{
  "artifact_id": "qft.artifact.many-body-quantum-matter.volume-scale-ownership-observable-map",
  "title": "From a microscopic system to a bounded quantum-matter claim",
  "scope": "Qualitative dependency and handoff map for Volume 12; no quantitative scale or probability is encoded.",
  "scale_status": "schematic and not to scale",
  "edge_types": {
    "required_scientific_step": "solid directed edge",
    "input_execution_or_dated_status_handoff": "dashed directed edge"
  },
  "groups": [
    {
      "id": "volume_12_system_to_observable",
      "label": "Volume XII: from system to physical observable",
      "members": ["microscopic_system", "matched_fields", "state_and_regime", "phases_and_modes", "observable_map"]
    },
    {
      "id": "evidence_ceiling",
      "label": "Evidence ceiling",
      "members": ["validated_evidence", "bounded_claim"]
    },
    {
      "id": "external_handoffs",
      "label": "Generic formalism, execution, and dated status",
      "members": ["generic_formalism", "reproducible_methods", "research"]
    }
  ],
  "nodes": [
    {
      "id": "microscopic_system",
      "label": "Microscopic system",
      "details": ["particles", "orbitals", "spins", "couplings", "constraints"]
    },
    {
      "id": "matched_fields",
      "label": "Matched fields",
      "details": ["retained modes", "operators", "coefficients", "cutoff"]
    },
    {
      "id": "state_and_regime",
      "label": "State and regime",
      "details": ["dimension", "density", "temperature", "geometry", "drive", "bath"]
    },
    {
      "id": "phases_and_modes",
      "label": "Phases and modes",
      "details": ["symmetry", "topology", "poles", "continua", "defects"]
    },
    {
      "id": "observable_map",
      "label": "Observable map",
      "details": ["operator", "causal response", "probe kernel", "sum rule"]
    },
    {
      "id": "validated_evidence",
      "label": "Validated evidence",
      "details": ["control", "uncertainty", "negative tests"]
    },
    {
      "id": "bounded_claim",
      "label": "Bounded claim",
      "details": ["identity", "controlled result", "evidence", "realization", "unresolved status"]
    },
    {
      "id": "generic_formalism",
      "label": "Generic formalism: Volumes I–XI",
      "details": ["quantization", "symmetry", "renormalization group", "methods", "response"]
    },
    {
      "id": "reproducible_methods",
      "label": "Reproducible methods",
      "details": ["specified inputs", "code", "numerical outputs"]
    },
    {
      "id": "research",
      "label": "Research",
      "details": ["dated evidence", "disputes", "supersession"]
    }
  ],
  "edges": [
    {"from": "microscopic_system", "to": "matched_fields", "type": "required_scientific_step"},
    {"from": "matched_fields", "to": "state_and_regime", "type": "required_scientific_step"},
    {"from": "state_and_regime", "to": "phases_and_modes", "type": "required_scientific_step"},
    {"from": "phases_and_modes", "to": "observable_map", "type": "required_scientific_step"},
    {"from": "observable_map", "to": "validated_evidence", "type": "required_scientific_step"},
    {"from": "validated_evidence", "to": "bounded_claim", "type": "required_scientific_step"},
    {"from": "generic_formalism", "to": "microscopic_system", "type": "input_execution_or_dated_status_handoff", "meaning": "quantization and Hamiltonian language"},
    {"from": "generic_formalism", "to": "matched_fields", "type": "input_execution_or_dated_status_handoff", "meaning": "symmetry, RG, EFT, and functional methods"},
    {"from": "generic_formalism", "to": "observable_map", "type": "input_execution_or_dated_status_handoff", "meaning": "equilibrium, kinetic, hydrodynamic, and open-system response theory"},
    {"from": "reproducible_methods", "to": "phases_and_modes", "type": "input_execution_or_dated_status_handoff", "meaning": "executable spectrum, state, and diagnostic calculations"},
    {"from": "reproducible_methods", "to": "observable_map", "type": "input_execution_or_dated_status_handoff", "meaning": "specified-input numerical observables and normalization checks"},
    {"from": "reproducible_methods", "to": "validated_evidence", "type": "input_execution_or_dated_status_handoff", "meaning": "reproducible outputs, tolerances, convergence, and failure cases"},
    {"from": "research", "to": "validated_evidence", "type": "input_execution_or_dated_status_handoff", "meaning": "dated measurements, benchmarks, disputes, corrections, and replications"},
    {"from": "research", "to": "bounded_claim", "type": "input_execution_or_dated_status_handoff", "meaning": "supersession-aware platform, material, and frontier status"}
  ],
  "claim_rule": "No edge, including a handoff edge, licenses a stronger claim by itself."
}