
Vector clocks reveal two concurrent writes
Compare three-component version vectors, reconcile a shopping-list deletion, and test how identity reuse or erased context breaks causal comparison.
Foundation
The journal / Ideas in progress
Engineering & everyday learningSoftware, systems, and the things I’m learning along the way. From first principles to AI in production.
Find something to readA little theory. A lot of practice.

Compare three-component version vectors, reconcile a shopping-list deletion, and test how identity reuse or erased context breaks causal comparison.

Run local TCP controls where the same client timeout hides different server outcomes, then test retry identities and lost deduplication receipts.