{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T07:16:34Z",
    "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": 3,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:08:19+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-08T19:09:52+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q30013662",
    "registryId": "vr.tr.last-q30013662",
    "name": "last",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.QTY"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q30013662/",
  "model": {
    "registry_id": "vr.tr.last-q30013662",
    "name": "last",
    "purpose": "Let an agent explain the concept of the last element or member, relay its uses in computing, mathematics, linguistics and records, and distinguish this sense from the shoemaker last and other homonyms.",
    "definition": "The final member or element of a sequence, group or series, such as the last element of a list, the last iteration of a loop, the final sound of a word in phonology, or the last recorded instance of an event or species; the concept of lastness depends on an ordering and is used in mathematics, computing, linguistics and record-keeping, and the word also names a shoemaker form and a unit of weight, which are separate senses.",
    "what_it_is_for": "Not applicable; a positional concept.",
    "affordances": [
      "explain the concept",
      "relay uses across fields",
      "distinguish homonyms",
      "route to specific senses"
    ],
    "distinguishing_features": [
      "Depends on ordering",
      "Cross-field use",
      "Boundary case in algorithms",
      "Homonyms"
    ],
    "appearance": "Not a visible object; the final item in an order.",
    "visual_identification": [
      "Final member of an ordered set",
      "Last element, last iteration, word-final position, last recorded instance",
      "A shoemaker last is a foot-shaped form; last as a weight unit is historical"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "last element of a sequence or list",
      "last iteration of a loop or process",
      "word-final position in phonology",
      "last recorded instance of an event, individual or species",
      "last in rankings and competitions"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "element",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "record",
        "why": "in registry terms, as a last instance"
      },
      {
        "relation": "is a kind of",
        "target": "member of a group",
        "why": "in registry terms"
      },
      {
        "relation": "is contrasted with",
        "target": "first",
        "why": "the initial member"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation; conventions in each field"
    ],
    "failure_modes_and_hazards": [
      "Off-by-one errors in computing",
      "Ambiguity without a defined ordering",
      "Confusing homonyms"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Identify the last element of an ordered sequence and state the ordering used.",
        "Handle empty sequences explicitly when asked for the last item."
      ],
      "must_not": [
        "Declare a species, language or person the last of its kind without evidence.",
        "Treat the last item as the most recent when the order is not by time.",
        "Return a wrong last element due to off-by-one errors without testing."
      ],
      "requires_human": [
        "Declaring something extinct or the last of its kind in public records."
      ]
    },
    "ethics": {
      "considerations": [
        "Declaring the last of a species or a people carries weight for conservation and identity.",
        "Off-by-one errors in records can drop the final person or entry."
      ],
      "affected_parties": [
        "Endangered species and communities",
        "Users of data"
      ]
    },
    "owners": {
      "steward": "Nobody owns the concept; the owner of a record answers for its order.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q30013662: last",
      "url": "https://www.wikidata.org/wiki/Q30013662",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-ja",
      "title": "Wikipedia (ja): 最後",
      "url": "https://ja.wikipedia.org/wiki/%E6%9C%80%E5%BE%8C",
      "url_status": "live",
      "checked_by": "wikidata-api sitelink",
      "what_it_supports": "general description of the item"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "meaning",
        "name": "Meaning",
        "description": "What last means here.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What does last mean as the final member of an ordering, and what does it depend on?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the final element or about a shoemaker last or a weight unit?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "fields",
            "name": "Fields",
            "description": "Uses across fields.",
            "findings": [
              {
                "id": "fields-finding",
                "name": "Fields",
                "description": "Fields.",
                "questions": [
                  {
                    "text": "How is the last element used in mathematics, computing, linguistics and record-keeping?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific field?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "computing",
        "name": "Computing",
        "description": "Computing.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "elements",
            "name": "Elements",
            "description": "Last element and iteration.",
            "findings": [
              {
                "id": "elements-finding",
                "name": "Elements",
                "description": "Elements.",
                "questions": [
                  {
                    "text": "How do languages and algorithms access the last element and handle the last iteration?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits array indexing?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "errors",
            "name": "Errors",
            "description": "Boundary errors.",
            "findings": [
              {
                "id": "errors-finding",
                "name": "Errors",
                "description": "Errors.",
                "questions": [
                  {
                    "text": "What off-by-one and boundary errors involve last elements, and how are they avoided?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "language",
        "name": "Language",
        "description": "Linguistics and records.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "phonology",
            "name": "Phonology",
            "description": "Word-final position.",
            "findings": [
              {
                "id": "phonology-finding",
                "name": "Phonology",
                "description": "Phonology.",
                "questions": [
                  {
                    "text": "What phonological processes affect word-final sounds?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits final devoicing?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "records",
            "name": "Records",
            "description": "Last recorded instances.",
            "findings": [
              {
                "id": "records-finding",
                "name": "Records",
                "description": "Records.",
                "questions": [
                  {
                    "text": "How are last recorded instances of species, speakers or events documented?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Mathematics and homonyms.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "mathematics",
            "name": "Mathematics",
            "description": "Orderings.",
            "findings": [
              {
                "id": "mathematics-finding",
                "name": "Mathematics",
                "description": "Mathematics.",
                "questions": [
                  {
                    "text": "When does an ordered set have a last element, and what about infinite sets?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits greatest element?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "homonyms",
            "name": "Homonyms",
            "description": "Homonyms.",
            "findings": [
              {
                "id": "homonyms-finding",
                "name": "Homonyms",
                "description": "Homonyms.",
                "questions": [
                  {
                    "text": "What are the shoemaker last and the last as a unit of weight?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific homonym?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should the shoemaker last be linked as a homonym?",
    "How should field-specific uses be linked?",
    "The registry aliases mix computing, linguistics and records; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}