{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-06T20:24:04Z",
    "providers": [
      "Codex",
      "Grok"
    ],
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "usd": 0.00699176,
        "turns": 1,
        "seconds": 39.8,
        "error": null
      },
      "codex": {
        "seconds": 53.3,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07863-3ad6-7182-b7d5-9197ed9ed4e7\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: go\nRegistry id: vr.tr.go\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model says "
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T08:14:33+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:05:13+00:00",
        "engine": "codex",
        "fields": [
          "agent_conduct",
          "definition",
          "distinguishing_features",
          "ethics",
          "failure_modes_and_hazards",
          "in_scope",
          "out_of_scope",
          "owners",
          "purpose",
          "scope_statement",
          "visual_identification"
        ],
        "answering_review": "679de2e467fc3049f7806810db833df01dca34025dc4834ba5c0b22072f8c831"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "3 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q11413",
    "registryId": "vr.tr.go",
    "name": "go",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q11413/",
  "model": {
    "registry_id": "vr.tr.go",
    "name": "go",
    "purpose": "Enable an AI agent to recognise and explain Go, distinguish its rules and scoring variants, support learning and play, and interpret games under the applicable rules.",
    "definition": "Go, also known as weiqi or baduk, is a two-player board game of perfect information that originated in China more than 2,500 years ago, in which players compete for territory using two distinguishable groups of stones placed on grid intersections.",
    "scope_statement": "This model covers Go as a board game, including its objective, rules, board and stone roles, scoring variants, history and conventions of fair play.",
    "in_scope": [
      "The game's objective and the roles of its two players are in scope.",
      "The intersection grid and the roles of the two distinguishable groups of stones are in scope.",
      "Legal play, capture, repetition restrictions and game completion under the applicable rules are in scope.",
      "Scoring systems and differences among recognised rule sets are in scope.",
      "Strategy concepts, learning, history and cultural traditions of the game are in scope.",
      "Interpretation of positions and game records under a stated rule set is in scope."
    ],
    "out_of_scope": [
      "Physical Go sets as owned objects with material, condition and maintenance records are outside this model.",
      "A particular match's complete event record and official adjudication are outside this model.",
      "Individual player identities, biographies and ranking records are outside this model.",
      "Digital Go software and online game services as independently operated systems are outside this model."
    ],
    "distinguishing_features": [
      "Go uses grid intersections as playing locations rather than the interiors of alternating squares.",
      "The two players use distinguishable groups of stones without the differentiated piece roles found in chess.",
      "Territorial competition, surrounding stones and capture distinguish Go from other games using similar equipment.",
      "The applicable rule set determines details of legal repetition, game completion and scoring.",
      "Go remains the same game whether represented by physical equipment or a digital playing surface."
    ],
    "characteristics": [
      {
        "name": "Identity evidence",
        "kind": "relation",
        "unit_or_values": "Links to labels, supplier descriptions, owner statements or other evidence identifying intended use",
        "why_it_matters": "A grid board with two stone colours does not uniquely identify Go equipment."
      },
      {
        "name": "Grid dimensions",
        "kind": "measurement",
        "unit_or_values": "Number of intersection lines along each axis",
        "why_it_matters": "Establishes the available placement locations and compatibility with an intended game."
      },
      {
        "name": "Grid spacing",
        "kind": "measurement",
        "unit_or_values": "Millimetres between adjacent lines on each axis",
        "why_it_matters": "Determines whether neighbouring stones can be placed and distinguished reliably."
      },
      {
        "name": "Stone dimensions",
        "kind": "measurement",
        "unit_or_values": "Diameter and thickness in millimetres, including variation within each group",
        "why_it_matters": "Supports fit assessment, handling and identification of mismatched replacements."
      },
      {
        "name": "Stone group distinction",
        "kind": "category",
        "unit_or_values": "Observed colours and any supplementary tactile or visual distinctions",
        "why_it_matters": "An agent must distinguish the two sides under actual lighting and sensing conditions."
      },
      {
        "name": "Stone inventory",
        "kind": "measurement",
        "unit_or_values": "Count by group and location: board, supply container, captured-stone area or unassigned",
        "why_it_matters": "Supports readiness checks without confusing stones in play with missing equipment."
      },
      {
        "name": "Placement readability",
        "kind": "state",
        "unit_or_values": "Clear, partly ambiguous or unreadable, with affected intersections identified",
        "why_it_matters": "Determines whether a physical arrangement can be recorded or restored confidently."
      },
      {
        "name": "Component condition",
        "kind": "state",
        "unit_or_values": "Observed grid wear, surface distortion, stone damage and container defects",
        "why_it_matters": "Connects specific defects to placement, recognition, handling and storage decisions."
      }
    ],
    "affordances": [
      "Identify and group the board, stones and containers belonging to a set.",
      "Check whether the grid and available stones suit an explicitly stated intended game.",
      "Record stone locations using a declared board orientation and coordinate convention.",
      "Place or remove an identified stone at a specified intersection under an external game instruction.",
      "Preserve or reconstruct an arrangement from a verified physical record.",
      "Sort, store or maintain components according to their observed materials and handling requirements."
    ],
    "agent_conduct": {
      "may": [
        "Explain Go's objectives, rules, scoring variants, strategy concepts and history.",
        "Analyse positions or game records when assistance is permitted.",
        "Describe the board, stones and bowls and their regional traditions."
      ],
      "must_not": [
        "Provide concealed assistance in a game where such assistance is prohibited.",
        "Present one rule set's scoring or legality decisions as universal.",
        "Misrepresent game records, results or the authority of an adjudication.",
        "Leave small physical stones within reach of young children."
      ],
      "requires_human": [
        "Official resolution of disputed competitive results requires an authorised human adjudicator."
      ]
    },
    "ethics": {
      "considerations": [
        "Fair play requires transparency about outside assistance and respect for the applicable rules.",
        "Descriptions of Go should respect its cultural history and regional traditions.",
        "Fine physical sets can use rare shell and woods whose harvest has harmed ecosystems."
      ],
      "affected_parties": [
        "Players and learners are affected by the accuracy and fairness of guidance.",
        "Organisers and adjudicators are affected by competitive conduct.",
        "Collectors and young children can be affected by physical equipment choices.",
        "Forests and coastal habitats can be affected by materials used in physical sets."
      ]
    },
    "owners": {
      "steward": "No single owner controls the traditional game; player communities, rules bodies and competition organisers steward its conventions and competitive forms.",
      "master_systems": []
    },
    "visual_identification": [
      "Go is commonly represented by a square intersection grid with black and white stones.",
      "Physical stones may be kept in lidded bowls, while digital versions display equivalent playing pieces.",
      "Similar equipment can support other games, so appearance alone does not establish that Go is being played."
    ],
    "failure_modes_and_hazards": [
      "Mixing rule sets can lead to incorrect legality or scoring claims.",
      "Unapproved assistance can undermine fair play.",
      "Physical stones can present a choking hazard to young children."
    ],
    "what_it_is_for": [
      "A Go set is used in homes, clubs, classrooms and tournaments to play and study the two-player territorial board game.",
      "Its board and contrasting stones support recording positions, demonstrating variations and reviewing completed games."
    ],
    "standards_and_regulation": [
      "The Japanese Rules of Go, issued jointly by the Nihon Ki-in and Kansai Ki-in, define board-based play and scoring for games that adopt them.",
      "The Rules of Go, issued by the American Go Association, define equipment conventions, play and scoring for games that adopt them."
    ]
  },
  "sources": [
    {
      "id": "src-1",
      "title": "The Game of Go",
      "url": "https://en.wikipedia.org/wiki/Go_(game)",
      "what_it_supports": "Equipment, board sizes, regional names, and play practice",
      "url_status": "live"
    },
    {
      "id": "wikidata",
      "title": "Wikidata item Q11413: go",
      "url": "https://www.wikidata.org/wiki/Q11413",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Go (game)",
      "url": "https://en.wikipedia.org/wiki/Go_%28game%29",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "go-set-identity",
        "name": "Go set identity",
        "description": "Establishes whether the object is intended as Go equipment and which components the model represents.",
        "rationale": "The undefined name and equipment shared with neighbouring games make identification and component boundaries essential.",
        "layers": [
          {
            "id": "intended-game",
            "name": "Intended game",
            "description": "Separates physical resemblance from evidence that the equipment is intended for Go.",
            "findings": [
              {
                "id": "go-use-evidence",
                "name": "Evidence of Go use",
                "description": "Records the basis and uncertainty of identifying the equipment as a Go set.",
                "questions": [
                  {
                    "text": "What label, accompanying instructions or owner statement identifies this equipment as intended for Go?",
                    "kind": "provenance",
                    "id": "go-use-evidence-q01"
                  },
                  {
                    "text": "Could the observed board and stones instead be equipment for another intersection-placement game?",
                    "kind": "boundary",
                    "id": "go-use-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "set-membership",
            "name": "Set membership",
            "description": "Identifies the board, stones and containers included in the represented object.",
            "findings": [
              {
                "id": "component-boundary",
                "name": "Component boundary",
                "description": "Distinguishes a complete set, a partial set and a separately registered component.",
                "questions": [
                  {
                    "text": "Does this instance represent an entire Go set, a board alone or another explicitly identified subset?",
                    "kind": "definition",
                    "id": "component-boundary-q01"
                  },
                  {
                    "text": "What evidence associates these particular stones and containers with this board?",
                    "kind": "provenance",
                    "id": "component-boundary-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "intersection-surface",
        "name": "Intersection surface",
        "description": "Describes the board as a physical system of identifiable stone-placement locations.",
        "rationale": "An agent must resolve intersections, orientation and physical fit before it can observe or manipulate a Go position.",
        "layers": [
          {
            "id": "grid-geometry",
            "name": "Grid geometry",
            "description": "Captures the grid dimensions and spacing actually present on the board.",
            "findings": [
              {
                "id": "playable-intersections",
                "name": "Playable intersections",
                "description": "Records the placement grid without assuming a standard board size.",
                "questions": [
                  {
                    "text": "How many grid lines exist along each axis, and are all their intersections usable?",
                    "kind": "measurement",
                    "id": "playable-intersections-q01"
                  },
                  {
                    "text": "What is the spacing along each axis, and can the supplied stones occupy adjacent intersections without obstructing one another?",
                    "kind": "measurement",
                    "id": "playable-intersections-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "board-orientation",
            "name": "Board orientation",
            "description": "Connects the physical board to a stable reference frame for observation and placement.",
            "findings": [
              {
                "id": "coordinate-reference",
                "name": "Coordinate reference",
                "description": "Makes recorded intersections recoverable even when the board lacks printed coordinates.",
                "questions": [
                  {
                    "text": "Which physical edge or external reference establishes the origin and direction of the recorded coordinates?",
                    "kind": "definition",
                    "id": "coordinate-reference-q01"
                  },
                  {
                    "text": "How will the agent detect board rotation or movement before acting on a previously recorded intersection?",
                    "kind": "action",
                    "id": "coordinate-reference-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "stone-populations",
        "name": "Stone populations",
        "description": "Describes the two groups of stones, their physical suitability and their distribution across the set.",
        "rationale": "Go manipulation depends on distinguishing otherwise similar pieces and maintaining a usable supply for both sides.",
        "layers": [
          {
            "id": "stone-distinction-and-fit",
            "name": "Stone distinction and fit",
            "description": "Assesses whether individual stones can be classified, placed and handled reliably.",
            "findings": [
              {
                "id": "usable-stone-groups",
                "name": "Usable stone groups",
                "description": "Records group distinctions and dimensional variation relevant to the board and handling method.",
                "questions": [
                  {
                    "text": "Can every stone be assigned reliably to one of the two groups under the intended lighting or sensing conditions?",
                    "kind": "measurement",
                    "id": "usable-stone-groups-q01"
                  },
                  {
                    "text": "What diameter, thickness or shape variations affect placement on this grid or pickup by the intended handler?",
                    "kind": "measurement",
                    "id": "usable-stone-groups-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "stone-inventory-and-containment",
            "name": "Stone inventory and containment",
            "description": "Tracks available stones and the physical locations used to keep them separated.",
            "findings": [
              {
                "id": "stone-availability",
                "name": "Stone availability",
                "description": "Distinguishes available supply, placed stones, captured stones and genuinely missing components.",
                "questions": [
                  {
                    "text": "How many stones of each group are on the board, in supply containers, in captured-stone areas or elsewhere?",
                    "kind": "measurement",
                    "id": "stone-availability-q01"
                  },
                  {
                    "text": "Which containers or designated areas keep supply stones distinguishable from captured stones for the intended game procedure?",
                    "kind": "definition",
                    "id": "stone-availability-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "position-preservation-and-use",
        "name": "Position preservation and use",
        "description": "Connects observable stone placement and equipment condition to permitted physical actions.",
        "rationale": "An apparently minor displacement or cleanup can destroy a meaningful Go arrangement, while physical observation alone cannot determine move legality.",
        "layers": [
          {
            "id": "observable-position",
            "name": "Observable position",
            "description": "Records physical occupancy while retaining uncertainty and referring game interpretation to a match model.",
            "findings": [
              {
                "id": "intersection-occupancy",
                "name": "Intersection occupancy",
                "description": "Associates visible stones with intersections and identifies placements that cannot be resolved confidently.",
                "questions": [
                  {
                    "text": "Which intersections are empty or occupied by each stone group, and which assignments are ambiguous because of displacement or occlusion?",
                    "kind": "measurement",
                    "id": "intersection-occupancy-q01"
                  },
                  {
                    "text": "Which linked match record or explicit instruction supplies turn, capture and legality information that the physical arrangement cannot establish?",
                    "kind": "boundary",
                    "id": "intersection-occupancy-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "handling-and-readiness",
            "name": "Handling and readiness",
            "description": "Determines whether equipment can be used or moved while respecting its condition and any arrangement being preserved.",
            "findings": [
              {
                "id": "position-sensitive-actions",
                "name": "Position-sensitive actions",
                "description": "Connects placement defects, component damage and preservation requirements to handling decisions.",
                "questions": [
                  {
                    "text": "Do worn grid lines, board instability or damaged stones prevent reliable recognition, placement or removal at particular intersections?",
                    "kind": "measurement",
                    "id": "position-sensitive-actions-q01"
                  },
                  {
                    "text": "Before moving, cleaning or packing the set, must the current arrangement be preserved, and what verified record would support restoration?",
                    "kind": "action",
                    "id": "position-sensitive-actions-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-kinds",
                "name": "Kinds and varieties",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "table board with single convex stones (Japanese-style)",
                  "floor board (goban) with dual-convex stones and wooden bowls",
                  "magnetic/travel set",
                  "electronic/sensor board",
                  "teaching board (demonstration/wall)",
                  "plastic/vinyl roll-up board with glass or plastic stones",
                  "ingrained-line kaya or agathis goban",
                  "printed paper or cardboard beginner set"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "scheme": "Wikidata",
                    "value_or_pattern": "Q11413 (Go the game); equipment is typically typed as instance of board game equipment rather than a single Q-id",
                    "note": "The game is Q11413; a physical set is not a single canonical item"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Japanese Go Association (Nihon Ki-in) equipment conventions for board size, stone count, and komi in tournament play",
                  "Korean Baduk Association and Chinese Weiqi Association tournament equipment rules"
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Club and tournament play on 19×19 wooden goban with 181 black and 180 white stones",
                  "Teaching and casual play on 9×9 and 13×13 boards",
                  "Travel and school kits with magnetic or roll-up boards"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "quantity": "board grid",
                    "typical_range": "9×9, 13×13, or 19×19 intersections",
                    "unit": "intersections"
                  },
                  {
                    "quantity": "stone diameter",
                    "typical_range": "21.1-22.1",
                    "unit": "mm"
                  },
                  {
                    "quantity": "stone thickness",
                    "typical_range": "7-12",
                    "unit": "mm"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Chipping or cracking of glass/slate stones",
                  "Warping of wooden goban from humidity",
                  "Ingestion hazard of stones for young children",
                  "Board-line wear making intersections hard to read"
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Japan: go / igo, thick kaya goban, dual-convex slate and shell stones, wooden bowls (goke)",
                  "China: weiqi, often single-convex Yunzi stones, sometimes felt or table boards",
                  "Korea: baduk, paduk; plastic bowls and glass stones common in clubs",
                  "Board line spacing and stone size conventions differ slightly by maker and country"
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "name": "xiangqi (Chinese chess) set",
                    "difference": "Xiangqi uses a 9×10 point-and-line board with river/palace marks and labelled pieces, not a plain grid of empty intersections and identical black/white stones"
                  },
                  {
                    "name": "gomoku / Five in a Row set",
                    "difference": "Same 19×19 grid and stones can be reused, but gomoku is a connection/alignment game; Go is territorial with capture by liberty"
                  },
                  {
                    "name": "go/no-go gauge",
                    "difference": "A metrology plug or ring used to check a workpiece dimension, not game equipment"
                  },
                  {
                    "name": "chess set",
                    "difference": "Chess has differentiated pieces on 8×8 coloured squares; Go has identical stones played on intersections"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of go this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does registry entry vr.tr.go actually denote physical Go equipment, the game itself or another referent named \"go\"?",
    "Does an existing Vercy world model already own this concept, requiring a link instead of a separate publication?",
    "Should this registry entry encompass complete sets, individual boards and travel variants, or do existing neighbouring entries own those components?",
    "Which intended playing contexts and authoritative equipment references should determine board compatibility and sufficient stone inventory?",
    "Where should persistent position records belong when the set carries a teaching arrangement, puzzle or unfinished match?"
  ],
  "statistics": {
    "bundles": 5,
    "layers": 9,
    "findings": 16,
    "questions": 24
  }
}
