Umbrella Blog - A Cardano + PHP Blogging Tool for WordPress. Cryptographically sign your content with one-click blockchain proof of authorship.
Spec-conformant HTMLTrust content signing for Hugo static sites — Hugo Module + htmltrust-sign Go CLI.
Reference HTMLTrust trust-directory API server — federated key registry, endorsement aggregation, and reputation discovery for <signed-section> content.
Reference implementations of the HTMLTrust canonical text normalization, signature verification, keyid resolution, and endorsements — Go, JavaScript, Python, Rust, PHP.
Reference CMS integrations for signing HTMLTrust content at publish time — WordPress plugin + Hugo partial.
Reference browser extension that verifies HTMLTrust signed-sections locally on every page load and surfaces per-section trust badges — Chrome, Firefox, Safari.
Reference HTMLTrust client-side verification + trust-policy library for browsers and Node.js — TypeScript, zero dependencies.
The HTMLTrust specification and academic paper — a decentralized framework for embedding cryptographic trust directly into HTML content via <signed-section> elements.
📝 Sign and authenticate your blog content effortlessly with immutable proof of authorship using the Cardano blockchain.
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