{
    "aiep_version": "2.0.0",
    "type": "evidence_rail_example",
    "description": "An AIEP evidence rail is an ordered array of evidence artefacts bound to an AI response. The rail enables full traceability from output claim to source hash.",
    "evidence_rail": [
        {
            "artefact_id": "ev_001",
            "source_url": "https://aiep.dev/schema/evidence.json",
            "confidence_tier": "verified",
            "content_hash": "f3a2c4e0b6a7d991d3e2f5a9c8b7e6f1d0c9b8a7e6f5d4c3b2a1908172635445",
            "hash_algorithm": "sha256",
            "retrieved_at": "2026-04-25T00:00:00Z",
            "validation_status": "passed"
        },
        {
            "artefact_id": "ev_002",
            "source_url": "https://aiep.dev/schema/response.json",
            "confidence_tier": "verified",
            "content_hash": "a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2",
            "hash_algorithm": "sha256",
            "retrieved_at": "2026-04-25T00:00:00Z",
            "validation_status": "passed"
        },
        {
            "artefact_id": "ev_003",
            "source_url": "https://aiep.dev/.well-known/aiep/index.json",
            "confidence_tier": "verified",
            "content_hash": "9f8e7d6c5b4a3928171615141312111009080706050403020100ffeeddccbbaa99",
            "hash_algorithm": "sha256",
            "retrieved_at": "2026-04-25T00:00:00Z",
            "validation_status": "passed"
        }
    ],
    "rail_validation": {
        "artefact_count": 3,
        "all_hashes_present": true,
        "all_sources_reachable": true,
        "status": "passed"
    },
    "generated_at": "2026-04-29T00:00:00Z",
    "protocol_url": "https://aiep.dev",
    "playground": "https://aiep.dev/playground",
    "machine_endpoint": "https://aiep.dev/.well-known/aiep/",
    "implementation": {
        "validator": "https://github.com/phatfella/AIEP-VALIDATOR",
        "mirror": "https://github.com/phatfella/AIEP-MIRROR",
        "genome_sdk": "https://github.com/phatfella/AIEP-GENOME-SDK",
        "vectors": "https://github.com/phatfella/AIEP-VECTORS"
    }
}