Operational Semantics
myronkochStream of consciousness investigations on the delta between intended behavior and observed execution in intelligent systems
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 55 | Founded | 4 years ago | Last Issue | 18 days ago |
| Active | |||||
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myronkoch.substack.comLatest Issues
The Deploy That Broke Everything (Three Times)
📖 Read with full features on operationalsemantics.dev — Better formatting and the full archive
How a stale /tmp/ directory silently wiped our Meta Pixel, served the wrong landing page to Windows users, and sent old OG cards to ev...
The Key Rotation That Wouldn't Rotate
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The hook
The error said I was using 70,249 tokens. My prompt was a rounding error inside that number.
That number sent me down a rabbit hole convinced I’d bloated something badly....
The Voice Clone Hiding in My Dictation App
📖 Read with full features on operationalsemantics.dev — Better formatting and the full archive
My dictation app had been quietly saving every recording next to its transcript for months. That turns out to be exactly what a voice-...
The Launchpad Ghost: How a Disk Cleanup Broke a Feature Apple Never Actually Removed
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I run two Macs - an M3 Mac Studio and an M1 MacBook - both driving my PAI infrastructure. Same macOS version, same Tahoe 26.4.1 build. A few days ago I ran DaisyDisk on the M3 to rec...
Querying Three Databases in Parallel So My AI Agent Doesn't Start From Zero
📖 Read with full features on operationalsemantics.dev
Update, July 2026: Backchannel is now FleetCurrent. This post keeps the original name throughout, since that's what it was called when this was written.
Every time I spin u...
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| Subscribers | Engagement | 52 | Monthly Web Visits | ||
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Authors
The writers behind this newsletter.
Lately, I've been building AI systems that talk to blockchains and coordinate with each other in production. Guest lectured at Harvard, MIT, Princeton, and Oxford. Twenty years of being early.
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