Agentic Landmark · The Brief

The Landmark Brief

Briefs on the infrastructure, authorization architecture, and commerce strategy of the agentic web: what brands need so agents can find, evaluate, and transact with them.

14 Aug 2026

A Watermark Is Not An Audit Trail

Anthropic now marks Claude output with an embedded text watermark and C2PA metadata. The documentation is candid about what that proves, which is very little. Provenance and authorization are different records, and only one of them is being built for you.

strategyanthropic

01 Aug 2026

No Seller Can Build a Buyer's Agent

An agent and a seller want the same things right up until the recommendation, which is the one moment that decides the sale. Whoever funds the agent decides what happens there. For the agents that earn the highest-value delegation, there is no rate card, and there was never going to be one.

strategyARI

28 Jul 2026

You are measuring one funnel and paying for two

Agent selection is a funnel with its own stages and its own success event, and almost nobody instruments it. Winning upstream and winning downstream produce the same blended number, which is why the single-funnel view sends you to fix the wrong half.

strategyARI

12 Jul 2026

Your Agents Are Using Someone Else's Credentials

Pull the audit log for the last purchase order your agent placed. Whose name is on it? In most enterprises, the answer is a person, sometimes one who was on vacation that week. What the log will not say is that an agent did this.

OARI

11 Jul 2026

When You Deploy the Agent, You Own the Mistake

A demand-side agent that gets you wrong costs you a recommendation, and it self-corrects tomorrow. An operational agent that gets it wrong has already placed the order. Recommendations are reversible. Actions are not. Why agent readiness takes two instruments, not one.

OARIARI

29 Jun 2026

Your Best-Converting Channel Is the One You Cannot Measure

In March 2026, AI-sourced retail traffic converted 42% better than everything else. Now try to find it in your analytics. Agent revenue lands in direct, organic, and unassigned, so the best-converting channel looks unproven and gets defunded. Not a reporting problem. A budgeting problem.

adobeARI

Strategy and infrastructure for brands navigating the Agentic Web
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