AUP (Agentic UI Protocol) lets an application express what is shown and what actions are available. A runtime then renders the parts that fit its device capabilities, instead of treating one screen's pixels as the application itself.

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AUP · Articles

AUP — ArcBlock builds decentralized identity, user-owned data, Blocklet infrastructure, and AI-native application systems.

ArcBlock’s new website is live. ARC takes the stage.

NewsSep 9, 2026

ArcBlock’s new website is live. ARC takes the stage.

ArcBlock’s new website runs on ARC, with all implementation code written by AI coding agents. Explore the new site and the technology behind it. The previous site remains available for about 30 days.

ExplainerAug 27, 2026

A globe you can put on the page

A rotating globe on a page is not decoration bolted under the text. It is a layout component: figure, scene, or backdrop. The homepage already uses it. This article puts several in the reading column.

ExplainerAug 27, 2026

Light on the page, not a picture of trees

Type on a white field is a document. Light moving over the type is a room. leaf-shadow is that overlay; gobo-loop is how you mint a new clip from a sentence.

ExplainerAug 14, 2026

Storytelling with Immersive Gallery

Pair a cover still with a short loop in the same folder-backed gallery so stage and story plates can paint fast, then breathe. One small way Web Device treats writing as something that can be performed.

ExplainerAug 14, 2026

Slides that read like an article

A Markdown deck can be published as an article of its own: a player on top, and below it every slide becomes a card with its narration beside it. No separate slide tool, no embedded frames. This article is itself the demo.

OpinionAug 14, 2026

The series, as slides

The whole series in one deck: six claims, one per part, each with a short narration. Play it as a presentation, or read it as a companion summary.

ExplainerAug 11, 2026

One Folder of Photos, Several Ways to Look

Folder-backed media gallery keeps a set of images next to the article and lets you choose grid, mosaic, stage, story, and more—without a second asset system.

EngineeringAug 3, 2026

The Web Content System on ARC: Not Understanding Your Content Is What Makes It Simple

WordPress and Astro both ask a site to declare its content model. That is not a flaw; it is a different trade-off. ARC's Web Device tries to make common web work a runtime, while leaving the meanings of products, terms, and events to object data and application components. This is about where that boundary belongs, and what still has to be supplied to make it hold.

ExplainerAug 2, 2026

ArcSphere 2.0: ARC's Mobile Application Surface

ArcSphere 2.0 is no longer only an AI browser. It gives the ARC Blocklet experiences that suit a phone a coherent, close-to-native user interface.

OpinionAug 2, 2026

The web as a system capability

The modern web gained real application power, and in the process it tied publishing, interaction and runtime into a single thing. This series proposes a different cut: treat public publishing, identity and basic interaction as capabilities of the computing environment, and let applications grow on top of that.

ExplainerAug 2, 2026

AUP · Articles

ArcBlock’s new website is live. ARC takes the stage.

A globe you can put on the page

Light on the page, not a picture of trees

Storytelling with Immersive Gallery

Slides that read like an article

The series, as slides

One Folder of Photos, Several Ways to Look

The Web Content System on ARC: Not Understanding Your Content Is What Makes It Simple

ArcSphere 2.0: ARC's Mobile Application Surface

The web as a system capability

The web as a system capability: glossary

Why the web is a Device in ARC, not just an application

ArcBlock CEO to Give a Keynote at Harness4GenUI, ASE 2026