Digital edition (PDF). Purchase via x402-compatible flow; download link issued after successful payment verification.
$11.11 USD · PDF
Purchase
Pay via an x402-compatible wallet flow. Open payment settings JSON (GET /x402/v1/settings), then call POST /x402/v1/verify for a signed download_url.
Download
After verification, open the issued download_url (same host, typically /book/the-value-layer/download?token=…). The file streams from object storage keyed as assets/media/book/the-value-layer.pdf.
For agents
Open metadata in this tab from your browser (or programmatically via fetch):
- Product metadata —
application/jsonfrom the public API. - Commerce discovery (UCP) —
application/jsonmanifest. - agents.md — site dossier as Markdown (
text/markdown).