04 Phase 1 Results.md

Phase 1 Results

Author: Ciprian Ștefan Pleșca

Implemented Result

The repository contains a tested vertical slice from deterministic event construction to independent verification and tamper detection.

flowchart LR
    A[Generate demo-round.json] --> B[Verify valid proof]
    B --> C[RESULT: VALID]
    A --> D[Modify payout in fixture]
    D --> E[Verify tampered proof]
    E --> F[Round hash: FAIL]
    F --> G[RESULT: INVALID]

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Evidence in the Repository

Artifact	Role
crates/cigp-core	Typed proof and exact monetary values
crates/cigp-crypto	Reference primitives and Merkle implementation
crates/cigp-proof	Proof construction and verification report
crates/cigp-ledger	Hash-chain verification and Merkle batching
cli/cigp	Reproducible command-line workflow
simulator/slot	Virtual-credit reference event source
test-vectors	Valid and negative fixtures

Test Scope

The current suite covers canonicalization, money representation, hashing, commit-reveal derivation, signatures, Merkle proofs, ledger links, proof verification, the demo slot, Python anomaly helpers, and TypeScript reference helpers.

Phase 1 does not treat test success as a substitute for independent security review. It establishes a reproducible baseline for such review.