# Watermarking & Provenance: C2PA + SynthID + Model Fingerprinting

> Source: https://sukruyusufkaya.com/en/learn/fine-tuning-cookbook/ftc-watermarking-provenance
> Updated: 2026-05-14T14:43:03.974Z
> Category: Fine-Tuning Cookbook (Model-by-Model)
> Module: Part XVIII — Compliance, Governance & Red-Teaming
**TLDR:** Making AI-generated content detectable: SynthID (Google, statistical watermark in token distribution), C2PA (Content Authenticity Initiative — metadata-based), model fingerprinting (training-time backdoor as ownership proof). Mandatory for EU AI Act + emerging regulations.