{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T10:25:39Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 16.6,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09525-945a-79e1-93b5-32265d3f4196\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Illyrian type helmet\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043:",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 77.3,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09525-9471-74a2-9a26-baf35d526dc1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Illyrian type helmet\nRegistry id: vr.tr.illyrian-type-helmet\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into thi"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:52:57+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1658952",
    "registryId": "vr.tr.illyrian-type-helmet",
    "name": "Illyrian type helmet",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1658952/",
  "model": {
    "registry_id": "vr.tr.illyrian-type-helmet",
    "name": "Illyrian type helmet",
    "purpose": "Enable an agent to recognise an Illyrian type helmet, assess the evidence for its classification and surviving condition, and determine appropriate study, handling and interpretation.",
    "definition": "An Illyrian type helmet is an ancient bronze combat helmet of a form developed in Greece, distinguished by an open, roughly rectangular face opening framed by fixed cheekpieces, and used in Greece and parts of the Balkans during the Archaic and Classical periods.",
    "scope_statement": "This model owns the diagnostic morphology, construction, archaeological attribution and preservation requirements of the ancient helmet kind registered as vr.tr.illyrian-type-helmet in PHY / PHY.OBJ, including how individual specimens support or challenge classification.",
    "in_scope": [
      "Diagnostic relationships between the face opening, cheek-pieces, crown, crest track and neck protection",
      "Construction evidence in the metal shell, edges, attachments and surface treatments",
      "Subtype and dating assignments with their supporting observations and uncertainties",
      "Evidence distinguishing manufacture, wear, repair, deposition and modern restoration",
      "Specimen-specific handling and investigation constraints arising from fragile helmet features"
    ],
    "out_of_scope": [
      "General armour classification and the full properties shared by all helmets",
      "Illyrian ethnicity, political history and military organisation as independent subjects",
      "Complete models of neighbouring helmet types such as Corinthian and Chalcidian helmets",
      "Modern protective helmets, their certification and performance requirements",
      "Museum collection administration and archaeological site management",
      "Replicas and artistic depictions as physical instances of an ancient original"
    ],
    "distinguishing_features": [
      "Evaluate the combination of an open, broadly rectangular facial aperture and extended cheek-pieces; record whether surviving edges actually preserve that geometry.",
      "Examine the crown for a longitudinal crest track and associated ridges or attachment traces; a detached crest or a missing attachment is insufficient by itself to accept or reject identification.",
      "Compare the face opening with the separated eye openings and nasal protection characteristic of a Corinthian comparison specimen; distinguish original absence from loss.",
      "Compare cheek-piece attachment, ear clearance and rear profile with identified neighbouring types rather than classifying every open-faced bronze helmet as Illyrian type.",
      "Require a morphological argument independent of the findspot or the word 'Illyrian' in a catalogue label."
    ],
    "characteristics": [
      {
        "name": "Diagnostic feature preservation",
        "kind": "state",
        "unit_or_values": "For face opening, cheek-pieces, crest track and rear profile: original and visible | fragmentary | restored | obscured | absent | unknown",
        "why_it_matters": "Determines which parts of the classification can be checked directly."
      },
      {
        "name": "Face-opening geometry",
        "kind": "measurement",
        "unit_or_values": "Width and height in mm at stated landmarks; edge profile and deformation recorded",
        "why_it_matters": "Supports comparison without treating corrosion or reconstruction as original design."
      },
      {
        "name": "Cheek and ear configuration",
        "kind": "category",
        "unit_or_values": "Integral or separately attached cheek-pieces; ear-notch outline; completeness; uncertain",
        "why_it_matters": "Helps distinguish related forms and evaluate subtype proposals."
      },
      {
        "name": "Crest-track configuration",
        "kind": "category",
        "unit_or_values": "Track profile, ridge arrangement and attachment traces; absent | lost | restored | uncertain",
        "why_it_matters": "Preserves a diagnostic feature while separating metal attachment evidence from reconstructed crests."
      },
      {
        "name": "Shell thickness",
        "kind": "measurement",
        "unit_or_values": "mm at mapped locations, with method and corrosion limitations",
        "why_it_matters": "Informs manufacturing interpretation and identifies locally vulnerable areas."
      },
      {
        "name": "Metal identification",
        "kind": "category",
        "unit_or_values": "Copper alloy, with analytical composition where established; method and sampling location",
        "why_it_matters": "Separates conventional material labels from measured alloy composition."
      },
      {
        "name": "Typological assignment",
        "kind": "relation",
        "unit_or_values": "Named classification system, subtype, reference specimens, confidence and competing attribution",
        "why_it_matters": "Makes an assignment reviewable without assuming subtype labels are universal."
      },
      {
        "name": "Chronological attribution",
        "kind": "relation",
        "unit_or_values": "Date interval with BCE/CE designation, supporting context or comparison, and uncertainty",
        "why_it_matters": "Separates a proposed manufacture date from burial, dedication or acquisition dates."
      },
      {
        "name": "Structural integrity",
        "kind": "state",
        "unit_or_values": "Stable | cracked | perforated | distorted | fragmentary | restoration-dependent | unassessed",
        "why_it_matters": "Controls support, movement and access to the helmet interior."
      },
      {
        "name": "Inscription and ornament association",
        "kind": "relation",
        "unit_or_values": "Location, technique, reading or motif, supporting documentation, and proposed sequence relative to manufacture",
        "why_it_matters": "Allows decoration or dedication to inform biography without making it a requirement of the type."
      }
    ],
    "affordances": [
      "Compare a specimen's preserved diagnostic features with documented Illyrian type helmets and record a qualified identification.",
      "Select photographic and measurement views that expose the face opening, ear junctions, crest track and rear profile.",
      "Separate observed shell features from reconstructed cheek-pieces, crests, lining and ornament.",
      "Construct an evidence-linked sequence of manufacture, modification, use and deposition.",
      "Identify vulnerable cheek-pieces, ridges and shell edges before proposing a support or examination procedure.",
      "Revise subtype or dating claims when better comparanda, contextual records or technical examination become available."
    ],
    "agent_conduct": {
      "may": [
        "Describe the Illyrian type helmet, its variants and its distribution from archaeological sources.",
        "Catalogue examples with find context and provenance."
      ],
      "must_not": [
        "Help trade helmets looted from burials or exported in breach of heritage law.",
        "Present a reproduction as an original or a restored composite as intact.",
        "Use the helmet to support claims about modern ethnic or national superiority."
      ],
      "requires_human": [
        "Authenticating, valuing or selling an ancient helmet."
      ]
    },
    "ethics": {
      "considerations": [
        "Many examples come from graves in the Balkans and Greece; looting harms those regions.",
        "The name invites modern national disputes that history does not settle."
      ],
      "affected_parties": [
        "Source countries and their heritage",
        "Museums and researchers",
        "Buyers"
      ]
    },
    "owners": {
      "steward": "The holding museum or the state for archaeological finds.",
      "master_systems": [
        "National cultural heritage and museum inventories"
      ]
    },
    "visual_identification": [
      "A bronze helmet with a rectangular face opening framed by fixed cheekpieces.",
      "Often with raised ridges along the crown for a crest and no nose guard."
    ],
    "failure_modes_and_hazards": [
      "Corrosion damages untreated bronze.",
      "Illicit and faked pieces circulate in the market."
    ],
    "what_it_is_for": [
      "These helmets occur in archaeological contexts and museum collections concerned with ancient Greek and Balkan warfare.",
      "They are studied to investigate armour manufacture, regional exchange, combat equipment and burial practices."
    ],
    "standards_and_regulation": [
      "The UNESCO 1970 Convention on illicit import, export and transfer of cultural property provides a framework relevant to archaeological helmets, subject to national implementation.",
      "The International Council of Museums Code of Ethics for Museums provides standards for provenance checks, acquisition and care of archaeological objects."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1658952: Illyrian type helmet",
      "url": "https://www.wikidata.org/wiki/Q1658952",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Illyrian type helmet",
      "url": "https://en.wikipedia.org/wiki/Illyrian_type_helmet",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "diagnostic-form",
        "name": "Diagnostic form",
        "description": "The feature combinations that justify recognising an Illyrian type helmet.",
        "rationale": "A regional name or general resemblance cannot substitute for a checkable identification.",
        "layers": [
          {
            "id": "facial-and-lateral-profile",
            "name": "Facial and lateral profile",
            "description": "Relationships among the brow, face opening, cheek-pieces and ear clearance.",
            "findings": [
              {
                "id": "preserved-opening-evidence",
                "name": "Preserved opening evidence",
                "description": "Record the surviving opening and cheek profiles as observations, distinguishing original contours from broken or restored edges before using them diagnostically.",
                "questions": [
                  {
                    "text": "Which original edges establish the shape of the face opening and the cheek-to-ear junction?",
                    "kind": "definition",
                    "id": "preserved-opening-evidence-q01"
                  },
                  {
                    "text": "Could missing nasal protection, displaced cheek-pieces or restoration produce a misleading resemblance to this type?",
                    "kind": "boundary",
                    "id": "preserved-opening-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "crown-and-rear-profile",
            "name": "Crown and rear profile",
            "description": "Crest-support morphology considered together with the bowl and rear edge.",
            "findings": [
              {
                "id": "crest-track-comparison",
                "name": "Crest-track comparison",
                "description": "A British Museum specimen preserves a raised longitudinal track bordered by ridges and possible crest-attachment studs; use this as a documented comparison, not a universal specification. [British Museum specimen](https://www.britishmuseum.org/collection/object/G_1914-0408-1)",
                "questions": [
                  {
                    "text": "What track, ridges and attachment traces survive, and which are reconstructed?",
                    "kind": "measurement",
                    "id": "crest-track-comparison-q01"
                  },
                  {
                    "text": "Which documented comparison supports interpreting the crown and rear profile as this type rather than a neighbouring form?",
                    "kind": "boundary",
                    "id": "crest-track-comparison-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "shell-and-attachments",
        "name": "Shell and attachments",
        "description": "How the metal body and its associated fittings were made and assembled.",
        "rationale": "Construction evidence helps distinguish original structure, ancient modification and modern additions.",
        "layers": [
          {
            "id": "metal-forming",
            "name": "Metal forming",
            "description": "The material and working traces of the bowl, cheek-pieces and edges.",
            "findings": [
              {
                "id": "shell-construction-evidence",
                "name": "Shell construction evidence",
                "description": "The British Museum example is described as hammered from a single bronze sheet; establish construction separately for each specimen rather than extending that observation to every proposed subtype. [British Museum specimen](https://www.britishmuseum.org/collection/object/G_1914-0408-1)",
                "questions": [
                  {
                    "text": "What seams, continuous metal transitions or working traces support the proposed shell construction?",
                    "kind": "definition",
                    "id": "shell-construction-evidence-q01"
                  },
                  {
                    "text": "Where can shell thickness be measured reliably despite corrosion, coatings or repairs?",
                    "kind": "measurement",
                    "id": "shell-construction-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "fittings-and-organic-components",
            "name": "Fittings and organic components",
            "description": "Evidence for crest fixing, interior fittings and other attached components.",
            "findings": [
              {
                "id": "attachment-function",
                "name": "Attachment function",
                "description": "Record each hole, stud and surviving residue before assigning it to a crest, lining, fastening, ornament or repair; absent organic components remain unresolved unless evidence supports reconstruction.",
                "questions": [
                  {
                    "text": "Which attachment traces have an evidenced function, and which admit competing explanations?",
                    "kind": "definition",
                    "id": "attachment-function-q01"
                  },
                  {
                    "text": "What evidence supports any proposed crest, lining or fastening material and its association with this helmet?",
                    "kind": "provenance",
                    "id": "attachment-function-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "attribution-and-biography",
        "name": "Attribution and biography",
        "description": "The evidence connecting form to dates, places and episodes in the helmet's history.",
        "rationale": "Typological naming must not collapse manufacture, ownership, cultural attribution and deposition into a single claim.",
        "layers": [
          {
            "id": "type-date-and-place",
            "name": "Type, date and place",
            "description": "Explicit grounds for subtype, chronology and geographical attribution.",
            "findings": [
              {
                "id": "independent-attributions",
                "name": "Independent attributions",
                "description": "Keep the type name separate from cultural attribution: the Metropolitan Museum catalogues an Illyrian type helmet as Greek and Archaic. [Metropolitan Museum specimen](https://www.metmuseum.org/art/collection/search/253482)",
                "questions": [
                  {
                    "text": "Which named typology and diagnostic observations support the assigned subtype and date interval?",
                    "kind": "definition",
                    "id": "independent-attributions-q01"
                  },
                  {
                    "text": "Which records independently establish findspot, proposed production location and cultural attribution?",
                    "kind": "provenance",
                    "id": "independent-attributions-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "use-and-deposition",
            "name": "Use and deposition",
            "description": "Wear, alterations, inscriptions and archaeological associations as evidence of successive episodes.",
            "findings": [
              {
                "id": "biographical-sequence",
                "name": "Biographical sequence",
                "description": "Build a qualified sequence from observed traces and context. The British Museum specimen carries a dedication to Olympian Zeus, demonstrating that a votive episode can matter to interpretation without defining the helmet kind. [British Museum specimen](https://www.britishmuseum.org/collection/object/G_1914-0408-1)",
                "questions": [
                  {
                    "text": "What evidence distinguishes wear, repair, deliberate alteration and post-depositional damage?",
                    "kind": "provenance",
                    "id": "biographical-sequence-q01"
                  },
                  {
                    "text": "Does an inscription or associated deposit establish a dedication or burial episode, and how securely is it linked to this specimen?",
                    "kind": "provenance",
                    "id": "biographical-sequence-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "preservation-and-study",
        "name": "Preservation and study",
        "description": "How surviving helmet fabric constrains examination, reconstruction and handling.",
        "rationale": "Thin shell areas and projecting features can both carry diagnostic evidence and limit safe access to it.",
        "layers": [
          {
            "id": "condition-and-restoration",
            "name": "Condition and restoration",
            "description": "Damage and intervention mapped onto features used for identification.",
            "findings": [
              {
                "id": "diagnostic-fabric-integrity",
                "name": "Diagnostic fabric integrity",
                "description": "Map cracks, losses, deformation and additions specifically across the facial edges, cheek-pieces, ear junctions and crest track so classification can be reassessed against authentic surviving fabric.",
                "questions": [
                  {
                    "text": "Which diagnostic contours consist of original metal, repositioned fragments or modern fills?",
                    "kind": "boundary",
                    "id": "diagnostic-fabric-integrity-q01"
                  },
                  {
                    "text": "Which cracks or unstable joins prevent unsupported movement or measurement of the cheek-pieces and crown?",
                    "kind": "action",
                    "id": "diagnostic-fabric-integrity-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "examination-and-reconstruction",
            "name": "Examination and reconstruction",
            "description": "Selecting investigations and controlling the claims made by reconstructions.",
            "findings": [
              {
                "id": "evidence-preserving-access",
                "name": "Evidence-preserving access",
                "description": "Choose examination and support methods around the surviving shell and fittings; document hypothetical crests or interiors separately from observed remains, and do not infer wearable protective performance from ancient classification.",
                "questions": [
                  {
                    "text": "Which supported views or non-contact examinations can resolve the identification without loading fragile edges or attachments?",
                    "kind": "action",
                    "id": "evidence-preserving-access-q01"
                  },
                  {
                    "text": "Which elements of a proposed reconstruction are directly evidenced, supported by comparison or conjectural?",
                    "kind": "boundary",
                    "id": "evidence-preserving-access-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Formal subtype names and their chronological boundaries should be checked against a specified archaeological typology.",
                  "Dates, dimensions and manufacturing details vary between specimens and are not supplied here as universal properties.",
                  "This description is based on recall; no sources have been consulted."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Illyrian type helmet this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Protecting a warrior's head while leaving the face exposed.",
                  "Deposition as grave goods.",
                  "Dedication as a votive offering at sanctuaries."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Illyrian type helmet this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The open face leaves the eyes, nose and mouth exposed to weapons.",
                  "Heavy impacts can deform or penetrate the bronze shell.",
                  "Burial corrosion and cracking can weaken surviving archaeological examples."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Illyrian type helmet this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The conventional name refers to association with Illyria and does not establish an exclusively Illyrian origin or the ethnicity of individual wearers.",
                  "The form originated in Greece and was also adopted in the western Balkans."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of Illyrian type helmet this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "Corinthian helmet",
                    "difference": "A Corinthian helmet typically has a nasal guard and encloses much more of the face; an Illyrian type helmet has a broad face opening without a nasal guard."
                  },
                  {
                    "name": "Chalcidian helmet",
                    "difference": "A Chalcidian helmet typically has distinct ear openings and often a nasal guard; the Illyrian type is distinguished by its rectangular face opening and fixed cheekpieces."
                  },
                  {
                    "name": "Ancient Greek helmet",
                    "difference": "This is the broader category of which the Illyrian type is one archaeological form."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Illyrian type helmet this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which published typology should govern subtype terminology, and how should conflicting classification systems be cross-referenced?",
    "What minimum surviving feature combination supports confident identification of a fragmentary Illyrian type helmet?",
    "Which securely contextualised specimens establish the chronological and geographical limits of each recognised variant?",
    "How variable are shell construction, ear clearance and crest attachments across the type, and which differences are genuinely diagnostic?",
    "What evidence can reliably distinguish original lining or fastening traces from repairs, burial residues and modern restoration?"
  ],
  "statistics": {
    "bundles": 5,
    "layers": 9,
    "findings": 13,
    "questions": 21
  }
}
