Evidence · first-party tested

Reconstructs multi-column section hierarchy so headings stay tied to their local content in the extracted layout.

✓ Worked🧾 artifact-verifiedTested Jun 20, 2026Extend AI →
Output — unretouched
Scanned two-column page with forestry text.
Scanned two-column page with forestry text.
Output — unretouched
Parsed text hierarchy from the scanned 'STUDY AREA' section.
Parsed text hierarchy from the scanned 'STUDY AREA' section.
Output — unretouched
Extend AI — extendai_scannedpdf_output.md
Extend AI — extendai_scannedpdf_output.md
The observation

Reconstructs multi-column section hierarchy so headings stay tied to their local content in the extracted layout.

Criterion: Reading Order & Structure · Scenario: Scanned Research Paper (group: scanned-research-paper)
Query this
get_evidence({
  tool: "extend-ai",
  scenario: "scanned-research-paper"
})
MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, other tools
Adobe PDF Extract API ✗ FailedLanding AI ✓ WorkedLlamaparse ✓ WorkedMistral AI ✗ FailedNutrient.io ✗ FailedTensorlake ✓ WorkedUpstage AI ✗ Failed
Real outputs, no retouching · every cell queryable via API & MCP · aidemos.com