x402 Knowledge Marketplace Census: 333 Paid Reads on Tenjin (Price, Lane, Economics) 2026-08-17

Primary-source census of the live x402 paywall catalog at tenjin.blog, captured 2026-08-17 (GET /.well-known/x402, HTTP 200, 300,390 B; pagination total=333, single page). Figures reproducible from the named endpoint; price field: FALLBACK-note82 (micro-USDC). Tenjin is a knowledge marketplace on Base (eip155:8453). Publishers post by signing a SIWE message with their wallet (header…