{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:51:28Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 25.0,
        "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: 01a09574-4ebc-79c0-a873-057f7d24b4d4\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: page\nSense to describe: one side of one leaf (of a book or magazine or newspaper or letter etc.) or the written or pictorial matter it contains\nDomain c",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 66.2,
        "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: 01a09574-4eab-7093-bb7d-1e2434b29939\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: page\nRegistry id: vr.tr.page\nPlane / domain: INF / INF.MED\nRegistry definition: one side of one leaf (of a book or magazine or newspaper or letter et"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T09:00:28+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: WordNet gloss",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-PAGE",
    "registryId": "vr.tr.page",
    "name": "page",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.MED"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/page/",
  "model": {
    "registry_id": "vr.tr.page",
    "name": "page",
    "purpose": "Enable an agent to identify a page as a particular leaf-side or its contained matter, assess its readability and completeness, and decide how it may be located, handled, reproduced or cited.",
    "definition": "A page is either one of the two surfaces of a leaf in a book, magazine, newspaper, letter or similar document, or the written or pictorial matter occupying that surface.",
    "scope_statement": "This model owns the identity, location, surface organisation, contained matter and actionable state of a page under vr.tr.page, distinguishing a physical side from its content and representations while linking to the containing document, edition and item.",
    "in_scope": [
      "One side of a leaf, including a blank, unnumbered or illustrated side",
      "Written or pictorial matter treated as the content of a particular page",
      "Page position, printed labels and relationships to the opposite side and adjacent pages",
      "Page dimensions, content regions, reading order and margins",
      "Page-level completeness, legibility and correspondence to images or transcriptions",
      "Page-specific handling and reproduction constraints"
    ],
    "out_of_scope": [
      "The whole leaf or sheet as a physical object with multiple surfaces",
      "The containing book, magazine, newspaper or letter as a complete document",
      "Whole-work authorship, edition identity and publication history",
      "A spread or opening comprising multiple facing pages",
      "A website page or dynamically generated screen without an established relationship to a leaf-side",
      "An image file or transcription as an independently managed digital object"
    ],
    "distinguishing_features": [
      "A physical page identifies one side of a leaf; identifying the whole leaf does not identify which page is meant.",
      "A blank side can qualify as a page, so visible content and a printed page number are not required recognition tests.",
      "A spread presents multiple pages together and must not acquire a single page identity merely because it is captured in one image.",
      "The same printed number in different sections or copies is insufficient to establish the same page.",
      "A scan or transcription represents a page or its matter; its file boundaries alone do not establish the page boundaries."
    ],
    "characteristics": [
      {
        "name": "Referent mode",
        "kind": "category",
        "unit_or_values": "physical leaf-side | page-contained matter | unresolved",
        "why_it_matters": "Determines whether a statement concerns a physical surface or the matter associated with it."
      },
      {
        "name": "Containing document and item",
        "kind": "relation",
        "unit_or_values": "Links to containing document, manifestation or edition, and physical item where known",
        "why_it_matters": "Locates the page at the level needed to distinguish shared content from a particular copy."
      },
      {
        "name": "Leaf and side",
        "kind": "relation",
        "unit_or_values": "Leaf reference plus recto | verso | side designation unresolved",
        "why_it_matters": "Distinguishes the page from the opposite surface of the same leaf."
      },
      {
        "name": "Page label",
        "kind": "category",
        "unit_or_values": "Literal printed or supplied label, with absent | illegible | unknown and label origin",
        "why_it_matters": "Preserves citation evidence without assuming numbering is present, unique or sequential."
      },
      {
        "name": "Sequence position",
        "kind": "relation",
        "unit_or_values": "Preceding and following page references within a named physical or reconstructed sequence",
        "why_it_matters": "Supports navigation and identifies uncertainty caused by missing or rearranged leaves."
      },
      {
        "name": "Surface extent",
        "kind": "measurement",
        "unit_or_values": "Width and height in mm for a physical side; coordinates in a declared unit and frame for a representation",
        "why_it_matters": "Supports boundary checking, layout interpretation and detection of cropped representations."
      },
      {
        "name": "Content composition",
        "kind": "category",
        "unit_or_values": "Blank | text | pictorial | mixed | other | unknown",
        "why_it_matters": "Guides inspection and extraction without treating every page as prose."
      },
      {
        "name": "Reading order",
        "kind": "relation",
        "unit_or_values": "Ordered or partially ordered region references, with unresolved alternatives",
        "why_it_matters": "Prevents columns, notes, captions and marginalia from being merged in the wrong order."
      },
      {
        "name": "Completeness and legibility",
        "kind": "state",
        "unit_or_values": "Separate assessments of surface loss, content visibility and representation coverage, each allowing unknown",
        "why_it_matters": "Distinguishes missing material from unreadable material and incomplete capture."
      },
      {
        "name": "Representation correspondence",
        "kind": "relation",
        "unit_or_values": "Image, transcription or extracted-region reference with coverage and verification status",
        "why_it_matters": "Makes derived content traceable to the page and portion actually inspected."
      },
      {
        "name": "Action constraints",
        "kind": "relation",
        "unit_or_values": "Applicable handling, access, reproduction or modification instruction linked to its authority and affected region",
        "why_it_matters": "Lets an agent assess a proposed action without inferring permission from possession or visibility."
      }
    ],
    "affordances": [
      "Locate and cite a page using its containing document, sequence and available labels",
      "Navigate to the opposite side, adjacent pages and related facing page",
      "Inspect page regions and recover text or pictorial matter in a supported reading order",
      "Compare a page with a scan or transcription and flag missing, cropped or uncertain content",
      "Request or perform permitted turning, capture, transcription or reproduction actions",
      "Record damage, annotations and unresolved page identification without silently reconstructing missing evidence"
    ],
    "agent_conduct": {
      "may": [
        "Cite material by page with the edition it comes from.",
        "Scan, index and extract text from pages it is authorized to process."
      ],
      "must_not": [
        "Reproduce substantial parts of copyrighted pages without permission.",
        "Alter, remove or reorder pages in a record, document or register.",
        "Cite a page number it has not verified in the stated edition.",
        "Handle fragile original pages without the custodian's conservation guidance."
      ],
      "requires_human": [
        "Removing or replacing pages in an official or bound record.",
        "Digitizing or disbinding rare material."
      ]
    },
    "ethics": {
      "considerations": [
        "Page-level citation is how claims are checked, so invented references corrupt the record.",
        "Tampering with pages in official registers can change people's legal rights."
      ],
      "affected_parties": [
        "Readers and researchers",
        "Authors and publishers",
        "People named in records"
      ]
    },
    "owners": {
      "steward": "The owner of the document or book; archives and libraries keep originals.",
      "master_systems": []
    },
    "visual_identification": [
      "One side of a leaf, usually numbered, with its text or image area.",
      "Page numbers differ between editions, so an edition must be stated."
    ],
    "failure_modes_and_hazards": [
      "Acidic paper becomes brittle and crumbles.",
      "Missing or substituted pages go unnoticed in long documents."
    ],
    "what_it_is_for": [
      "A page is encountered as one side of a document leaf or as the text and images arranged on that side.",
      "Pages organize material for reading, illustration, annotation and reference within books and other documents.",
      "Libraries, archives and digitization projects identify individual pages to preserve their content and sequence."
    ],
    "standards_and_regulation": [
      "ISO 216, issued by the International Organization for Standardization, specifies trimmed paper sizes used for many physical document pages.",
      "ISO 9706, issued by the International Organization for Standardization, specifies permanence requirements for paper used in documents intended for long-term retention."
    ]
  },
  "sources": [
    {
      "id": "oewn",
      "title": "Open English WordNet 2024, synset oewn-06267274-n",
      "url": "https://en-word.net/id/oewn-06267274-n",
      "what_it_supports": "sense and gloss of the concept",
      "url_status": "live",
      "checked_by": "http 200"
    },
    {
      "id": "wiktionary-en",
      "title": "Wiktionary: page",
      "url": "https://en.wiktionary.org/wiki/page",
      "what_it_supports": "word senses and usage",
      "url_status": "live",
      "checked_by": "http 200"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "page-identity-and-location",
        "name": "Page identity and location",
        "description": "Establishes what the page reference denotes and where it belongs.",
        "rationale": "A page number alone cannot distinguish a leaf-side, its content, an edition-level reference and a particular copy.",
        "layers": [
          {
            "id": "leaf-side-and-content",
            "name": "Leaf-side and content",
            "description": "Separates the physical surface from the matter associated with it.",
            "findings": [
              {
                "id": "referent-and-container",
                "name": "Referent and container",
                "description": "Record whether the target is a leaf-side or its contained matter, together with the containing document and item links needed to resolve it.",
                "questions": [
                  {
                    "text": "Does this reference denote a particular physical side or the matter presented on that side?",
                    "kind": "definition",
                    "id": "referent-and-container-q01"
                  },
                  {
                    "text": "Which containing document, edition and item are established, and which remain unidentified?",
                    "kind": "provenance",
                    "id": "referent-and-container-q02"
                  },
                  {
                    "text": "What evidence associates the page with a particular leaf and side designation?",
                    "kind": "boundary",
                    "id": "referent-and-container-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "labels-and-sequences",
            "name": "Labels and sequences",
            "description": "Keeps page labels separate from physical and reconstructed order.",
            "findings": [
              {
                "id": "page-location-evidence",
                "name": "Page location evidence",
                "description": "Preserve literal labels, supplied identifiers and sequence relationships without silently correcting omissions, duplicates or numbering errors.",
                "questions": [
                  {
                    "text": "What label appears on the page, and is any alternative label supplied by a cataloguer or capture system?",
                    "kind": "provenance",
                    "id": "page-location-evidence-q01"
                  },
                  {
                    "text": "Which pages precede and follow it in the observed item, and does a proposed reading sequence differ?",
                    "kind": "boundary",
                    "id": "page-location-evidence-q02"
                  },
                  {
                    "text": "What combination of container, section, label and position will locate this page unambiguously for citation?",
                    "kind": "action",
                    "id": "page-location-evidence-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "page-surface-and-layout",
        "name": "Page surface and layout",
        "description": "Describes the page boundary and the arrangement of matter within it.",
        "rationale": "Page-level interpretation depends on separating the full surface from cropped views and on recognising spatial relationships among its regions.",
        "layers": [
          {
            "id": "surface-boundaries",
            "name": "Surface boundaries",
            "description": "Identifies the extent of the side and the portion visible in an observation.",
            "findings": [
              {
                "id": "extent-and-capture-coverage",
                "name": "Extent and capture coverage",
                "description": "Record physical extent and observed coverage separately, including folds, obscured edges and any multi-page capture boundary.",
                "questions": [
                  {
                    "text": "What are the page dimensions, in which folded or unfolded state, and how were they measured?",
                    "kind": "measurement",
                    "id": "extent-and-capture-coverage-q01"
                  },
                  {
                    "text": "Does the observation show the complete side, a cropped region or a spread containing another page?",
                    "kind": "boundary",
                    "id": "extent-and-capture-coverage-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "regions-and-reading-order",
            "name": "Regions and reading order",
            "description": "Describes text blocks, images, margins and their interpretation order.",
            "findings": [
              {
                "id": "spatial-content-relationships",
                "name": "Spatial content relationships",
                "description": "Identify meaningful regions and supported relationships among columns, headings, captions, notes and marginal matter.",
                "questions": [
                  {
                    "text": "Which regions contain main text, illustrations, captions, running matter, notes or marginal additions?",
                    "kind": "definition",
                    "id": "spatial-content-relationships-q01"
                  },
                  {
                    "text": "What evidence establishes reading order and caption or note attachment, and where are multiple interpretations possible?",
                    "kind": "boundary",
                    "id": "spatial-content-relationships-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "page-matter-and-representations",
        "name": "Page matter and representations",
        "description": "Connects the matter on the page to its document context and derivative representations.",
        "rationale": "A page can contain fragments of several content units, while a scan or transcription can omit, combine or reinterpret those fragments.",
        "layers": [
          {
            "id": "contained-matter",
            "name": "Contained matter",
            "description": "Identifies what is present without treating the page as a complete work.",
            "findings": [
              {
                "id": "content-membership-and-additions",
                "name": "Content membership and additions",
                "description": "Relate page regions to containing content units and distinguish evidenced additions from matter shared with an edition.",
                "questions": [
                  {
                    "text": "Which document sections or content units occur here, and which continue across a page boundary?",
                    "kind": "boundary",
                    "id": "content-membership-and-additions-q01"
                  },
                  {
                    "text": "Which marks are supported as printed matter, handwritten additions, stamps or later interventions, and what supports that attribution?",
                    "kind": "provenance",
                    "id": "content-membership-and-additions-q02"
                  },
                  {
                    "text": "Is apparent blankness established by inspection or merely caused by an absent or inadequate representation?",
                    "kind": "definition",
                    "id": "content-membership-and-additions-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "image-and-transcription-correspondence",
            "name": "Image and transcription correspondence",
            "description": "Tracks how representations correspond to the observed page.",
            "findings": [
              {
                "id": "representation-fidelity",
                "name": "Representation fidelity",
                "description": "Associate each image or transcription with its source page, covered regions and known transformations or unresolved readings.",
                "questions": [
                  {
                    "text": "Which page and regions does this representation derive from, and what evidence verifies that match?",
                    "kind": "provenance",
                    "id": "representation-fidelity-q01"
                  },
                  {
                    "text": "Were cropping, rotation, enhancement, OCR or editorial normalisation applied, and where is the result uncertain?",
                    "kind": "provenance",
                    "id": "representation-fidelity-q02"
                  },
                  {
                    "text": "Which passages or visual details require comparison with the source before quotation, extraction or reuse?",
                    "kind": "action",
                    "id": "representation-fidelity-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "page-state-and-actions",
        "name": "Page state and actions",
        "description": "Assesses page-level obstacles and constraints affecting inspection and use.",
        "rationale": "Physical damage, representation defects and permissions affect different actions and must be traced to the relevant page or region.",
        "layers": [
          {
            "id": "condition-and-readability",
            "name": "Condition and readability",
            "description": "Separates physical loss and obscuration from defects introduced during capture.",
            "findings": [
              {
                "id": "local-loss-and-legibility",
                "name": "Local loss and legibility",
                "description": "Record affected regions and the evidence for tears, missing portions, fading, stains, show-through, occlusion or capture defects.",
                "questions": [
                  {
                    "text": "Which regions are missing, obscured or difficult to read, and is the cause on the physical page or in its representation?",
                    "kind": "measurement",
                    "id": "local-loss-and-legibility-q01"
                  },
                  {
                    "text": "Would another view or capture resolve the uncertainty, or is handling advice needed before further inspection?",
                    "kind": "action",
                    "id": "local-loss-and-legibility-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "handling-and-reuse",
            "name": "Handling and reuse",
            "description": "Connects proposed page operations to applicable instructions and permissions.",
            "findings": [
              {
                "id": "operation-specific-constraints",
                "name": "Operation-specific constraints",
                "description": "Record the authority and coverage of constraints on turning, flattening, capturing, transcribing, modifying or reproducing the page and its contained matter.",
                "questions": [
                  {
                    "text": "What documented instructions govern turning, unfolding, flattening or marking this particular page?",
                    "kind": "action",
                    "id": "operation-specific-constraints-q01"
                  },
                  {
                    "text": "Which permissions or restrictions apply to reproducing its text, images, annotations and supplied scan, and where is coverage unresolved?",
                    "kind": "action",
                    "id": "operation-specific-constraints-q02"
                  },
                  {
                    "text": "What source establishes each constraint, and does it apply to the whole page, a region, the containing item or a representation?",
                    "kind": "provenance",
                    "id": "operation-specific-constraints-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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": [
                  "Page is used for both a carrier surface and its content; applications should distinguish those senses where physical identity matters.",
                  "Page references require document and often edition context; there is no universal identifier for an individual page.",
                  "Paper-size standards describe selected formats, not the full range of book, newspaper, manuscript or letter page dimensions."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of page this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Recto page",
                  "Verso page",
                  "Title page",
                  "Text page",
                  "Illustrated page",
                  "Blank page"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of page this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "Pagination",
                    "value_or_pattern": "An Arabic or Roman numeral, sometimes with a section prefix",
                    "note": "Identifies a page within a document or pagination sequence; numbers may be absent, repeated or restarted."
                  },
                  {
                    "scheme": "Foliation with side designation",
                    "value_or_pattern": "Leaf number followed by r or v, such as 12r or 12v",
                    "note": "Identifies a leaf's recto or verso surface; foliation counts leaves rather than pages."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of page this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "ISO 216, issued by ISO, specifies A and B series trimmed paper sizes used for many document pages; it does not prescribe a universal page size."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of page 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": [
                  "Locating passages through page references in citations and indexes.",
                  "Organizing text and images through page layout.",
                  "Planning printing, folding and binding through imposition.",
                  "Recording the extent and completeness of publications.",
                  "Digitizing document surfaces while preserving their sequence."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of page this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Page width and height",
                    "typical_range": "Format-dependent; an A4 page measures 210 × 297",
                    "unit": "mm"
                  },
                  {
                    "quantity": "Number of page surfaces per intact leaf",
                    "typical_range": "2",
                    "unit": "pages per leaf"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of page 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": [
                  "Missing, duplicated or misordered pages can interrupt content and invalidate references.",
                  "Incorrect or restarted pagination can make page numbers ambiguous.",
                  "Cropping, tight binding or poor scanning can obscure content near page edges or the gutter.",
                  "Tearing, staining, fading and paper deterioration can destroy or conceal content.",
                  "Confusing printed page numbers with digital viewer positions can produce incorrect citations."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of page 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": [
                  "Binding direction and writing system affect page progression and the placement of successive pages.",
                  "A-series paper formats are common internationally, while Letter and Legal formats are common in North American office documents."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of page 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": "Leaf",
                    "difference": "A leaf is the physical piece in a document; each of its two surfaces is a page."
                  },
                  {
                    "name": "Sheet",
                    "difference": "A sheet is a piece of paper that may be folded or cut to produce several leaves and pages."
                  },
                  {
                    "name": "Opening or spread",
                    "difference": "An opening ordinarily presents two facing pages together."
                  },
                  {
                    "name": "Work",
                    "difference": "A work is an intellectual or artistic creation; a page is a surface or local unit of its presentation and may contain only part of that work."
                  },
                  {
                    "name": "Edition",
                    "difference": "An edition groups published copies with a particular presentation; page divisions and numbering can differ between editions of the same work."
                  },
                  {
                    "name": "Web page",
                    "difference": "A web page is a web document whose extent need not correspond to a single physical leaf surface."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of page this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should fixed-layout digital pages without a physical leaf be included by an explicit extension of this registry definition, or linked through a neighbouring model?",
    "What identity convention should relate page-contained matter across copies and editions when pagination, layout or annotations differ?",
    "How should foldouts, pasted additions and composite surfaces be bounded as pages while preserving the distinction between a side and a leaf?",
    "Which cataloguing conventions should govern supplied labels, recto-verso designations and citations for unnumbered or irregularly numbered pages?",
    "Which existing Vercy models already own document hierarchy, physical condition, content rights and digital representations, and what page-specific links should replace duplicated modelling?"
  ],
  "statistics": {
    "bundles": 5,
    "layers": 9,
    "findings": 17,
    "questions": 30
  }
}
