08 Reproducibility Capsule

Reproducibility Capsule

Author: Ciprian Ștefan Pleșca
Status: Repeatable reference procedure for CIGP v0.1

The capsule gives an independent reviewer a compact route from source code to an observed verification result. It is a research procedure, not a production deployment guide.

flowchart LR
    A[Clone revision] --> B[Run workspace tests]
    B --> C[Verify valid fixture]
    C --> D[Verify tampered fixture]
    D --> E[Generate demo ledger]
    E --> F[Verify ledger and proofs]
    F --> G[Record result and environment]

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Expected result: the valid fixture returns VALID; the deliberate tamper fixture returns INVALID; a generated JSONL ledger passes hash-chain and proof verification. Descriptive statistics are intentionally not a fairness certificate.

cargo test --workspace
cargo run -p cigp -- verify test-vectors/demo-round.json
cargo run -p cigp -- verify test-vectors/tampered-round.json

The full Reproducibility Capsule records inputs, expected observations, failure interpretation, and research-record requirements.