{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T00:32:31Z",
    "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"
  },
  "metaModel": {
    "id": "THING-Q121916",
    "registryId": "vr.tr.writing-implement",
    "name": "writing implement",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q121916/",
  "model": {
    "registry_id": "vr.tr.writing-implement",
    "name": "writing implement",
    "purpose": "Let an agent explain writing implements and their kinds, relay history and materials, describe modern stationery and digital styluses, and distinguish implements from writing surfaces and materials.",
    "definition": "A tool used to produce written marks, such as pens, pencils, brushes, styluses, chalk, crayons and markers, together with the accessories and surfaces of writing including inkstands, notebooks, tracing cloth and historical materials such as papyrus, parchment, wax tablets and the bamboo, wooden slips and silk of early Chinese manuscripts; the registry entry groups implements with writing surfaces and materials, which are separate topics in palaeography and stationery.",
    "what_it_is_for": "Producing written marks.",
    "affordances": [
      "explain kinds and mechanisms",
      "relay history and materials",
      "describe modern and digital forms",
      "distinguish from surfaces"
    ],
    "distinguishing_features": [
      "Hand-held",
      "Mark-making mechanism",
      "Long history",
      "Paired with surfaces and materials"
    ],
    "appearance": "Hand-held tools such as pens, pencils and brushes.",
    "visual_identification": [
      "Tool for making written marks",
      "Pens, pencils, brushes, styluses, chalk, markers",
      "Paper, notebooks and tablets are surfaces; ink is a material"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "pens: dip, fountain, ballpoint, rollerball, felt-tip",
      "pencils and mechanical pencils",
      "brushes for calligraphy",
      "styluses for wax, clay and digital tablets",
      "chalk, crayons and markers",
      "accessories such as inkstands and pen cases",
      "writing surfaces and materials as related topics"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "tool",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "physical object",
        "why": "in registry terms"
      },
      {
        "relation": "is used on",
        "target": "writing surface",
        "why": "such as paper"
      },
      {
        "relation": "is used with",
        "target": "ink",
        "why": "or graphite"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ISO standards for pens and pencils such as ISO 12757",
      "Toy and stationery safety rules for children",
      "Archival standards for permanent inks"
    ],
    "failure_modes_and_hazards": [
      "Confusing implements with surfaces",
      "Non-archival inks fading",
      "Lead-free pencil misconceptions"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [],
  "structure": {
    "bundles": [
      {
        "id": "identify",
        "name": "Identify",
        "description": "What implement this is.",
        "rationale": "Identity.",
        "layers": [
          {
            "id": "kind",
            "name": "Kind",
            "description": "Kinds.",
            "findings": [
              {
                "id": "kind-finding",
                "name": "Kind",
                "description": "Kind.",
                "questions": [
                  {
                    "text": "What kinds of writing implement exist, and how does each make marks?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the item an implement, a surface or a material?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "choose",
            "name": "Choose",
            "description": "Choosing.",
            "findings": [
              {
                "id": "choose-finding",
                "name": "Choose",
                "description": "Choose.",
                "questions": [
                  {
                    "text": "How are implements chosen for handwriting, drawing, calligraphy and archival writing?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific implement?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "History and materials.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "ancient",
            "name": "Ancient",
            "description": "Ancient implements and materials.",
            "findings": [
              {
                "id": "ancient-finding",
                "name": "Ancient",
                "description": "Ancient.",
                "questions": [
                  {
                    "text": "How were styluses, reed pens, brushes and materials such as papyrus, bamboo slips and silk used, as historians describe?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific material?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "modern",
            "name": "Modern",
            "description": "Modern development.",
            "findings": [
              {
                "id": "modern-finding",
                "name": "Modern",
                "description": "Modern.",
                "questions": [
                  {
                    "text": "How did the pencil, fountain pen and ballpoint develop?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "make",
        "name": "Make",
        "description": "Manufacture and standards.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "manufacture",
            "name": "Manufacture",
            "description": "Manufacture.",
            "findings": [
              {
                "id": "manufacture-finding",
                "name": "Manufacture",
                "description": "Manufacture.",
                "questions": [
                  {
                    "text": "How are pens and pencils made, and what standards apply?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "care",
            "name": "Care",
            "description": "Care and archival use.",
            "findings": [
              {
                "id": "care-finding",
                "name": "Care",
                "description": "Care.",
                "questions": [
                  {
                    "text": "How are implements maintained, and which inks are archival?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits archival ink?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Digital and culture.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "digital",
            "name": "Digital",
            "description": "Digital styluses.",
            "findings": [
              {
                "id": "digital-finding",
                "name": "Digital",
                "description": "Digital.",
                "questions": [
                  {
                    "text": "How do digital styluses and pens work with tablets?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits stylus?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Culture and collecting.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How do writing implements feature in calligraphy traditions, collecting and education?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits calligraphy?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should pen and pencil be the primary linked entries?",
    "How should palaeography references be linked?",
    "The registry entry has merged aliases naming surfaces and materials; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}