Skip to content

Evidence set · 21 PDFs

Inspect the output

Download each PDF, inspect the PHP that renders its unsigned base, and verify its SHA-256. Published signed files add the release-signing chain.

Document output

Layout and rendering

6 samples show layout, type, barcodes, outlines, and charts produced by the engine.

  • Professional Invoice sample PDF cover
    Sample 01 / 06Core

    Commercial invoice

    Through writeHtml(), HTML and CSS tables produce the billed-to block, right-aligned numeric columns, and totals row.

    SHA-256 2df276fe06 … 8e6bbfef55

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 invoice.pdf

  • Analytics Report sample PDF cover
    Sample 02 / 06Core

    Analytics report

    Across two pages, an executive summary, KPI cards, a throughput table with totals, and a continued-page header exercise the report flow.

    SHA-256 56b13be7fb … 9176b2fd2e

    2 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 report.pdf

  • Configured Label Sheet sample PDF cover
    Sample 03 / 06Core + Pro

    Configured label sheet

    A three-page sheet of labelled cards grouped by application and edition; each card prints its configured sample payload.

    SHA-256 f7ff257f10 … f98949e2e9

    3 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 labels.pdf

  • Multi-Page Handbook with Bookmarks sample PDF cover
    Sample 04 / 06Core

    Multi-page handbook

    Four pages carry a hierarchical PDF outline for reader bookmarks, repeated headers and footers, and automatic page breaks.

    SHA-256 65ee1cedfa … 7c1a5a967a

    4 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 handbook.pdf

  • Typography & Text Layout sample PDF cover
    Sample 05 / 06Core

    Typography specimen

    Embedded Inter, Barlow, JetBrains Mono, and Noto Sans TC cover weights, styles, Unicode pangrams in Latin Extended, Greek, Cyrillic, and Traditional Chinese, plus a type scale, alignment, and kerning pairs.

    SHA-256 48cf2550b1 … 7ba8b3dff5

    2 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 typography.pdf

  • Analytics Charts sample PDF cover
    Sample 06 / 06Pro

    Analytics charts

    The pinned engine build draws document-integrated bar, line, and pie charts through its Pro chart renderers alongside KPI cards across two pages.

    SHA-256 c399e33f55 … 4612316b94

    2 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 charts.pdf

Standards evidence

Files for independent inspection

7 samples expose structures for accessibility, signatures, archival output, e-invoicing, encryption, colour management, and linearization.

  • Accessible Tagged Report sample PDF cover
    Sample 01 / 07Core

    Accessible tagged report (PDF/UA-2)

    A tagged PDF whose content demonstrates the accessibility story itself: a logical structure tree, real heading levels, alt text and artifact-marked furniture. ISO 14289-2.

    SHA-256 3bf9149f49 … 8076583ef1

    2 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 accessible-report.pdf

  • PAdES Digital Signature sample PDF cover
    Sample 02 / 07Core

    Digital signature (PAdES)

    The PHP source produces the deterministic unsigned agreement; the published PDF adds the release-signing chain with CMS SignedData, RFC 3161 timestamps, and PAdES B-LTA validation material.

    Inspect this service agreement in a reader that exposes a signature panel.

    PAdES digital signature (ETSI EN 319 142-1): sample for independent inspection.

    SHA-256 a03f07dfed … 088ad7aefe

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 signed-agreement.pdf

  • Factur-X e-Invoice sample PDF cover
    Sample 03 / 07Enterprise

    Factur-X e-invoice

    A PDF/A e-invoice carrying an embedded EN 16931 CrossIndustryInvoice XML payload (Factur-X / ZUGFeRD) — a hybrid a machine and a human can both read.

    SHA-256 1b693d0a51 … dacb219697

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 e-invoice.pdf

  • PDF/A-4 Archival Record sample PDF cover
    Sample 04 / 07Enterprise

    PDF/A-4 archival record

    Embedded font subsets, an sRGB output intent, and XMP identification target PDF/A-4.

    PDF/A-4 archival (ISO 19005-4): output for long-term preservation.

    SHA-256 a07b4fc7ba … 6dbc855f2e

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 archival.pdf

  • AES-256 Encryption & Permissions sample PDF cover
    Sample 05 / 07Core

    AES-256 encryption & permissions

    A document secured with AES-256 (ISO 32000-2, V5/R6/AESV3) and a permission policy. The demo uses an empty user password; copy and modify permissions are set and enforced by conforming readers.

    SHA-256 a9f424024e … 831eda8027

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 encrypted.pdf

  • Color-Managed Print Output sample PDF cover
    Sample 06 / 07Pro

    Colour-managed print output

    A Pro PDF/X-4 output configuration on PDF 1.6 carries a GTS_PDFX output intent and embedded Coated FOGRA39 CMYK ICC v2 profile for ISO 15930-7 preflight inspection.

    SHA-256 0f5ba1eb66 … a586041804

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 print-ready.pdf

  • Linearized for Fast Web View sample PDF cover
    Sample 07 / 07Core

    Linearized for Fast Web View

    The linearized file places first-page objects for incremental retrieval under the ISO 32000-2 Annex F organization.

    With byte-range delivery and reader support, the first page can display before the full file downloads.

    SHA-256 3307782b87 … 74859f7a95

    2 pages · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 web-optimized.pdf

Barcode symbology sheets

Configured symbols and boundary cases

8 compact evidence sheets exercise 1D, 2D, GS1, postal, payment, edge, and document-integration configurations.

  • Sheet 01 / 08Core

    Barcode 1D sample sheet

    Exercises ITF-14, standalone EAN-2 and EAN-5 add-ons, and EAN-13 paired with EAN-2 and EAN-5.

    SHA-256 4acb819339 … ee0196c51a

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 42-barcode-1d.pdf

  • Sheet 02 / 08Core + Pro

    Barcode 2D sample sheet

    Exercises Aztec, Aztec Rune, MaxiCode modes 2–6, MicroPDF417, Aztec ECI and GS1 modes, and DMRE Data Matrix.

    SHA-256 867206478f … ad129f14fb

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 43-barcode-2d.pdf

  • Sheet 03 / 08Pro

    GS1 barcode sample sheet

    Exercises seven GS1 DataBar variants, GS1 DataMatrix, GS1 QR, GS1-128, an AI-layer QR, and GS1 Composite CC-A, CC-B, and CC-C.

    SHA-256 c3010d33f5 … 96fc753e71

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 44-barcode-gs1.pdf

  • Sheet 04 / 08Pro

    Postal barcode sample sheet

    Exercises RM4SCC, Australia Post, Japan Post, Mailmark, Leitcode, and Identcode, plus the typed KIX refusal path.

    SHA-256 b0ea2a1805 … 7c247452f4

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 45-barcode-postal.pdf

  • Sheet 05 / 08Pro

    Medical and payment barcode sample sheet

    Exercises HIBC LIC, HIBC UDI in Data Matrix, Swiss QR-bill, and EPC QR configurations.

    SHA-256 efdb819d24 … 9df3199ac6

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 46-barcode-payment.pdf

  • Sheet 06 / 08Core

    Barcode edge sample sheet

    Exercises two-part Aztec structured append, low-contrast QR, and tiny-module QR configurations.

    SHA-256 f2d4d11bbb … 3a7d4cb600

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 47-barcode-edge.pdf

  • Sheet 07 / 08Core

    Barcode integration sample sheet

    Exercises tagged QR Figures with explicit and automatic alternative text, an HTTPS link annotation, Artifact-role rendering, and Digest-mode npbc metadata round-tripping.

    SHA-256 01eac95177 … df498a8022

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 48-barcode-integration.pdf

  • Sheet 08 / 08Pro

    GS1 Composite capacity boundaries

    Exercises the first-payload transitions from CC-A to CC-B and from CC-B to CC-C for GS1 Composite symbols.

    SHA-256 375e42acfc … b33ddb96ad

    1 page · nextpdf/core@d5311d799 · generated 2026-08-17

    SHA-256 shasum -a 256 49-barcode-gs1-composite-boundaries.pdf

Source Sample source

Unsigned base by

Sample source
Source loads when this dialog opens.