Observed arrival · 2026-09-16

Proofbundle: receipts for AI evaluation claims

proofbundle.dev Observed source

Editorial interest 86/100 Selection signal · not a rating of the site

An open-source Python tool turns claimed AI evaluation results into signed, offline-verifiable evidence receipts.

Landing page captured for the 2026-09-16 issue.

Field notes

The verifier signs exact payload bytes with Ed25519 and checks RFC 6962 Merkle inclusion, allowing a relying party to recompute results without a server or network. The displayed demo catches payload rewrites, signature grafts, public-key swaps, root replacement, leaf-index shifts, and non-canonical fields. The page reports 3,641 tests and 100 mutation-gated checks. Eval and decision receipts are marked shipped, while the action-outcome receipt remains an experimental planned stage.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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