{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T02:10:50Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T07:45:17+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:27+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: WordNet gloss",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-DURATION",
    "registryId": "vr.tr.duration",
    "name": "duration",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.TME"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/duration/",
  "model": {
    "registry_id": "vr.tr.duration",
    "name": "duration",
    "purpose": "Let an agent explain duration, relay measurement and related concepts such as residence time and attention span from general and scientific sources, describe the named terms, and distinguish duration from a point in time, frequency, tempo and latency.",
    "definition": "In the WordNet sense, the length of time during which something continues, a period measured between a start and an end, with related terms the registry aliases name such as span and continuance, longueur, a tedious passage, residence time, the average time a substance spends in a system, attention span, and clocking; duration is measured in time units and appears across physics, chemistry, psychology and everyday life, and it should be distinguished from a point in time and from frequency. Perceived duration can differ from clock duration, a topic in psychology.",
    "what_it_is_for": "The length of time something continues.",
    "affordances": [
      "explain the concept",
      "relay measurement",
      "describe named terms",
      "distinguish related concepts"
    ],
    "distinguishing_features": [
      "Interval length",
      "Start-to-end",
      "Cross-domain",
      "Perceived versus clock"
    ],
    "appearance": "Not a physical object; an interval of time.",
    "visual_identification": [
      "Length of time something continues",
      "Attention span, continuance, clocking, longueur, residence time, span",
      "A point in time is an instant; frequency is per unit time; tempo is musical pace; latency is delay before response"
    ],
    "physical_properties": [
      {
        "quantity": "measured in",
        "typical_range": "time units",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "residence time",
        "typical_range": "average time in a system",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "WordNet hypernym",
        "typical_range": "time period",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "physical durations",
      "residence time",
      "attention span",
      "perceived duration"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "time period",
        "why": "in WordNet terms"
      },
      {
        "relation": "is measured in",
        "target": "time unit",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "point (time)",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "frequency",
        "why": ""
      }
    ],
    "identifiers": [
      {
        "scheme": "WordNet",
        "value_or_pattern": "oewn-15137796-n",
        "note": "hypernym of duration"
      }
    ],
    "standards_and_regulation": [
      "ISO 8601 duration format"
    ],
    "failure_modes_and_hazards": [
      "Confusing duration and instant",
      "Confusing perceived and measured duration",
      "Unit errors"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Measure and report a duration with a start, an end and units.",
        "Distinguish measured duration from perceived duration."
      ],
      "must_not": [
        "Confuse a duration with a point in time.",
        "Report durations without units or with the wrong unit.",
        "Misrepresent how long a person worked, waited or was held to their disadvantage.",
        "Use attention span figures to make claims about a person without evidence."
      ],
      "requires_human": [
        "Using recorded durations to decide pay, sanctions or detention."
      ]
    },
    "ethics": {
      "considerations": [
        "Recorded durations decide wages, sentences and waiting lists.",
        "People's experience of time is subjective and should be respected."
      ],
      "affected_parties": [
        "Workers",
        "Patients on waiting lists",
        "Detained people"
      ]
    },
    "owners": {
      "steward": "Nobody owns the concept; whoever records a duration answers for its accuracy.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "oewn",
      "title": "Open English WordNet 2024, synset oewn-15158573-n",
      "url": "https://en-word.net/id/oewn-15158573-n",
      "what_it_supports": "sense and gloss of the concept",
      "url_status": "live",
      "checked_by": "http 200"
    },
    {
      "id": "wiktionary-en",
      "title": "Wiktionary: duration",
      "url": "https://en.wiktionary.org/wiki/duration",
      "what_it_supports": "word senses and usage",
      "url_status": "live",
      "checked_by": "http 200"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What duration is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is duration, and how does it differ from a point in time, frequency, tempo and latency?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about physics, psychology or everyday timekeeping?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "terms",
            "name": "Terms",
            "description": "Named terms.",
            "findings": [
              {
                "id": "terms-finding",
                "name": "Terms",
                "description": "Terms.",
                "questions": [
                  {
                    "text": "What are span, continuance, residence time, attention span and longueur?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific term?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "measurement",
        "name": "Measurement",
        "description": "Measurement.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "units",
            "name": "Units",
            "description": "Time units.",
            "findings": [
              {
                "id": "units-finding",
                "name": "Units",
                "description": "Units.",
                "questions": [
                  {
                    "text": "How is duration measured in time units?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which entry fits time unit?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "iso",
            "name": "ISO",
            "description": "ISO 8601 durations.",
            "findings": [
              {
                "id": "iso-finding",
                "name": "ISO",
                "description": "ISO.",
                "questions": [
                  {
                    "text": "How does ISO 8601 express durations?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "science",
        "name": "Science",
        "description": "Scientific uses.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "residence",
            "name": "Residence time",
            "description": "Residence time.",
            "findings": [
              {
                "id": "residence-finding",
                "name": "Residence time",
                "description": "Residence time.",
                "questions": [
                  {
                    "text": "What is residence time in chemistry and environmental science?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "perceived",
            "name": "Perceived",
            "description": "Perceived duration.",
            "findings": [
              {
                "id": "perceived-finding",
                "name": "Perceived",
                "description": "Perceived.",
                "questions": [
                  {
                    "text": "How can perceived duration differ from clock time, as psychology reports?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral and attributed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Everyday.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "attention",
            "name": "Attention span",
            "description": "Attention span.",
            "findings": [
              {
                "id": "attention-finding",
                "name": "Attention span",
                "description": "Attention span.",
                "questions": [
                  {
                    "text": "What does attention span mean, and how is it studied?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits attention span?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "longueur",
            "name": "Longueur",
            "description": "Longueur.",
            "findings": [
              {
                "id": "longueur-finding",
                "name": "Longueur",
                "description": "Longueur.",
                "questions": [
                  {
                    "text": "What is a longueur in the arts?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information accurate?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should residence time be a separate entry?",
    "How should perceived duration be linked to psychology?",
    "How should ISO 8601 durations be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}