provemark/content-credentials

PHP library for C2PA Content Credentials: build, sign, read and verify manifests, with machine-readable marking of AI-generated content (EU AI Act, Article 50).

v0.4.0 2026-07-28 09:04 UTC

Requires

• php: ^8.3
• php-http/discovery: ^1.20
• psr/http-client: ^1.0
• psr/http-factory: ^1.1
• psr/http-message: ^2.0

Requires (Dev)

• deptrac/deptrac: ^4.0
• guzzlehttp/guzzle: ^8.0
• illuminate/config: ^11.0
• illuminate/console: ^11.0
• illuminate/container: ^11.0
• illuminate/support: ^11.0
• laravel/pint: ^1.18
• nyholm/psr7: ^1.8
• pestphp/pest: ^3.0
• php-http/mock-client: ^1.6
• phpstan/phpstan: ^2.0
• vlucas/phpdotenv: ^5.6

Suggests

• guzzlehttp/guzzle: A PSR-18 client + PSR-17 factories for the signing client outside Laravel (any PSR-18/PSR-17 implementation works).
• illuminate/support: Required only to use the Laravel service provider and facade (provided by any Laravel app).

MIT

• Maurice van Loon

• laravel
• provenance
• eu-ai-act
• c2pa
• content-credentials
• content-authenticity
• ai-generated

Published on Packagist.org on 2026-07-28 09:04 UTC