Trufo

Open-source library to simplify interactions with the Trufo Provenance Service (TPS).

The Trufo Provenance Platform is under active development, with new provenance features and product workflows being added regularly. If you are building against the platform and have questions about the right integration path, please contact support@trufo.ai. We are happy to help.

Optional Provenance Engine

When using the standard C2PA Signing API, the raw digital media content is sent to the Trufo server for processing. In cases where data privacy is important or where the content file is large, a distributed API is available where most media processing is local (and signing is remote, on Trufo servers). To enable this functionality, please install the provenance extra:

pip install "trufo[provenance]"

Note: Currently, the provenance installation is only supported on Linux machines.

Workflow Examples (Quickstart)

There are a number of documents to get you started quickly with specific use cases:

Use case	Trufo Product	Quickstart
Auth Setup	—	docs/quickstart/0_auth.md
C2PA Signing Certificate CSRs	C2PA Signing Certificates	docs/quickstart/1_c2pa_cert.md
AI Labeling	C2PA & CAWG Signing API	docs/quickstart/2_ai_labeling.md
Organization Stamping & Assertions	C2PA & CAWG Signing API	docs/quickstart/3_cawg_publish.md
Distributed Signing	C2PA & CAWG Signing API	docs/quickstart/4_distributed_signing.md

Reference Documentation

The full reference documentation is spread across the following files:

Service	Document	Description
Auth	docs/api/api_auth.md	Headers, access tokens, sessions, regional TPS endpoints
TPS	docs/api/api_c2pa.md	C2PA signing endpoints and regional API selection
TCA	docs/api/tca_ca.md	Certificate Authority — enrollment, revocation, timestamping
TCA	docs/api/tca_ra.md	Registration Authority — instances, credentials, CSR JWTs
CLI	docs/cli.md	Credential management (dev tool; use the Python API in prod)

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trufo-0.5.2.tar.gz (26.5 kB view details)

Uploaded Jul 26, 2026 Source

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Upload date: Jul 26, 2026
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Tags: Source
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Uploaded via: twine/6.1.0 CPython/3.13.14

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Provenance

The following attestation bundles were made for trufo-0.5.2.tar.gz:

Publisher: publish.yml on trufo-ai/trufo-py

Attestations: Values shown here reflect the state when the release was signed and may no longer be current.

Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: trufo-0.5.2.tar.gz
- Subject digest: 341087f609d5ff28054b58d155cab53b2bf053b66d2f8dc1d2841b513b782240
- Sigstore transparency entry: 2255839475
- Sigstore integration time: Jul 26, 2026
Source repository:
- Permalink: trufo-ai/trufo-py@cf2350a4d1e60c173b2bc8915fd2b613a69e968b
- Branch / Tag: refs/tags/v0.5.2
- Owner: https://github.com/trufo-ai
- Access: public
Publication detail:
- Token Issuer: https://token.actions.githubusercontent.com
- Runner Environment: github-hosted
- Publication workflow: publish.yml@cf2350a4d1e60c173b2bc8915fd2b613a69e968b
- Trigger Event: release