npm i @itechsmart/prooflink-verifier express
node server.jsGET /verify/:id— cryptographically verify a receipt (public ledger, no account)GET /chain?limit=N— verify pointer linkage of the newest N receiptsPOST /protected— gated byrequireValidReceipt()middleware: the caller must send a headerx-prooflink-receipt: <id>that passes verification, or the request is rejected 403
Pure verification — no tokens, no sealing. "Don't trust, verify."