{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://timelordraps.github.io/verifier/schemas/vstd-self-derivation-mechanism-0.1.schema.json",
  "title": "Verifier Standard (VSTD) structural self-derivation mechanism",
  "description": "Exact alpha declarative rules interpreted by the reference assessor; conformance does not prove semantic self-return, truth, or completeness.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "mechanism_id", "relation_strength", "rules", "claim_boundary"],
  "properties": {
    "schema_version": {"const": "VSTD-SELF-DERIVATION-MECHANISM-0.1"},
    "mechanism_id": {"const": "vstd.reference.structural_self_derivation.0.1"},
    "relation_strength": {"const": "DERIVES"},
    "rules": {
      "const": [
        "ground_self_requires_declared_ground_and_retained_path_origin",
        "derivation_reflexivity_requires_grounded_necessary_mechanism_and_derived_evidence",
        "reflexion_identity_requires_exact_subject_and_terminal_edge",
        "deriver_cycle_closure_requires_continuous_retained_graph_and_no_residuals"
      ]
    },
    "claim_boundary": {"const": "This mechanism checks a retained structural self-derivation witness. It does not prove semantic self-return, truth, or completeness."}
  }
}