/tags/integrity/Recent content in Integrity on Momo Engineering Journal/images/og-image.png/images/og-image.pngHugoen-usWed, 21 Oct 2026 11:26:56 -0600/posts/043-reduce-read-verify-hashing/Wed, 26 Aug 2026 19:00:59 +0000/posts/043-reduce-read-verify-hashing/Verify-on-read re-hashes the full object on every local read (~8x slower than write). A ReadVerifier seam skips re-verification for blobs verified this process, while scrub still catches bitrot./posts/007-at-rest-integrity-and-gc/Mon, 24 Aug 2026 19:36:43 +0000/posts/007-at-rest-integrity-and-gc/CAS keys make verify-on-read free: central verification, x-amz-checksum echo, tombstone GC, and corruption surfacing./posts/031-core-integrity-verification/Mon, 24 Aug 2026 18:03:31 +0000/posts/031-core-integrity-verification/S3 integrity checksums moved from a surface-level adapter into the storage/ingest core via a protocol-agnostic ChecksumProvider seam — every write path verified, replicas re-verify on receive./posts/012-s3-integrity-checksums/Mon, 24 Aug 2026 16:36:34 +0000/posts/012-s3-integrity-checksums/x-amz-checksum-CRC32/SHA256 echo on PUT; integrity surfaced to clients so dirty bytes never masquerade as clean. Teaches: client-verifiable integrity, Bolt zero-allocation on read path, Sentinel honesty guarantee.