读取来源、签名、修改历史和内容凭证。本页把适用场景、不能证明的事情、数据路径和证据标签放在工具数量之前。
溯源工具验证内容凭证、签名和修改历史。当内容没有凭证时，它们通常不能凭空恢复来源；凭证有效也不代表内容中的陈述一定真实。
这些项目由分类规则自动发现。Stars、许可证、描述和活跃时间来自 GitHub；未完成本站核验，不等同于推荐。
Strip EXIF, GPS, C2PA / Content Credentials, AI watermarks, and Stable Diffusion / ComfyUI / Midjourney / ChatGPT prompt blocks from any image. Three modes: safe (pixel-identical), paranoid (re-encode), nuclear (disrupt SynthID/Digimarc). CLI + macOS desktop app. 100% offline.
Content Authenticity Security Tool
Sign images and videos with C2PA provenance declaring AI-generated media.
Example of using CAI Python library
The world's first c2pa standard implementation that supports PDF-files signing.
Prototyping cryptographic privacy solutions for C2PA signers
This repository contains C2PA validation logic for HLS.js
Stdlib-first removal of AI provenance marks from text and files (Layer A text scrub, C2PA/EXIF/XMP file cleaners; MIT)
A Reference Implementation for C2PA Text Embedding