README

Official PHP reference verifier toolkit for evaluating CERTCRYPT artifacts under public rules without relying on live issuer systems.

CERTCRYPT is infrastructure that makes certification independently verifiable under public rules. Selected artifacts can reach Independent through Proof of Independence, a structural result, so later verification no longer depends on the issuer's live systems.

The verifier toolkit is intended to support independent evaluation of CERTCRYPT artifacts under public rules, without requiring access to the issuer's live systems.

Note

Pre-launch.

CERTCRYPT is currently in controlled pre-launch.

This repository is being prepared as the public home for reference verifier tooling. Public verifier code, conformance material, fixtures, and implementation notes will be released progressively as the public specifications stabilize.

The current repository content is intentionally minimal. It establishes the public scope, licensing, security process, and terminology boundary for the verifier before implementation artifacts are released.

Purpose

The toolkit will help verifiers evaluate whether an artifact has reached the conditions associated with Independent.

Independent means that later verification no longer depends on the issuer's live systems, internal databases, vendor continuity, or institutional cooperation.

The verifier role is evaluation under public rules. It is not endorsement, semantic validation, or institutional trust.

CERTCRYPT boundary

not a claim of factual truth
not a validator of correctness
not a custodian of documents
not blockchain notarization
not a trust badge

Boundary of this verifier toolkit

not a determiner of semantic truth, legal validity, or factual correctness
not a substitute for the public rules under which an artifact is evaluated
not an endorsement of the issuer or of the underlying material
not a live dependency that later verification must rely on

It evaluates verification state under public rules.

Expected Properties

Public verifier tooling is being designed around:

deterministic verification behavior
independent evaluation under public rules
fail-closed handling of invalid or incomplete inputs
no dependency on issuer live systems for later verification
clear separation between Issued and Independent
no semantic inflation of verification results

Public Specifications

Public specifications and technical documentation will be published at:

https://docs.certcrypt.com

The public website is available at:

https://certcrypt.com

License

Licensed under the Apache License, Version 2.0. See LICENSE for the full text.

Contact

Website: https://certcrypt.com
Docs: https://docs.certcrypt.com
Blog: https://blog.certcrypt.com
Open source: opensource@certcrypt.com

certcrypt / verifier-toolkit-php

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