Reproducibility and MetaAuditShell

The reproducibility of audits is a central concern of the SnapOS philosophy. With MetaAuditShell and the ReproKey, results are guaranteed to be reproducible. This distinguishes SnapOS from many other frameworks that deliver metrics which are difficult to replicate.

MetaAuditShell

The MetaAuditShell is a toolset that enables you to reproduce entire audit pipelines. It orchestrates the execution of all W functions, ethics checks and storage operations (SAM) in a standardised environment. SnapCuts or complete audit trails are passed in and then processed through defined procedures.

Example call

POST /meta-audit/run
{
  "snapshots": ["snap-uuid-1", "snap-uuid-2"],
  "include_drift_logs": true,
  "audit_hash": "0x91ac…"
}

The response contains a report on all checks performed, including SnapScore comparison, drift deviations and ethics status. By specifying an audit_hash you can ensure that you are re-running the identical audit version.

ReproKey and hashing

Every audit, snapshot and dataset in SnapOS is assigned a cryptographic hash. Via the ReproKey you can request all associated artefacts (code, configuration, data). This fixes the entire environment and allows it to be replicated in containers or virtual machines.

Component	Hash	Description
Audit pipeline	0x91ac…	Fixes the version of the W functions and operators.
Dataset	0x7e34…	Hash of the input data set (e.g. texts, logs).
Model parameters	0x3f91…	Signature of the semantic models (µ(L), drift operator).

How‑to: perform reproduction

Download the ReproKey via the SnapOS portal or request it via compliance@snapos.org.
Start a container (Docker/Podman) with the SnapOS reference environment.
Import the audit artefacts (code, data, SnapCuts) based on the hash values.
Run the MetaAuditShell command or the API to reproduce the audit.
Compare the results with the original SnapScores and drift logs.

Distinctive features

Many frameworks offer no true traceability: versions change in the background, data sources are unclear and results are therefore difficult to verify. SnapOS solves this problem with strict hash signatures and a MetaAuditShell that fixes all dependencies. This creates an audit ecosystem that meets scientific standards and enables trust in semantic evaluations.

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