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8DB

Journal series · 4 articles

Evaluation and Assurance

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Engineering note

Evaluation and Assurance

Every Number on This Site Comes With the Harness That Made It

Vendor benchmarks are the least trusted documents in technology, and they deserve it. Ours carry their quantity, their scope and the harness that produced them, and the rule is enforced in code, so a figure that cannot meet it never reaches you. Here is the rule, the incident that made us adopt it, and how to use it against us.

5 min readDoctrine enforced in code · Applied to every published figureRead article
Engineering note

Evaluation and Assurance

Entity Resolution You Can Defend in Front of a Regulator: 4.28 Million Records, Every Merge Explained, Identical on Every Run

Merging records about people, companies and vessels from hundreds of sources is where intelligence analytics earns or loses trust, and most systems hide the merge behind a score. 8DB does the opposite: every merge decision carries its evidence, every conflict is preserved rather than resolved by fiat, every gap is stated as a gap, relationships stay whole, and a rerun over 4.28 million public sanctions records reproduces the same decisions byte for byte.

6 min readPublic-corpus run · 4.28 million records · Byte-identical replayRead article
Engineering note

Evaluation and Assurance

Make Prompt Injection Harmless to Your Data: Clearance Lives in the Key, So a Hijacked Agent Decrypts Nothing It Was Not Cleared For

An agent reasoning at the tactical edge is only as trustworthy as the data it can reach. Put access control in a filter in front of plaintext and every mistake in the filter is a disclosure. Make clearance and policy inputs to key derivation and an unauthorised read yields ciphertext and nothing else. That is what 8DB does for sensemaking systems, and an independent evaluator can run the claim on an isolated host.

6 min readTested claims · Evaluator harnesses · Explicit non-claimsRead article
Engineering note

Evaluation and Assurance

Four Claims, One Pinned Artifact: What an Independent Evaluator Should Be Able to Run

Most product security claims arrive as documents. An evaluator should receive one pinned artifact, run it offline without source access, and get PASS, FAIL or INCONCLUSIVE against frozen baselines for a small set of bounded claims. That is how 8DB is packaged, and it is the shape every data product for high-consequence programmes should be held to.

8 min readEvaluator bundle · Frozen baselines · Explicit non-claimsRead article