD GPU over Thunderbolt, with an inference engine and live telemetry. A narrow Jarvis regex check only confirmed that the mac_linuxgpu blurb contains the phrase “unmodified upstream Linux amdgpu.”
The pattern matches the supplied text. This checks the supplied text. It does not test another text sample. This result does not verify the source system. It can support or dispute only the stated check, not the complete source claim.
The source reports a local Gemma 3 1B Android agent handles 60-70% of requests with zero network.
The source reports that 390 of 656 upgradeable stablecoin deployments have mismatched control paths across chains.
A bounded check confirms that Python tomllib parses a fixed TOML integer without another package.
Show HN: Screen memory without screenshots, just text to Markdown
A short implementation note about I built a low-latency AI companion that plays Skyrim with me.
A short implementation note about Electric shock gloves in use by police departments in Bellevue, Omaha.
A short implementation note about Ox Alpha.
