{
  "schema_version": "1.0",
  "id": "evidence.legacy_baseline.2026_08_13",
  "version": "1.0.0",
  "evidence_type": "source_and_regression_baseline",
  "subject_refs": [
    "mechanism.planetary.simple_2k_h",
    "mechanism.planetary.simple_2k_h_cascade",
    "mechanism.planetary.ferguson_wolfrom"
  ],
  "artifacts": [
    {"path": "src/configurations/simple_2k_h/topology.template.json", "sha256": "a444fb2ea3ef16929f99a2f2a8cbd05442cedd91e7e3e67ec95cf344e3e282c3"},
    {"path": "src/configurations/simple_2k_h_cascade/topology.template.json", "sha256": "308f60804aa1da2be791ce3e90e3d93c9a5f1f5cacdd0379818e908cbefb9613"},
    {"path": "src/configurations/ferguson_wolfrom/topology.template.json", "sha256": "82a19e71d776628c79d9d16871d7e7a07f093ecaff84d1114d77f620d3ae074c"},
    {"path": "tests/test_topology_and_kinematics.py", "purpose": "topology, parameter, and graph-kinematics regression"},
    {"path": "tests/test_cad_integration.py", "purpose": "real CAD integration regression"},
    {"path": "tests/test_validation.py", "purpose": "relation and physical validation regression"},
    {"path": "tests/test_joint_module.py", "purpose": "joint-module and URDF regression"}
  ],
  "claims": [
    "The knowledge directory is detached from the existing src execution path.",
    "The initial knowledge entries describe existing project behavior and do not add a new executable topology.",
    "Legacy topology hashes must remain stable unless an intentional baseline update is reviewed."
  ],
  "maturity": "production"
}