{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-10-21T19:34:53Z",
    "providers": [
      "Claude"
    ],
    "breadth": "researched by Claude against the sources listed below",
    "pass": 2,
    "wave": 5,
    "engine": "claude",
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-21T19:40:20+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "4 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q3505845",
    "registryId": "vr.tr.state-q3505845",
    "name": "state",
    "version": "0.2.0-wave.5",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.STA"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q3505845/",
  "model": {
    "registry_id": "vr.tr.state-q3505845",
    "name": "state",
    "purpose": "Let an agent describe the state of anything by its variables, their values, the time of observation and the transitions between states.",
    "definition": "The condition of an object or system at a given time, described by the values of a set of variables that characterise it, such as a physical state, a machine's operating state or the state of a software object.",
    "what_it_is_for": "Describing and predicting how systems behave and change over time.",
    "affordances": [
      "list the variables that define a system's state",
      "record a state with its timestamp and source",
      "describe transitions between states",
      "explain related concepts such as state machines"
    ],
    "distinguishing_features": [
      "A state is a snapshot of variable values; a process is change over time.",
      "The same object can be described by different state variables in different models.",
      "Equilibrium means unchanged under given conditions; stability concerns behaviour under small perturbations."
    ],
    "appearance": null,
    "visual_identification": [
      "Shown as values of variables, status indicators or diagrams of states"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "physical state",
      "thermodynamic state",
      "quantum state",
      "state of a finite-state machine",
      "operating state of a device",
      "state of matter"
    ],
    "related_models": [
      {
        "relation": "is described by",
        "target": "state variable",
        "why": "variables that define it"
      },
      {
        "relation": "changes through",
        "target": "state transition",
        "why": "discrete events or continuous evolution"
      },
      {
        "relation": "is confused with",
        "target": "process",
        "why": "change over time"
      },
      {
        "relation": "is modelled by",
        "target": "state machine",
        "why": "formal model"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "OMG Unified Modeling Language (UML) state machine diagrams"
    ],
    "failure_modes_and_hazards": [
      "Stale state data used as if current",
      "Incompatible state definitions between systems"
    ],
    "agent_conduct": {
      "may": [
        "describe and record states with timestamps",
        "explain state models"
      ],
      "must_not": [
        "report a state without the time it was observed",
        "change the state of real systems without authority"
      ],
      "requires_human": [
        "changes to the state of safety-critical systems"
      ]
    },
    "ethics": {
      "considerations": [
        "accuracy of reported status"
      ],
      "affected_parties": [
        "users of monitored systems"
      ]
    },
    "owners": {
      "steward": "no universal owner; identify the custodian and rights for each state record",
      "master_systems": [
        "monitoring and control systems"
      ]
    },
    "facets_not_applicable": {
      "properties": "An abstract concept has no physical properties.",
      "hazards": "An abstract concept poses no hazards of its own."
    },
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [
    {
      "id": "SRC-001",
      "title": "Q3505845",
      "publisher": "Wikidata",
      "url": "https://www.wikidata.org/wiki/Q3505845",
      "what_it_supports": "identity of the registry item, labels and sitelinks",
      "url_status": "live"
    },
    {
      "id": "SRC-002",
      "title": "Unified Modeling Language, Version 2.5.1",
      "publisher": "Object Management Group",
      "url": "https://www.omg.org/spec/UML/2.5.1/PDF",
      "what_it_supports": "state machines",
      "url_status": "live"
    },
    {
      "id": "SRC-003",
      "title": "State",
      "publisher": "NIST Dictionary of Algorithms and Data Structures",
      "url": "https://xlinux.nist.gov/dads/HTML/state.html",
      "what_it_supports": "state in computing",
      "url_status": "live"
    },
    {
      "id": "SRC-004",
      "title": "Lectures on Dynamic Systems and Control",
      "publisher": "MIT OpenCourseWare",
      "url": "https://ocw.mit.edu/courses/6-241j-dynamic-systems-and-control-spring-2011/996025f6db0d90b00f11c44fc49b85f9_MIT6_241JS11_textbook.pdf",
      "what_it_supports": "state in dynamical systems",
      "url_status": "live"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "definition",
        "name": "Definition",
        "description": "What defines a state.",
        "rationale": "The variables must be explicit.",
        "layers": [
          {
            "id": "state-variables",
            "name": "State variables",
            "description": "Variables chosen.",
            "findings": [
              {
                "id": "variables",
                "name": "Variables",
                "description": "Variables, their domains and units, admissible combinations and the state space; which values stay invariant and for how long.",
                "questions": [
                  {
                    "text": "Which variables define the state here?",
                    "kind": "definition"
                  },
                  {
                    "text": "Are they sufficient to predict behaviour?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "domain",
            "name": "Domain",
            "description": "Physics, computing, devices.",
            "findings": [
              {
                "id": "domain",
                "name": "Domain",
                "description": "Field and model.",
                "questions": [
                  {
                    "text": "In which field and model is the state defined?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which theory gives the variables?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observation",
        "name": "Observation",
        "description": "Knowing the current state.",
        "rationale": "States are only as good as their data.",
        "layers": [
          {
            "id": "measurement",
            "name": "Measurement",
            "description": "How values are obtained.",
            "findings": [
              {
                "id": "observed-values",
                "name": "Observed values",
                "description": "Values, time and source.",
                "questions": [
                  {
                    "text": "What are the current values, and when were they observed?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which sensor or source reported them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "uncertainty",
            "name": "Uncertainty",
            "description": "Confidence in the state.",
            "findings": [
              {
                "id": "uncertainty",
                "name": "Uncertainty",
                "description": "Accuracy and staleness.",
                "questions": [
                  {
                    "text": "How certain and how recent is the state?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Could it have changed since?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "transitions",
        "name": "Transitions",
        "description": "How states change.",
        "rationale": "Change is the main question.",
        "layers": [
          {
            "id": "events",
            "name": "Events",
            "description": "Triggers of change.",
            "findings": [
              {
                "id": "transition",
                "name": "Transition",
                "description": "From, to and trigger.",
                "questions": [
                  {
                    "text": "Which event moves the system to another state?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which transitions are allowed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "stability",
            "name": "Stability",
            "description": "Stable and unstable states.",
            "findings": [
              {
                "id": "stability",
                "name": "Stability",
                "description": "Equilibrium and persistence.",
                "questions": [
                  {
                    "text": "Is the state stable?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What would disturb it?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "representation",
        "name": "Representation",
        "description": "Recording states.",
        "rationale": "Systems must agree on representation.",
        "layers": [
          {
            "id": "models",
            "name": "Models",
            "description": "State machines and diagrams.",
            "findings": [
              {
                "id": "state-model",
                "name": "State model",
                "description": "Formal model used.",
                "questions": [
                  {
                    "text": "Which formal model represents the states?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it complete?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "data-exchange",
            "name": "Data exchange",
            "description": "Sharing state between systems.",
            "findings": [
              {
                "id": "exchange-format",
                "name": "Exchange format",
                "description": "Format and semantics.",
                "questions": [
                  {
                    "text": "How is the state shared with other systems?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Do both sides define it the same way?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should states of matter and quantum states link here as kinds or be separate entries only?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
