{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:54:41Z",
    "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": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:20:36+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-Q1088",
    "registryId": "vr.tr.blue",
    "name": "blue",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.QLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1088/",
  "model": {
    "registry_id": "vr.tr.blue",
    "name": "blue",
    "purpose": "Let an agent specify blue precisely and handle its meanings in signalling and design, and its accessibility.",
    "definition": "The colour between violet and cyan in the visible spectrum, around 450-495 nm, perceived as the colour of a clear sky, with shades from azure to petrol blue.",
    "what_it_is_for": "Signalling information and mandatory actions, and expressing meanings in design and culture.",
    "affordances": [
      "specify it in a colour space",
      "use it in signs and design",
      "produce it with pigments or light",
      "check contrast"
    ],
    "distinguishing_features": [
      "A hue between violet and cyan",
      "Mandatory action colour in safety signs",
      "Historically rare and costly pigments",
      "Blue light has health and display considerations"
    ],
    "appearance": "The hue of a clear sky and deep sea; shades range from cyan-blue to navy.",
    "visual_identification": [
      "Hue angle around 200-250 degrees in HSL",
      "Named shades: azure, duck-egg blue, petrol blue",
      "Safety blue for mandatory signs"
    ],
    "physical_properties": [
      {
        "quantity": "dominant wavelength",
        "typical_range": "450-495",
        "unit": "nm",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "shades: azure, navy, cobalt, petrol blue",
      "pigments: ultramarine, cobalt blue, Prussian blue, YInMn blue",
      "safety blue (ISO 3864)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "color",
        "why": "hue"
      },
      {
        "relation": "is used in",
        "target": "safety sign",
        "why": "mandatory"
      },
      {
        "relation": "is produced by",
        "target": "pigment",
        "why": "blue pigments"
      },
      {
        "relation": "is confused with",
        "target": "green and cyan",
        "why": "boundary hues"
      }
    ],
    "identifiers": [
      {
        "scheme": "RAL code",
        "value_or_pattern": "5000 series",
        "note": "industrial blues"
      }
    ],
    "standards_and_regulation": [
      "ISO 3864 safety colours",
      "WCAG contrast"
    ],
    "failure_modes_and_hazards": [
      "Low contrast of dark blue on black",
      "Blue-yellow deficiency (rare)",
      "Some historical pigments are toxic"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Name and specify shades of blue in standard colour systems.",
        "Check that blue text or signals have enough contrast for readers."
      ],
      "must_not": [
        "Use blue as the only cue in safety signals or interfaces without a second cue.",
        "Misstate the colour of goods so that buyers are misled.",
        "Misrepresent the cultural or religious meanings of blue in a community."
      ],
      "requires_human": [
        "Changing colours on official safety signs or emergency lighting."
      ]
    },
    "ethics": {
      "considerations": [
        "People with colour vision deficiency can miss colour-only information.",
        "Colours carry political and religious meanings in many places."
      ],
      "affected_parties": [
        "People with colour vision deficiency",
        "Readers and users of interfaces"
      ]
    },
    "owners": {
      "steward": "Nobody owns a colour; standards bodies keep reference colour specifications.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1088: blue",
      "url": "https://www.wikidata.org/wiki/Q1088",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Blue",
      "url": "https://en.wikipedia.org/wiki/Blue",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "specification",
        "name": "Specification",
        "description": "Which blue.",
        "rationale": "Blue covers many shades.",
        "layers": [
          {
            "id": "value",
            "name": "Value",
            "description": "Colour values.",
            "findings": [
              {
                "id": "value-finding",
                "name": "Value",
                "description": "Exact value.",
                "questions": [
                  {
                    "text": "Which exact blue is meant, in which colour space?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which named shade is closest?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "standard",
            "name": "Standard",
            "description": "Safety blue.",
            "findings": [
              {
                "id": "standard-finding",
                "name": "Standard",
                "description": "Standardised blue.",
                "questions": [
                  {
                    "text": "Does a standard define this blue?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What tolerance applies?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "signalling",
        "name": "Signalling",
        "description": "Blue as a signal.",
        "rationale": "Blue means mandatory action in safety signs.",
        "layers": [
          {
            "id": "meaning",
            "name": "Meaning",
            "description": "Mandatory signs.",
            "findings": [
              {
                "id": "meaning-finding",
                "name": "Meaning",
                "description": "Meaning in context.",
                "questions": [
                  {
                    "text": "What does blue mean in this sign system?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is a pictogram used too?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "lights",
            "name": "Lights",
            "description": "Emergency lights.",
            "findings": [
              {
                "id": "lights-finding",
                "name": "Lights",
                "description": "Blue lights.",
                "questions": [
                  {
                    "text": "Which vehicles may use blue lights here?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What must drivers do?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "accessibility",
        "name": "Accessibility",
        "description": "Contrast.",
        "rationale": "Contrast matters for readability.",
        "layers": [
          {
            "id": "contrast",
            "name": "Contrast",
            "description": "Ratio.",
            "findings": [
              {
                "id": "contrast-finding",
                "name": "Contrast",
                "description": "Contrast ratio.",
                "questions": [
                  {
                    "text": "What is the contrast ratio with its background?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Does it meet WCAG?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "deficiency",
            "name": "Colour vision",
            "description": "Tritan.",
            "findings": [
              {
                "id": "deficiency-finding",
                "name": "Colour vision",
                "description": "Colour-vision check.",
                "questions": [
                  {
                    "text": "How does it appear with blue-yellow deficiency?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is a redundant cue provided?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "materials-and-culture",
        "name": "Materials and culture",
        "description": "Pigments and meaning.",
        "rationale": "Blue pigments have a rich history.",
        "layers": [
          {
            "id": "pigments",
            "name": "Pigments",
            "description": "Sources.",
            "findings": [
              {
                "id": "pigments-finding",
                "name": "Pigment",
                "description": "Pigment.",
                "questions": [
                  {
                    "text": "Which pigment makes this blue?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it lightfast and safe?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Meanings.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Meaning",
                "description": "Cultural meaning.",
                "questions": [
                  {
                    "text": "What does blue signify in the target culture?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it tied to institutions or brands?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which reference blue should the registry use?",
    "How should cultural meanings be recorded?",
    "Should blue pigments be separate entries?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}