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AI Act and C2PA: how transparency is changing for AI-generated content
The AI Act requires machine-readable marking for AI-generated content. Learn how C2PA, watermarks, labels and Content Credentials fit together.
Read the guideUnderstanding digital trust
Understand the content.
Verify its history.
Fake news, fact-checking, C2PA and blockchain notarization. Guides to checking sources and context, understanding digital evidence and publishing content with accessible provenance.
AI Act and AI transparency
European obligations, marking and provenance for synthetic content.
AI Act and C2PA: how transparency is changing for AI-generated content
The AI Act requires machine-readable marking for AI-generated content. Learn how C2PA, watermarks, labels and Content Credentials fit together.
Fake news and fact-checking
Check news and prevent misleading sharing.
How to prevent fake news: checks to run before sharing
A checklist for preventing fake news through source, date, image and corroboration checks, with corrections that do not turn uncertainty into certainty.
How to verify news sources: from the headline to the evidence
Assess news sources through lateral reading, original documents and independent evidence, with a practical example and an evidence record.
Images taken out of context: checking photos, dates and captions
Learn how to check an out-of-context photo through reverse search, chronology and caption comparison, and why a real photo can support a false story.
Deepfakes: how to recognize signals and verify audio and video
How to assess a possible deepfake using the source, full recording, audio and context while accounting for the limits of AI detectors.
Preventing corporate disinformation: sources, versions and corrections
A process for businesses and press offices covering official sources, editorial checks, file versions and corrections that make published material verifiable.
C2PA and provenance
Understand the standard and read credentials.
C2PA: what it is and how it makes content history verifiable
Learn how C2PA works through manifests, signatures and content provenance, with practical examples, blockchain differences and verification limits.
Content Credentials: what they are and how to read them
A practical guide to Content Credentials, including signatures, edits, ingredients and verification status, plus what missing credentials mean.
C2PA and watermarks: differences, limitations and when to combine them
Compare C2PA, visible and invisible watermarks, fingerprints and hashes: what they check, how they can work together and what a pilot should test.
C2PA and AI-generated images: declaring their origin and modifications
How to use C2PA with AI-generated or edited images through claims, captions, versions and checks, and why a valid signature does not prove a real scene.
Content verification
Distinguish clues from evidence.
How to verify the authenticity of an image online
A method for verifying an online image: find its source, read C2PA data, check the context and understand the limits of AI image detectors.
Photo EXIF metadata: what it is, how to read it and its limitations
How to read photo EXIF metadata such as dates, camera and GPS, and how it differs from IPTC and C2PA data when the original file is unavailable.
Content Credentials not found: causes and checks to run
C2PA credentials missing or unreadable? Diagnose errors, unsupported formats and file transformations from the CMS to the public download.
Integrity and blockchain
Digital fingerprints, versions and evidence over time.
Document hashes: what they are and how to verify a file with SHA-256
Learn what a document hash is and how to calculate SHA-256 on Windows, macOS and Linux, with version comparisons and signature differences.
Blockchain document notarization: what it proves and how it works
How blockchain document notarization works through hashes, records, verification and retention, including what the proof establishes and its limits.
How to check whether a PDF was modified: integrity, signatures and versions
How to check a PDF against an official copy using hashes, signatures and revisions before attributing a difference to manipulation.
Guides for teams
Bring verification into publishing workflows.
Integrating C2PA and verification badges into a CMS: workflow guide
Design a CMS workflow with C2PA, APIs and verification badges across assets, versions, signing, CDN delivery, corrections and release checks.
A verifiable digital press kit: organizing images, PDFs and corrections
Organize a press room around sources, versions and verifiable proof, with practical guidance for images, PDFs, asset records, downloads and corrections.