Notes tagged “content-addressing”

2026

1. June 2026 The URL Is the Hash

   Content-addressing on the wire — how the web quietly became a content-addressed store, where fingerprinted URLs and Subresource Integrity are real Merkle edges and the cache that looks most like one isn't.

   http caching content-addressing subresource-integrity merkle cdn web-performance security dissecting-systems

2. June 2026 You Don't Want Separate Repos

   A repository is a database; splitting a subproject out trades a content hash for a version string — and there's only one case where that trade is actually forced.

   monorepo versioning git pnpm npm package-managers dependencies content-addressing modularity security supply-chain genkit sdk-design dissecting-systems

3. June 2026 node_modules Is the Heaviest Object in the Universe

   The same "the hash is the identity" idea that powers a build cache also explains why pnpm stores on disk what npm copies a hundred times over.

   package-managers pnpm npm content-addressing dissecting-systems

4. June 2026 The Hash Is the Identity

   Content-addressing in the build cache — content-addressed storage and Merkle trees turn a build cache into a shared resource, so your build is proportional to anyone's change.

   build-systems remote-execution bazel buck2 content-addressing dissecting-systems

5. June 2026 A Little Uncertainty Buys a Lot of Space

   Bloom filters trade a small chance of being wrong for an enormous saving in memory — a bargain storage engines take and build systems, so far, refuse.

   probabilistic-data-structures bloom-filters build-systems content-addressing dissecting-systems