Pine Property Services: Certificate of insurance whose expiry precedes its issue date
Certificate of insurance whose expiry precedes its issue date for Pine Property Services. A certificate issued 8 September 2026 that certifies a policy period ending 31 March 2026, which is 161 days earlier. The document is otherwise a well formed certificate with the same layout, the same limits and the same endorsement wording as the valid one, so only the date comparison catches it. Days of cover remaining reads -161.
Rendered preview of the pdf file (3.5 KB). Download above for the original.
Specifications
- Document Set
- insurance
- Industry
- trades-property
- Source Kit
- trades-property
- Entity
- Pine Property Services
- Synthetic
- true
- As Of
- 2026-09-08
- Certificate Id
- COI-2026-0007
- Issue Date
- 2026-09-08
- Policy End
- 2026-03-31
- Days Remaining
- -161
- Defect
- expiry precedes issue by 161 days
- Renderer
- reportlab
- Pages
- 1
Testing contract
Expected to fail- Scenario
- Compare date issued with the policy period end on every certificate you accept.
- Expected result
- Issued 2026-09-08, cover ended 2026-03-31, so the certificate is 161 days out of date on the day it was issued and the days-remaining field is negative at -161. Nothing else in the document is wrong, which is the point.
What is a .pdf file?
PDF (Portable Document Format) is a page-oriented format that fixes layout, fonts, and vector and raster graphics so a page renders identically anywhere. A `%PDF-` header is followed by numbered objects, a cross-reference table mapping each to a byte offset, and a trailer; edits append incremental updates rather than rewrite the file. Page content is a stream of drawing operators, so a PDF holds no words or paragraphs, only positioned glyph runs. Adobe released it in 1993 and gave it to ISO as ISO 32000-1 in 2008.
How to use this file
Use an example PDF to test text extraction, rendering, metadata parsing, AcroForm handling, and OCR pipelines: checking that extraction reconstructs reading order from glyph positions, that a scanned page yields no text, and that an incremental update leaves earlier revisions in the file.
How to use this file for testing
“Pine Property Services: Certificate of insurance whose expiry precedes its issue date” is a deterministic Novus Examples fixture for Data import, Error handling. Realistic faker-generated datasets with documented schemas for testing import and ETL flows.
Documented properties for this file: 1 pages. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.
Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such, expect parsers to fail loudly rather than silently accept them.
Document fixtures list their internal structure (pages, fields, tracked changes, embedded objects) in the spec table. Test extractors, converters, and OCR against that known structure, and compare searchable↔scanned or format-twin companions when present.
Code examples
import pdfplumber # pip install pdfplumber
with pdfplumber.open("certificate-of-insurance-COI-2026-0007-expiry-before-issue.pdf") as pdf:
print(len(pdf.pages), "pages")
print(pdf.pages[0].extract_text())Related files
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