fix: match Verae Timestamping.app registration PDF and receipt fields

Parse completedAt/certificate/result from Verae API; enrich merkle via POST /api/verify (blockIndex). Generate certificate with the same jsPDF layout as register.html export. Preserve original filename (e.g. .html).
2026-10-03 04:26:45 -04:00 · 2026-10-03 04:26:45 -04:00 · c6d998a16d
commit c6d998a16d
parent 38b902d5e7
3 changed files with 1110 additions and 198 deletions
--- a/platform/registration-pdf/build.mjs
+++ b/platform/registration-pdf/build.mjs
@ -0,0 +1,175 @@
+#!/usr/bin/env node
+/**
+ * Official Verae Timestamp Registration Document — same layout as
+ * mcp.verae.ai register.html / app.html jsPDF export.
+ *
+ * Wording overrides (print helper):
+ *  - no mcp.verae.ai URLs
+ *  - "only the digest was submitted" (no "via MCP")
+ *  - footer: Verae | verae.com | explorer.verae.ai
+ *
+ * Usage: node build.mjs <input.json> <output.pdf>
+ * input.json: { file, size_bytes, sha256, scope, receipt_id, created_at, merkle, lookup_url? }
+ */
+import { readFileSync, writeFileSync, existsSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { fileURLToPath } from "node:url";
+import { createRequire } from "node:module";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const require = createRequire(import.meta.url);
+
+async function loadJsPDF() {
+  try {
+    const { jsPDF } = await import("jspdf");
+    return jsPDF;
+  } catch {
+    // npx / global fallbacks not used — deps installed beside this script
+    throw new Error("jspdf not installed; run: npm install --prefix platform/registration-pdf");
+  }
+}
+
+async function loadQR() {
+  const QRCode = await import("qrcode");
+  return QRCode.default || QRCode;
+}
+
+function lookupURL(sha, receipt) {
+  let u = `https://explorer.verae.ai/?sha256=${encodeURIComponent(sha || "")}`;
+  if (receipt) u += `&receipt=${encodeURIComponent(receipt)}`;
+  return u;
+}
+
+function findLogo() {
+  const candidates = [
+    join(__dirname, "../../assets/VeraeFullLogo.png"),
+    join(__dirname, "VeraeFullLogo.png"),
+    "/Users/marchon/research/PrintToVeraeTimeStamp/assets/VeraeFullLogo.png",
+    "/Users/marchon/research/modelcontextprotocol/verae-mcp-timestamping-server/site/assets/VeraeFullLogo.png",
+  ];
+  for (const p of candidates) {
+    if (existsSync(p)) return p;
+  }
+  return null;
+}
+
+async function buildPdf(row) {
+  const jsPDF = await loadJsPDF();
+  const QRCode = await loadQR();
+  const doc = new jsPDF({ unit: "pt", format: "letter" });
+  const pageW = doc.internal.pageSize.getWidth();
+  const pageH = doc.internal.pageSize.getHeight();
+  const margin = 48;
+
+  const logoPath = findLogo();
+  let logoData = null;
+  if (logoPath) {
+    const b64 = readFileSync(logoPath).toString("base64");
+    logoData = "data:image/png;base64," + b64;
+  }
+
+  const lookup =
+    row.lookup_url && !String(row.lookup_url).includes("mcp.verae.ai")
+      ? row.lookup_url
+      : lookupURL(row.sha256, row.receipt_id);
+
+  doc.setDrawColor(42, 24, 56);
+  doc.setLineWidth(2);
+  doc.rect(28, 28, pageW - 56, pageH - 56);
+  doc.setLineWidth(0.6);
+  doc.setDrawColor(196, 168, 90);
+  doc.rect(34, 34, pageW - 68, pageH - 68);
+
+  if (logoData) {
+    try {
+      doc.addImage(logoData, "PNG", margin, 48, 120, 36);
+    } catch (_) {}
+  }
+
+  doc.setFont("times", "bold");
+  doc.setFontSize(18);
+  doc.setTextColor(42, 24, 56);
+  doc.text("Verae Timestamp Registration Document", pageW / 2, 110, { align: "center" });
+
+  doc.setFont("helvetica", "normal");
+  doc.setFontSize(10);
+  doc.setTextColor(90, 80, 100);
+  doc.text(
+    "Official certificate of digital content registration on the VeraeTime global ledger",
+    pageW / 2,
+    128,
+    { align: "center" },
+  );
+
+  doc.setDrawColor(196, 168, 90);
+  doc.setLineWidth(1);
+  doc.line(margin, 142, pageW - margin, 142);
+
+  const fields = [
+    ["Document name", row.file || row.document_name || "(digest only)"],
+    ["Content SHA-256", row.sha256 || ""],
+    ["Registration scope", String(row.scope || "global").toUpperCase()],
+    ["Original timestamp (UTC)", row.created_at || "—"],
+    ["Receipt ID (CID)", row.receipt_id || "—"],
+    ["Merkle / block hash", row.merkle || "See ledger lookup via receipt CID"],
+    ["Ledger location", "VeraeTime global ledger · api.veraetime.net"],
+    ["Blockchain explorer", "https://explorer.verae.ai/"],
+    ["Public lookup URL", lookup],
+  ];
+  if (row.size_bytes != null && row.size_bytes !== "") {
+    fields.splice(1, 0, ["Document size", `${row.size_bytes} bytes`]);
+  }
+
+  let y = 168;
+  doc.setFontSize(10);
+  for (const [label, value] of fields) {
+    doc.setFont("helvetica", "bold");
+    doc.setTextColor(42, 24, 56);
+    doc.text(label, margin, y);
+    doc.setFont("helvetica", "normal");
+    doc.setTextColor(40, 40, 50);
+    const lines = doc.splitTextToSize(String(value ?? ""), pageW - margin * 2 - 10);
+    doc.text(lines, margin, y + 14);
+    y += 14 + lines.length * 12 + 10;
+    if (y > pageH - 220) break;
+  }
+
+  const qr = await QRCode.toDataURL(lookup, {
+    errorCorrectionLevel: "M",
+    margin: 1,
+    width: 280,
+    color: { dark: "#2a1838", light: "#ffffff" },
+  });
+  const qrSize = 110;
+  const qrX = pageW - margin - qrSize;
+  const qrY = pageH - margin - qrSize - 36;
+  doc.addImage(qr, "PNG", qrX, qrY, qrSize, qrSize);
+  doc.setFontSize(8);
+  doc.setTextColor(90, 80, 100);
+  doc.text("Scan to look up this registration", qrX + qrSize / 2, qrY + qrSize + 14, {
+    align: "center",
+  });
+
+  doc.setFontSize(8);
+  doc.text(
+    "This document certifies that the SHA-256 digest above was registered with Verae. File bytes were not uploaded; only the digest was submitted.",
+    margin,
+    pageH - 52,
+    { maxWidth: pageW - margin * 2 - qrSize - 16 },
+  );
+  doc.setFont("helvetica", "bold");
+  doc.setTextColor(42, 24, 56);
+  doc.text("Verae · verae.com · explorer.verae.ai", margin, pageH - 36);
+
+  return Buffer.from(doc.output("arraybuffer"));
+}
+
+const [,, inPath, outPath] = process.argv;
+if (!inPath || !outPath) {
+  console.error("Usage: node build.mjs <input.json> <output.pdf>");
+  process.exit(2);
+}
+const row = JSON.parse(readFileSync(inPath, "utf8"));
+const pdf = await buildPdf(row);
+writeFileSync(outPath, pdf);
+console.log(outPath);
--- a/platform/registration-pdf/package-lock.json
+++ b/platform/registration-pdf/package-lock.json
@ -0,0 +1,536 @@
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+  "name": "registration-pdf",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "registration-pdf",
+      "version": "1.0.0",
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+}
--- a/platform/registration-pdf/package.json
+++ b/platform/registration-pdf/package.json
@ -0,0 +1,17 @@
+{
+  "name": "registration-pdf",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "module",
+  "dependencies": {
+    "jspdf": "^2.5.2",
+    "qrcode": "^1.5.4"
+  }
+}