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HTPBE?

Structural PDF tamper detection API. Catches edits your KYC stack misses.

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© 2024–2026 TMI Iurii Rogulia · VAT ID: FI29845875 · Made in Finland 🇫🇮

Status

Algorithm v2.23.1

Tool profile

JasperReports

JasperReports reads as a institutional generator — its modification rate sits at or below the corpus baseline, consistent with single-pass institutional output.

Back to all statistics
Forensic verdict

Legitimate origin

Based on 482 appearances across the HTPBE? corpus.

Modification rate
14%-34pp below baseline
Corpus baseline: 48%
Total appearances
482
2.3% of corpus
Modification rate
14%
-34pp below baseline
Role split
100%C/0%P
Creator vs Producer share of appearances

Corpus profile

How JasperReports shows up in HTPBE? corpus

JasperReports is an open-source server-side reporting engine widely used inside Java enterprise applications to render statements, invoices, and regulatory documents from templates.

Jasper-produced PDFs are template-rendered institutional output. Low signal on its own; what matters is whether the same document also carries traces of an unrelated downstream editor.

The signal
Jasper-produced PDFs are template-rendered institutional output.

Role in the workflow

How JasperReports shows up in metadata

Every PDF carries a Creator (the application that produced the original document) and a Producer (the engine that wrote the PDF). The same tool can appear in either slot, with very different modification profiles.

CAs Creator · 100%
As Producer · 0%P
CAs Creator
  • Usage
    482
  • Modification rate
    14%
  • Avg file size
    144 KB
PAs Producer
  • Usage
    0
  • Modification rate
    0%

How to read this

The Creator slot typically reflects where a document started life. The Producer slot reflects whatever wrote the bytes — and is the field that gets overwritten when a PDF is opened, edited, and saved by a downstream tool.

A higher modification rate as Producer than as Creator usually means the tool is acting as a re-saver on documents that originated elsewhere. A higher rate as Creator points to fragile workflows around the original authoring app.

Name fingerprints

Also goes by

Different version strings and spellings observed for JasperReports in the wild. All are merged into the same canonical profile.

JasperReports Library version 6.1.126.3%
JasperReports Library version 6.6.025.7%
JasperReports Library version 6.21.5-74d586df47b25dbd05bd0957999819196e59934a25.7%
JasperReports Library version 6.11.0-0c4056ccaa4d25a5a8c45672d2f764ea3498bebb10.2%
JasperReports Library version 6.0.02.3%
JasperReports Library version 5.6.02.1%
JasperReports Library version 6.4.11.5%
JasperReports (ReceiptReport)0.8%
JasperReports Library version 6.20.5-3efcf2e67f959db3888d79f73dde2dbd7acb4f8e0.6%
JasperReports Library version 6.17.0-6d93193241dd8cc42629e188b94f9e0bc5722efd0.6%
JasperReports Library version 6.14.0-2ab0d8625be255bf609c78e1181801213e51db8f0.6%
JasperReports Library version 6.4.30.6%
JasperReports Library version 6.10.0-dddd38218a3c404d01eecdb9d9a7636fe2d02d7a0.4%
JasperReports Library version 6.21.0-4f56c4f36cd19e17675219a9ac4692d5f0f13b060.4%
JasperReports with PDF/UA Support0.4%
JasperReports Library version 5.6.10.4%
JasperReports Library version 7.0.4-2b24e9a9b5452f9c039e7b7292c57646079d79750.2%
JasperReports (sorteio)0.2%
JasperReports Library version 6.21.2-8434a0bd7c3bbc37cbf916f2968d35e4b165821a0.2%
JasperReports Library version 6.16.0-48579d909b7943b64690c65c71e07e0b809819280.2%
JasperReports Library version 6.21.3-4a3078d20785ebe464f18037d738d12fc98c13cf0.2%
JasperReports Library version 2.0.120.2%

Why variants matter

The same tool publishes itself under 22 different metadata strings — version bumps, locale tags, build IDs. We canonicalize them so the corpus reflects one identity, not noise.

Most common
JasperReports Library version 6.1.1
26.3% of appearances
Variant spread
22 distinct strings
Long-tail share: 73.7%
Observed range
27 Apr 2024 → 18 May 2026

Distributions

What ships alongside JasperReports

The PDF versions JasperReports writes when acting as Producer, and the other tools that appear in the same documents.

Common Producers when JasperReports is the Creator

iText writes 61% of these files — that pairing is the Adobe-stack default for many institutional pipelines.

iText60.8%
OpenPDF28.2%
Microsoft Print to PDF0.2%

Related profiles

Tools you’ll see next to JasperReports

Other tools that frequently share metadata with JasperReports in the same documents. Each card links to its own forensic profile.

P61% co-occurrence
iText
Appearances1,717
Mod rate46%
P28% co-occurrence
OpenPDF
Appearances502
Mod rate6%
P0% co-occurrence
Microsoft Print to PDF
Appearances195
Mod rate21%

Long tail

Notable observations

Smaller cuts of the JasperReports corpus — useful context, but treat each row as a single data point rather than a strong signal.

Digitally signed
2

PDFs carrying at least one digital signature

Pages parsed
917
Oldest observed
27 Apr 2024 — about 2 years ago

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