---
title: Version Diffing & Provenance Auditor
emoji: 📊
colorFrom: green
colorTo: blue
sdk: gradio
sdk_version: 4.19.2
app_file: app.py
pinned: false
---

# Version Diffing & Provenance Auditor

A premium computational social science application designed to analyze text version differences, track document provenance, and measure lexical drift across legislative bills, treaties, oral history transcripts, or manuscript revisions.

### Features
- **Side-by-Side Visual Diffing**: Color-coded HTML grid highlighting insertions (green), modifications (yellow), and deletions (red).
- **Lexical Drift Analytics**: Computes sequence alignment ratios, Jaccard vocabulary similarity indices, and precise word mutations.
- **File Upload Support**: Drag-and-drop plain text files or paste text blocks directly.
- **Headless CPU Optimized**: Pure mathematical comparison algorithms that start in milliseconds.