{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T06:57:21Z",
    "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": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T15:00:00Z",
      "ingestedAt": "2026-10-05T13:19:38+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:53+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q11423",
    "registryId": "vr.tr.mass",
    "name": "mass",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.QLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q11423/",
  "model": {
    "registry_id": "vr.tr.mass",
    "name": "mass",
    "purpose": "Let an agent handle mass by measurement, units, uncertainty and context, including body weight, respectfully and without health judgements.",
    "definition": "A property of a physical body measuring its amount of matter and its resistance to acceleration; the SI unit is the kilogram. In everyday use it is often called weight, as in body weight.",
    "what_it_is_for": "Quantifying matter in science, trade, medicine and engineering.",
    "affordances": [
      "weigh on calibrated scales",
      "convert units",
      "state uncertainty",
      "track body weight with professional guidance"
    ],
    "distinguishing_features": [
      "Amount of matter and inertia",
      "Differs from weight as force",
      "Additive quantity",
      "Legal metrology for trade"
    ],
    "appearance": "Not visible; measured with balances and scales.",
    "visual_identification": [
      "Values in kg, g, lb",
      "Scale readings",
      "Weight as force in newtons is a different quantity"
    ],
    "physical_properties": [
      {
        "quantity": "SI unit",
        "typical_range": "kilogram",
        "unit": "kg",
        "note": "defined via the Planck constant since 2019"
      }
    ],
    "families_and_kinds": [
      "inertial and gravitational mass",
      "rest mass",
      "body mass",
      "birth mass",
      "mass in trade"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "physical quantity",
        "why": "category"
      },
      {
        "relation": "is measured in",
        "target": "kilogram",
        "why": "unit"
      },
      {
        "relation": "is confused with",
        "target": "weight",
        "why": "force"
      },
      {
        "relation": "relates to",
        "target": "density and volume",
        "why": "quantities"
      }
    ],
    "identifiers": [
      {
        "scheme": "SI base quantity",
        "value_or_pattern": "M",
        "note": "dimension symbol"
      }
    ],
    "standards_and_regulation": [
      "SI Brochure",
      "OIML R 76 non-automatic weighing instruments",
      "EU Measuring Instruments Directive"
    ],
    "failure_modes_and_hazards": [
      "Confusing mass and weight",
      "Uncalibrated scales",
      "Stigmatising body weight"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Measure and report mass with calibrated instruments, stating the unit and uncertainty.",
        "Convert between units of mass correctly."
      ],
      "must_not": [
        "Report a mass from an uncalibrated or tampered scale in trade or medicine.",
        "Confuse mass and weight where the difference matters, such as in engineering or dosing.",
        "Comment on or record a person's body weight without their consent.",
        "Shame or judge a person for their body weight."
      ],
      "requires_human": [
        "Using a body weight measurement for a medical or dosing decision."
      ]
    },
    "ethics": {
      "considerations": [
        "Honest measurement protects buyers and patients.",
        "Body weight is sensitive personal data tied to stigma."
      ],
      "affected_parties": [
        "Buyers and sellers in trade",
        "Patients",
        "People whose weight is recorded"
      ]
    },
    "owners": {
      "steward": "Nobody owns the quantity; national metrology institutes keep the reference standards.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q11423: mass",
      "url": "https://www.wikidata.org/wiki/Q11423",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Mass",
      "url": "https://en.wikipedia.org/wiki/Mass",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "measurement",
        "name": "Measurement",
        "description": "Weighing.",
        "rationale": "Weighing needs calibration.",
        "layers": [
          {
            "id": "value",
            "name": "Value",
            "description": "Result.",
            "findings": [
              {
                "id": "value-finding",
                "name": "Value",
                "description": "Mass value.",
                "questions": [
                  {
                    "text": "What is the mass, in which unit?",
                    "kind": "measurement"
                  },
                  {
                    "text": "What is the uncertainty?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "instrument",
            "name": "Instrument",
            "description": "Scale.",
            "findings": [
              {
                "id": "instrument-finding",
                "name": "Instrument",
                "description": "Instrument.",
                "questions": [
                  {
                    "text": "Which scale was used, and is it calibrated?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it legal for trade?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physics",
        "name": "Physics",
        "description": "Concept.",
        "rationale": "Mass differs from weight.",
        "layers": [
          {
            "id": "concept",
            "name": "Concept",
            "description": "Inertia.",
            "findings": [
              {
                "id": "concept-finding",
                "name": "Concept",
                "description": "Concept.",
                "questions": [
                  {
                    "text": "Is mass or weight as force meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How are they related?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "units",
            "name": "Units",
            "description": "Conversion.",
            "findings": [
              {
                "id": "units-finding",
                "name": "Units",
                "description": "Units.",
                "questions": [
                  {
                    "text": "How does this convert between kg and lb?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is precision preserved?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "body",
        "name": "Body mass",
        "description": "Health context.",
        "rationale": "Body weight is personal.",
        "layers": [
          {
            "id": "health",
            "name": "Health",
            "description": "Guidance.",
            "findings": [
              {
                "id": "health-finding",
                "name": "Health",
                "description": "Health guidance.",
                "questions": [
                  {
                    "text": "Is professional guidance needed to interpret this weight?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Is judgement avoided?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "infants",
            "name": "Infants",
            "description": "Birth weight.",
            "findings": [
              {
                "id": "infants-finding",
                "name": "Infants",
                "description": "Birth and infant weight.",
                "questions": [
                  {
                    "text": "How is infant weight tracked against growth charts?",
                    "kind": "definition"
                  },
                  {
                    "text": "Who advises parents?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "trade",
        "name": "Trade",
        "description": "Legal metrology.",
        "rationale": "Trade weights are regulated.",
        "layers": [
          {
            "id": "rules",
            "name": "Rules",
            "description": "Measuring instruments.",
            "findings": [
              {
                "id": "rules-finding",
                "name": "Rules",
                "description": "Metrology rules.",
                "questions": [
                  {
                    "text": "Which rules apply to weighing for sale?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the instrument verified?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "labels",
            "name": "Labels",
            "description": "Net quantity.",
            "findings": [
              {
                "id": "labels-finding",
                "name": "Labels",
                "description": "Net quantity.",
                "questions": [
                  {
                    "text": "Is the declared net mass accurate?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What tolerance applies?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should body mass be a separate entry?",
    "How should mass and weight be linked?",
    "How should health contexts be routed?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}