{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T22:38:08Z",
    "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": "2026-10-06T07:01:27+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:57+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2332446",
    "registryId": "vr.tr.staining",
    "name": "staining",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.ACT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2332446/",
  "model": {
    "registry_id": "vr.tr.staining",
    "name": "staining",
    "purpose": "Let an agent explain staining as a technique, identify kinds and their targets, relay protocols and standards in general terms from laboratory references, and distinguish staining from other visualisation methods.",
    "definition": "A laboratory technique that applies dyes, pigments, metals or labelled molecules to biological specimens so that cells, tissues, organisms or molecules become visible or distinguishable under a microscope, including histological stains such as haematoxylin and eosin, special stains such as acid-fast and Luxol fast blue, silver methods such as Ag-NOR staining, and immunostaining and fluorescence staining with antibodies and probes.",
    "what_it_is_for": "Making biological structures visible for microscopy and diagnosis.",
    "affordances": [
      "explain principles and kinds",
      "identify stains and their targets",
      "relay standards and quality control",
      "distinguish from other methods"
    ],
    "distinguishing_features": [
      "Contrast by binding",
      "Specific and general stains",
      "Diagnostic and research use",
      "Standardised protocols"
    ],
    "appearance": "Coloured or fluorescent specimens on slides, viewed under a microscope.",
    "visual_identification": [
      "Dye, metal or label applied to specimens for contrast",
      "Histological, microbiological, immuno and fluorescence stains",
      "Unstained phase contrast and electron microscopy contrast differ; tissue staining in dentistry and textile dyeing are other senses"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "general histological stains such as haematoxylin and eosin",
      "special stains such as acid-fast, PAS and Luxol fast blue",
      "silver and metal stains such as Ag-NOR",
      "microbiological stains such as Gram stain",
      "immunostaining and immunohistochemistry",
      "fluorescence staining and live-cell dyes"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "lab technique",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "histological assay",
        "why": "in registry terms"
      },
      {
        "relation": "is used in",
        "target": "microscopy",
        "why": "the observation method"
      },
      {
        "relation": "includes",
        "target": "Gram stain",
        "why": "a classic example"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Laboratory accreditation standards such as ISO 15189",
      "Quality control schemes for histology and immunohistochemistry",
      "Chemical safety for dyes and fixatives"
    ],
    "failure_modes_and_hazards": [
      "Artefacts and false results",
      "Toxic reagents",
      "Batch variation without controls"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe staining techniques and what each reveals in a specimen.",
        "Record stain batches, controls and protocols in a laboratory information system it is authorized to use.",
        "Flag possible artefacts in a stained slide for review by a qualified person."
      ],
      "must_not": [
        "Report a diagnosis from a stained slide without review by a qualified pathologist.",
        "Run staining without positive and negative controls when results are used clinically.",
        "Dispose of toxic staining reagents down the drain.",
        "Alter images of stained specimens without disclosure."
      ],
      "requires_human": [
        "Releasing a clinical result based on staining."
      ]
    },
    "ethics": {
      "considerations": [
        "Stains guide cancer and infection diagnoses; false results harm patients.",
        "Some reagents are toxic to laboratory staff and the environment."
      ],
      "affected_parties": [
        "Patients",
        "Laboratory staff",
        "Researchers"
      ]
    },
    "owners": {
      "steward": "The laboratory that performs it, under its accreditation body.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2332446: staining",
      "url": "https://www.wikidata.org/wiki/Q2332446",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Staining",
      "url": "https://en.wikipedia.org/wiki/Staining",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What staining is.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "principle",
            "name": "Principle",
            "description": "Principles.",
            "findings": [
              {
                "id": "principle-finding",
                "name": "Principle",
                "description": "Principle.",
                "questions": [
                  {
                    "text": "How does staining create contrast, and what determines specificity?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about laboratory staining or another sense of the word?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "kinds",
            "name": "Kinds",
            "description": "Kinds of stain.",
            "findings": [
              {
                "id": "kinds-finding",
                "name": "Kinds",
                "description": "Kinds.",
                "questions": [
                  {
                    "text": "What kinds of stain exist, and what does each target?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific stain?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "practice",
        "name": "Practice",
        "description": "Protocols and quality.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "protocols",
            "name": "Protocols",
            "description": "Protocols.",
            "findings": [
              {
                "id": "protocols-finding",
                "name": "Protocols",
                "description": "Protocols.",
                "questions": [
                  {
                    "text": "How are staining protocols performed and optimised, in general terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "quality",
            "name": "Quality",
            "description": "Quality control.",
            "findings": [
              {
                "id": "quality-finding",
                "name": "Quality",
                "description": "Quality.",
                "questions": [
                  {
                    "text": "How are controls and accreditation used to ensure reliable staining?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits laboratory quality control?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "apply",
        "name": "Apply",
        "description": "Applications.",
        "rationale": "Application.",
        "layers": [
          {
            "id": "diagnosis",
            "name": "Diagnosis",
            "description": "Diagnostic use.",
            "findings": [
              {
                "id": "diagnosis-finding",
                "name": "Diagnosis",
                "description": "Diagnosis.",
                "questions": [
                  {
                    "text": "How are stains used in pathology and microbiology diagnosis?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user asking about a personal result, which needs a clinician?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "research",
            "name": "Research",
            "description": "Research use.",
            "findings": [
              {
                "id": "research-finding",
                "name": "Research",
                "description": "Research.",
                "questions": [
                  {
                    "text": "How are immunostaining and fluorescence staining used in research?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits immunohistochemistry?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History and safety.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did staining develop from early dyes to Gram, Golgi and modern methods?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of histology?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "What hazards do staining reagents present, and how are they managed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should immunostaining and each classic stain be separate entries?",
    "How should protocol references be linked?",
    "The registry entry has merged aliases naming specific stains; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
