Ingest
PDFs, Word files, spreadsheets, text and scans
TECHNOLOGY + SECURITY
Verifiable document intelligence, without model lock-in.
Signal87 preserves document structure, reasons across selected sources, and returns citations that keep the evidence close to every answer.Structure
Layout, tables, metadata and document relationships
Reason
Quick answers or deeper multi-step research
Verify
Citations, source pages and reusable artifacts
Private workspaces
Access controls separate users, projects and documents. Uploaded workspace data is not used to train foundation models.
Evidence-aware output
Answers retain document names, page references and supporting excerpts so people can review consequential claims.
Flexible reasoning
A modular architecture supports document analysis, web research, code-backed calculations and structured outputs.
User control
Files and saved work remain organized in the workspace and can be deleted by the user at any time.