# Trufo

> Trufo is a content authenticity and digital provenance platform providing C2PA certificates, Content Credentials, watermarking, fingerprinting, and cryptographic signing for digital media and AI-generated content.

Keywords: Content Credentials, content authenticity, content provenance, C2PA, CAWG, C2PA manifest, C2PA trust list, digital provenance, certificate authority, watermarking, fingerprinting, AI content labeling, AI-generated content detection, synthetic media labeling, tamper-evident media, deepfake detection, digital nutrition label, creator attribution, digital trust, media authentication, cryptographic signing

## Products

- [C2PA Certificate Authority — Content Credentials | Trufo](https://trufo.ai/products/certificates): C2PA signing and CAWG identity certificates from Trufo, a recognized CA on the C2PA and IPTC Trust Lists. Chosen by industry leaders including OpenAI and IPTC.
- [TCA Repository — Certificate Policies & Documents | Trufo](https://trufo.ai/tca/repository): Access the Trufo Certificate Authority repository: Certificate Policy, CPS, C2PA policies, and validation forms for Content Credentials issuance.
- [Managed C2PA Signing API & Service — Content Credentials | Trufo](https://trufo.ai/products/provenance): Managed C2PA signing API — certificates, timestamps, OCSP, and watermarks in one call. Your media never leaves your infrastructure.
- [AI Content Labeling — C2PA & Watermarking for AIGC | Trufo](https://trufo.ai/products/ai-labeling): Trufo's AI labeling product: sign every AI-generated image, audio, and video with a C2PA Content Credential and a durable invisible watermark. Built to meet the EU AI Act, China's CAC Labeling Measures, and other AIGC disclosure rules.
- [Invisible Watermarking API — Image, Audio, Video | Trufo](https://trufo.ai/products/watermarks): Robust invisible watermarks for image, audio, video. First in 2026 benchmarks vs AudioSeal, WavMark & more. C2PA soft-binding. API & SDK from $0.003/asset.
- [Pricing — C2PA Certificates & Content Credentials | Trufo](https://trufo.ai/pricing): Pricing for Trufo C2PA certificates, CAWG identity certificates, and Content Credentials APIs. Certificates start at $300 per year.

## Resources

- [Content Credentials & C2PA Resources | Trufo](https://trufo.ai/resources): Learn about Content Credentials, C2PA, CAWG, watermarking, and digital trust through the Trufo resources hub.
- [What Are Content Credentials? — Provenance 101 | Trufo](https://trufo.ai/resources/101-provenance): An intro to Content Credentials and content provenance: what they are, why they matter in the age of AI, and how C2PA enables verifiable trust.
- [C2PA and CAWG Standards Overview | Trufo](https://trufo.ai/resources/102-standards): An overview of the C2PA and CAWG standards, the C2PA manifest, assertions, trust lists, and the stakeholders shaping the Content Credentials ecosystem.
- [Content Credentials Use Cases Across Industries | Trufo](https://trufo.ai/resources/103-adoption): How Content Credentials and content provenance power workflows across news media, creative agencies, government, enterprise, and AI platforms.
- [Content Provenance Projects & Partnerships | Trufo](https://trufo.ai/resources/106-implementation): A showcase of Trufo's Content Credentials and content provenance partnerships with National Geographic, Sony, and other industry leaders.
- [Watermarking & Fingerprinting for C2PA | Trufo](https://trufo.ai/resources/104-watermarks): Trufo's state-of-the-art watermarking and fingerprinting technology that strengthens C2PA Content Credentials via soft bindings and hard bindings.
- [PawPrint Watermarking Benchmarks | Trufo](https://trufo.ai/models/pawprint): Benchmarks for Trufo's PawPrint watermarking models: imperceptible, durable audio watermarking built for content provenance and AI labeling.
- [Cryptographic Key Management for Digital Trust | Trufo](https://trufo.ai/resources/105-cryptography): How cryptographic keys, certificates, and C2PA trust lists secure digital trust for Content Credentials, with PKI and HSM explained.
- [EU AI Act Compliance for AI-Generated Content | Trufo](https://trufo.ai/resources/eu-ai-act): Meet EU AI Act Article 50 by labeling AI-generated content with C2PA Content Credentials and watermarks. Deadline 2 August 2026. Fines up to €15M.
- [How to Build a Conformant C2PA Generator Product | Trufo](https://trufo.ai/resources/c2pa-generator-products): A practical guide to building a conformant C2PA Generator Product: the C2PA Conformance Program, signing certificates, timestamps and OCSP, and soft bindings.
- [Articles | Trufo](https://trufo.ai/articles): Articles from Trufo: news, product updates, guides, and research on C2PA, Content Credentials, and content provenance.
- [Developer Documentation — C2PA SDK & API Reference | Trufo](https://trufo.ai/documentation): Developer documentation for Trufo: the open-source trufo Python SDK, Content Credentials API reference, and quickstart guides for content provenance workflows.
- [Trufo Joins the NIST AI Consortium | Trufo](https://trufo.ai/articles/announcing-aisic): Trufo joins an inaugural cohort of 200 organizations to work on developing and deploying AI Standards.
- [Trufo Joins the C2PA | Trufo](https://trufo.ai/articles/announcing-c2pa): Trufo brings cryptography and watermarking expertise to the Coalition for Content Provenance and Authenticity (C2PA).
- [Trufo Joins the IPTC | Trufo](https://trufo.ai/articles/announcing-iptc): Bringing content provenance services to the news media industry.
- [Trufo Attains C2PA Conformance | Trufo](https://trufo.ai/articles/announcing-c2pa-conformance): The Trufo Provenance Service is the first fully-managed C2PA signing service for companies seeking a turnkey content provenance solution.
- [Trufo Joins the C2PA Trust List | Trufo](https://trufo.ai/articles/announcing-c2pa-ca): Trufo is now a recognized Certificate Authority on the C2PA Trust List.
- [Winner of the JPEG Trust Watermarking Grand Challenge | Trufo](https://trufo.ai/articles/jpeg-trust-grand-challenge): Trufo was named one of the three winning teams in the JPEG Trust Grand Challenge for image watermarking.
- [Introducing the Trufo Python SDK | Trufo](https://trufo.ai/articles/trufo-py-released): Making deployment easy for developers.
- [Local Processing & Remote Signing | Trufo](https://trufo.ai/articles/local-processing-remote-signing): Build C2PA manifests locally with Trufo's full-managed C2PA signing service.
- [Dedicated EU Servers | Trufo](https://trufo.ai/articles/eu-region-ga): Trufo now operates dedicated EU servers to enhance API latency and data privacy for European users.
- [C2PA Soft-Binding with PawPrint Watermarks | Trufo](https://trufo.ai/articles/c2pa-soft-binding-pawprint): Add durable watermarks to your content with Trufo's soft-binding API to recover C2PA manifests when metadata is lost.
- [Image Watermarking for Content Provenance | Trufo](https://trufo.ai/articles/image-watermarking-provenance): How to evaluate practical watermark performance, and how Trufo is pushing the pareto frontier.
- [Just How Good are Invisible Watermarks Now? | Trufo](https://trufo.ai/articles/invisible-watermarks-now): Over the past two years, watermarking technology has improved by leaps and bounds. Trufo's new watermark is pushing that bar even higher.
- [Introducing Differential Analysis | Trufo](https://trufo.ai/articles/differential-analysis): A new type of hash that localizes and classifies content modifications.
- [Perceptual Hashes for Content Provenance | Trufo](https://trufo.ai/articles/perceptual-hashes): Using neural networks to construct a new class of powerful perceptual hashes.
- [Provenance 101: Introduction | Trufo](https://trufo.ai/articles/provenance-101): A brief introduction to provenance: what C2PA Content Credentials are and why they work.
- [Provenance 102: C2PA | Trufo](https://trufo.ai/articles/c2pa-standard-102): The C2PA provenance standard: adding trust into metadata.
- [Provenance 103: Adoption | Trufo](https://trufo.ai/articles/provenance-adoption-103): A timeline of provenance adoption, and where you might fit in.
- [Provenance 104: Watermarks | Trufo](https://trufo.ai/articles/watermarks-fingerprints-104): Watermarking and fingerprinting: making provenance durable.
- [Provenance 105: Cryptography | Trufo](https://trufo.ai/articles/cryptography-105): The role of cryptography: secure keys and trust models.
- [Provenance 106: Implementation | Trufo](https://trufo.ai/articles/implementation-106): Projects in implementation, and how to get started.
- [A Guide to the EU AI Act | Trufo](https://trufo.ai/articles/eu-ai-act-guide): What providers and deployers need to know about Article 50 labeling requirements, the Code of Practice, and the compliance deadlines.
- [How to Build a Conformant C2PA Generator Product | Trufo](https://trufo.ai/articles/c2pa-generator-products-guide): A guide to conformance, certificates, and all the pieces you need to get your Generator Product running in production.
- [C2PA Timestamping & OCSP Stapling | Trufo](https://trufo.ai/articles/timestamping-ocsp-c2pa): How to add long-term validation to your signed content with C2PA.
- [Towards a Robust Content Authenticity Infrastructure | Trufo](https://trufo.ai/articles/talk-aisic-2024): Trufo's presentation to Task Force 2.1 of the NIST AI Safety Institute Consortium.
- [Trufo at NeurIPS: Watermarking for Provenance | Trufo](https://trufo.ai/articles/talk-neurips-2024): Slides from Trufo's NeurIPS 2024 presentation on watermarking for provenance.
- [Harnessing AI for Watermarks & Fingerprints | Trufo](https://trufo.ai/articles/talk-ai-watermarks-fingerprints): Lightning talk at CEPIC 2025.
- [Media Provenance: Why and How to Adopt it at an Enterprise Level | Trufo](https://trufo.ai/articles/talk-enterprise-provenance): Presentation at the IPTC Spring Meeting 2025.

## Company

- [Trufo | C2PA Content Credentials & Provenance Platform](https://trufo.ai): Embed Content Credentials into your digital media with C2PA certificates, watermarking, and cryptographic signing from Trufo.
- [pawprint.image — Image Watermarking Benchmark | Trufo](https://trufo.ai/models/pawprint/image): Trufo's 2026 image watermarking benchmark: pawprint.image leads at 94/100 as the fastest and most robust invisible image watermark tested, ahead of pixelseal.
- [pawprint.audio — Audio Watermarking Benchmark | Trufo](https://trufo.ai/models/pawprint/audio): Trufo's 2026 audio watermarking benchmark: pawprint.audio leads at 96/100 with a 0.000 measured false-positive rate, ahead of audioseal, wavmark, and silentcipher.
- [Contact Trufo — Content Credentials Experts](https://trufo.ai/contact): Get in touch with Trufo's Content Credentials and content authenticity experts for enterprise solutions and partnerships.
- [Schedule a Consultation — C2PA Implementation | Trufo](https://trufo.ai/consultation): Book an introductory call with Trufo's Content Credentials and content provenance experts to fast-track your C2PA implementation.
- [Partner Referral Program | Trufo](https://trufo.ai/referral): Introduce a prospective client to Trufo's content provenance services and earn 5% of their first-year fees through the Partner Referral Program.
- [Get Started with Content Credentials & C2PA | Trufo](https://trufo.ai/get-started): Start implementing Content Credentials and content provenance today with Trufo. Self-serve on the dashboard or schedule a consultation.

## Legal

- [Privacy Policy | Trufo](https://trufo.ai/legal/privacy-policy): Trufo privacy policy describing how user data is collected, used, and protected.
- [Terms of Service | Trufo](https://trufo.ai/legal/terms-of-service): Terms of service for using Trufo content authenticity and provenance products.
- [Subprocessors | Trufo](https://trufo.ai/legal/subprocessors): List of Trufo subprocessors and data-handling vendors.