Media
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Description
Verify Ed25519-signed factual claims on any web page. Scans for [data-citesig] attributes and shows verification badges inline. CiteSig Verifier reads any web page for factual claims that carry a CiteSig cryptographic signature and shows you inline whether each one is genuinely signed by the source it claims to come from. WHAT IT DOES • Scans the page for HTML elements with a data-citesig attribute (the CiteSig attestation format) • Verifies the Ed25519 signature locally using your browser's WebCrypto API • Renders a small colored badge next to each claim: green ✓ for verified, red ✗ for invalid, yellow ? for unresolvable, gray ! for malformed • Click any badge to open an inspector showing the claim text, signer identifier (did:key), timestamp, and source list • Toolbar popup shows a per-page rollup: how many claims were found and their verification status HOW IT'S DIFFERENT • Fully offline verification — no server calls, no lookups, no telemetry • All cryptographic work runs in your browser via the standard WebCrypto API • One permission (activeTab) — the extension only sees the tab you're currently focused on • No account, no sign-up, no configuration • Open source (MIT) — https://github.com/citesig/verifier-extension PRIVACY Zero data collection. The extension makes no HTTP, HTTPS, or WebSocket requests to any server. Every signature is verified against a public key extracted from the attestation itself using math that runs entirely on your machine. Full policy at https://citesig.org/privacy. FOR PUBLISHERS AND DEVELOPERS The CiteSig protocol is an open specification (CC BY 4.0) for embedding verifiable claims in HTML. If you publish factual content and want your claims to display a verification badge in this extension, see the v0.1 draft spec at https://github.com/citesig/spec. Part of the CiteSig protocol. Incubated by DeepInquiry.
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