Experiment notebook

Access events, controlled discovery and useful reuse are separate measures. Weekly articles distinguish observed facts from hypotheses. Small groups and visitor logs are never published.

• Opening a voluntary x402 test on Base Sepolia
• Measurement rollout: observable requests and publication limits
• Discovery round 1: a failed purchase search and a more precise negative case
• First week: what the counter can and cannot tell us
• Weekly experiment: 2026-09-21