{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T09:45:38Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 22.8,
        "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: 01a09501-01ff-71b0-ac66-2b117afdcd23\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: flexible intermediate bulk container\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 thin",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 72.1,
        "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: 01a09501-01f0-73b3-8caf-7ab37bada2e9\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: flexible intermediate bulk container\nRegistry id: vr.tr.flexible-intermediate-bulk-container\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:48:47+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:33+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q859592",
    "registryId": "vr.tr.flexible-intermediate-bulk-container",
    "name": "flexible intermediate bulk container",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q859592/",
  "model": {
    "registry_id": "vr.tr.flexible-intermediate-bulk-container",
    "name": "flexible intermediate bulk container",
    "purpose": "Enable an agent to recognise a flexible intermediate bulk container, assess its suitability and condition for a specified bulk solid, and determine which filling, lifting, storage and discharge actions its documented limits permit.",
    "definition": "A flexible intermediate bulk container (FIBC) is an intermediate bulk container with a flexible body, commonly made from woven polypropylene, designed for mechanically handling, storing and transporting bulk solids such as powders or granules.",
    "scope_statement": "This model owns the flexible construction, load-bearing features, containment interfaces and condition-dependent use of a flexible intermediate bulk container (FIBC), specialising the broader intermediate bulk container model without duplicating its general logistics responsibilities.",
    "in_scope": [
      "Flexible body, seams, lifting attachments, liners and closures",
      "Rated payload and evidence linking a container design to permitted handling",
      "Compatibility between the intended contents and the fabric, liner and closures",
      "Filling, lifting, storage and discharge configurations specific to flexible construction",
      "Damage, contamination, traceability and eligibility for further use"
    ],
    "out_of_scope": [
      "General intermediate bulk container identity and logistics concepts owned by the parent model",
      "Rigid and composite intermediate bulk container construction",
      "Chemical identity and hazard classification of the contents",
      "Design and operation of forklifts, cranes, filling stations and discharge equipment",
      "Transport routes, shipment ownership and warehouse management",
      "Manufacturer product lines and individual container records as separate kinds"
    ],
    "distinguishing_features": [
      "Its principal containment body is flexible fabric or sheet material rather than a rigid vessel.",
      "It is designed for mechanically handled bulk loads, with a documented means of supporting or lifting the filled container.",
      "Body, seams and lifting attachments must be assessed together because flexible construction participates in the load path.",
      "Its usable geometry depends on the filling state and any baffles or external support, so empty dimensions alone do not establish operating clearances.",
      "It specialises intermediate bulk container through flexible containment; an ordinary sack or flexible liner alone does not establish FIBC identity."
    ],
    "characteristics": [
      {
        "name": "Parent kind",
        "kind": "relation",
        "unit_or_values": "Registered intermediate bulk container entry",
        "why_it_matters": "Preserves registry granularity and identifies which general container concepts are inherited."
      },
      {
        "name": "Body construction",
        "kind": "category",
        "unit_or_values": "Documented fabric or sheet material, weave, coating, seam construction and baffle arrangement",
        "why_it_matters": "Identifies the flexible containment structure and its likely inspection points."
      },
      {
        "name": "Rated payload",
        "kind": "measurement",
        "unit_or_values": "kg, with the manufacturer's rating terminology and applicable conditions",
        "why_it_matters": "Provides a load limit that must remain distinct from volume and test loads."
      },
      {
        "name": "Nominal capacity and filled envelope",
        "kind": "measurement",
        "unit_or_values": "Capacity in m³; dimensions in mm; reference filling conditions",
        "why_it_matters": "Supports filling and clearance decisions without assuming the empty bag retains its shape."
      },
      {
        "name": "Lifting arrangement",
        "kind": "category",
        "unit_or_values": "Number, position and construction of lifting attachments; documented engagement method",
        "why_it_matters": "Determines compatible lifting equipment and the intended load path."
      },
      {
        "name": "Liner configuration",
        "kind": "category",
        "unit_or_values": "Absent, loose, attached or otherwise specified; material and attachment details",
        "why_it_matters": "Affects containment, product compatibility and liner movement during discharge."
      },
      {
        "name": "Fill and discharge interfaces",
        "kind": "category",
        "unit_or_values": "Open top, skirt, spout or other documented configuration; closure method and dimensions",
        "why_it_matters": "Determines how equipment can connect and how contents can be retained or released."
      },
      {
        "name": "Electrostatic suitability",
        "kind": "category",
        "unit_or_values": "Documented classification, supporting evidence, liner combination and use restrictions; unknown when unverified",
        "why_it_matters": "Prevents an agent from inferring suitability for an ignition-sensitive environment from appearance."
      },
      {
        "name": "Contents compatibility",
        "kind": "relation",
        "unit_or_values": "Intended bulk solid and supporting compatibility evidence for the complete container configuration",
        "why_it_matters": "Connects material properties and containment requirements to a specific use decision."
      },
      {
        "name": "Condition and service history",
        "kind": "state",
        "unit_or_values": "Recorded damage, contamination, exposure, previous contents and inspection outcome",
        "why_it_matters": "Separates a design rating from the present condition of an individual container."
      },
      {
        "name": "Permitted service regime",
        "kind": "category",
        "unit_or_values": "Documented single-use or reuse conditions, inspection requirements and retirement criteria",
        "why_it_matters": "Prevents a surviving container from being assumed eligible for another filling cycle."
      }
    ],
    "affordances": [
      "Match a documented FIBC configuration to an intended bulk solid and operating environment.",
      "Check a proposed fill against payload, volume and filling-condition limits.",
      "Identify an approved lifting arrangement and the attachments that require inspection.",
      "Determine compatible filling and discharge interfaces and required support.",
      "Assess whether damage, contamination or missing evidence requires quarantine.",
      "Determine whether emptying, further use or retirement is supported by the documented service regime."
    ],
    "agent_conduct": {
      "may": [
        "Inspect a bulk bag for damage, labels and rated load before it is filled or lifted.",
        "Record fill weight, contents and handling history for the operator."
      ],
      "must_not": [
        "Fill a bag above its safe working load or with goods it is not rated for.",
        "Lift a bag by damaged loops or let people stand beneath a suspended bag.",
        "Reuse a single-use bag, or use a non-conductive bag where flammable dust or vapour is present.",
        "Use a bag that held hazardous goods for food or feed."
      ],
      "requires_human": [
        "Approving bags for dangerous goods or for food contact.",
        "Releasing a bag that shows damage after a near-miss or drop."
      ]
    },
    "ethics": {
      "considerations": [
        "Dropped or split bags injure workers and spill material into the environment.",
        "Static discharge from the wrong bag type can ignite dust and kill people."
      ],
      "affected_parties": [
        "Warehouse and site workers",
        "Drivers and handlers",
        "People near spills"
      ]
    },
    "owners": {
      "steward": "The operator who fills and handles it; the maker answers for its rated performance.",
      "master_systems": []
    },
    "visual_identification": [
      "A large woven fabric bag, often cube-shaped, with lifting loops at the corners.",
      "A label stating safe working load, safety factor and bag type.",
      "Often a filling spout on top and a discharge spout below."
    ],
    "failure_modes_and_hazards": [
      "Loop or seam failure can drop a heavy load on people.",
      "Static discharge from unsuitable bags can ignite flammable atmospheres.",
      "UV exposure weakens the fabric when bags are stored outdoors."
    ],
    "standards_and_regulation": [
      "ISO 21898, Packaging - Flexible intermediate bulk containers (FIBCs) for non-dangerous goods, International Organization for Standardization.",
      "UN Recommendations on the Transport of Dangerous Goods, Model Regulations, United Nations."
    ],
    "what_it_is_for": [
      "Flexible intermediate bulk containers are used in agriculture, manufacturing and bulk logistics to hold powders, granules and other bulk solids.",
      "Their flexible bodies and lifting features support mechanical handling between filling, storage, transport and discharge operations.",
      "Suitability depends on the contents, handling conditions and the container's documented load and material compatibility limits."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q859592: flexible intermediate bulk container",
      "url": "https://www.wikidata.org/wiki/Q859592",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Flexible intermediate bulk container",
      "url": "https://en.wikipedia.org/wiki/Flexible_intermediate_bulk_container",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "flexible-container-identity",
        "name": "Flexible container identity",
        "description": "Recognises the flexible specialisation and identifies the complete configuration under assessment.",
        "rationale": "FIBC identity must distinguish the kind from its parent, an ordinary sack, a liner and a particular commercial design.",
        "layers": [
          {
            "id": "parent-and-boundary",
            "name": "Parent and boundary",
            "description": "Locates this kind within the intermediate bulk container family.",
            "findings": [
              {
                "id": "flexible-specialisation",
                "name": "Flexible specialisation",
                "description": "Record how flexible containment and the intended mechanical handling arrangement establish membership in this kind.",
                "questions": [
                  {
                    "text": "Which properties distinguish this entry from the broader intermediate bulk container entry?",
                    "kind": "boundary",
                    "id": "flexible-specialisation-q01"
                  },
                  {
                    "text": "What evidence separates an FIBC from an ordinary sack or a liner intended for a separate container?",
                    "kind": "definition",
                    "id": "flexible-specialisation-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "configuration-evidence",
            "name": "Configuration evidence",
            "description": "Links the observed construction to its design documentation.",
            "findings": [
              {
                "id": "documented-assembly",
                "name": "Documented assembly",
                "description": "Identify the body, attachments, liner and closures that together form the assessed configuration.",
                "questions": [
                  {
                    "text": "Which manufacturer record identifies the body, lifting arrangement, liner and closure combination?",
                    "kind": "provenance",
                    "id": "documented-assembly-q01"
                  },
                  {
                    "text": "Which substituted components or configuration changes would invalidate that record's applicability?",
                    "kind": "boundary",
                    "id": "documented-assembly-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "load-and-flexible-structure",
        "name": "Load and flexible structure",
        "description": "Connects payload and changing geometry to the fabric, seams and lifting attachments.",
        "rationale": "A flexible body requires a model of both its load path and its filled shape to support handling decisions.",
        "layers": [
          {
            "id": "payload-and-envelope",
            "name": "Payload and envelope",
            "description": "Distinguishes allowable mass from available volume and operating dimensions.",
            "findings": [
              {
                "id": "fill-limit-evidence",
                "name": "Fill limit evidence",
                "description": "Record the documented payload and capacity limits alongside the conditions used to interpret them.",
                "questions": [
                  {
                    "text": "What rated payload in kilograms applies to this configuration, and where is it documented?",
                    "kind": "measurement",
                    "id": "fill-limit-evidence-q01"
                  },
                  {
                    "text": "For the intended bulk density and filling process, what mass and filled envelope are expected?",
                    "kind": "measurement",
                    "id": "fill-limit-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "lifting-load-path",
            "name": "Lifting load path",
            "description": "Describes how the filled body's load reaches the lifting equipment.",
            "findings": [
              {
                "id": "attachment-engagement",
                "name": "Attachment engagement",
                "description": "Record the permitted engagement of lifting attachments and the condition of the connected load-bearing structure.",
                "questions": [
                  {
                    "text": "Which attachments must be engaged together, and what equipment geometry does the manufacturer permit?",
                    "kind": "action",
                    "id": "attachment-engagement-q01"
                  },
                  {
                    "text": "What damage to loops, attachment stitching, body panels or seams prevents the proposed lift?",
                    "kind": "action",
                    "id": "attachment-engagement-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "contents-and-containment",
        "name": "Contents and containment",
        "description": "Assesses the fabric, liner and closures against the intended contents and environment.",
        "rationale": "Mechanical capacity alone does not establish containment, cleanliness or electrostatic suitability.",
        "layers": [
          {
            "id": "material-and-leakage",
            "name": "Material and leakage",
            "description": "Connects product requirements to the complete containment assembly.",
            "findings": [
              {
                "id": "product-barrier-match",
                "name": "Product and barrier match",
                "description": "Record evidence for material compatibility, particle retention and any required moisture barrier or cleanliness level.",
                "questions": [
                  {
                    "text": "What evidence supports compatibility of the intended contents and filling temperature with the fabric, coating, liner and closures?",
                    "kind": "provenance",
                    "id": "product-barrier-match-q01"
                  },
                  {
                    "text": "What particle leakage, moisture transfer or contamination limits must the complete assembly satisfy?",
                    "kind": "measurement",
                    "id": "product-barrier-match-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "electrostatic-conditions",
            "name": "Electrostatic conditions",
            "description": "Makes electrostatic suitability dependent on evidence and actual operating conditions.",
            "findings": [
              {
                "id": "electrostatic-use-envelope",
                "name": "Electrostatic use envelope",
                "description": "Record the verified classification and restrictions for the container and liner combination.",
                "questions": [
                  {
                    "text": "Which source establishes the electrostatic classification of this exact container and liner combination?",
                    "kind": "provenance",
                    "id": "electrostatic-use-envelope-q01"
                  },
                  {
                    "text": "What grounding, atmosphere or product conditions must be satisfied before filling or discharge is permitted?",
                    "kind": "action",
                    "id": "electrostatic-use-envelope-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "filling-storage-and-discharge",
        "name": "Filling, storage and discharge",
        "description": "Models transitions between empty, filled, stored and discharged configurations.",
        "rationale": "Flexible walls, movable liners and configurable openings create operating requirements beyond those inherited from a generic container.",
        "layers": [
          {
            "id": "filling-and-closure",
            "name": "Filling and closure",
            "description": "Establishes the support, interface and closure conditions for filling.",
            "findings": [
              {
                "id": "supported-fill",
                "name": "Supported fill",
                "description": "Record how the bag and liner are positioned, supported, connected and closed.",
                "questions": [
                  {
                    "text": "What support and fill-head connection are required to position the body and liner during filling?",
                    "kind": "action",
                    "id": "supported-fill-q01"
                  },
                  {
                    "text": "How is the fill opening secured, and what observation establishes that the closure is complete?",
                    "kind": "action",
                    "id": "supported-fill-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "storage-and-emptying",
            "name": "Storage and emptying",
            "description": "Defines permitted support during storage and controlled release of contents.",
            "findings": [
              {
                "id": "storage-support",
                "name": "Storage support",
                "description": "Record evidence for the proposed base support, stacking arrangement and exposure conditions.",
                "questions": [
                  {
                    "text": "What documented conditions permit the proposed pallet, base support or stacking arrangement?",
                    "kind": "provenance",
                    "id": "storage-support-q01"
                  },
                  {
                    "text": "Which exposure limits apply while this filled or empty container is stored?",
                    "kind": "action",
                    "id": "storage-support-q02"
                  }
                ]
              },
              {
                "id": "controlled-emptying",
                "name": "Controlled emptying",
                "description": "Identify the intended discharge method and controls for opening movement, liner movement and interrupted flow.",
                "questions": [
                  {
                    "text": "How is the discharge opening accessed and operated while the container is supported?",
                    "kind": "action",
                    "id": "controlled-emptying-q01"
                  },
                  {
                    "text": "What documented response is permitted if contents bridge or the liner obstructs discharge?",
                    "kind": "action",
                    "id": "controlled-emptying-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "inspection-and-service-eligibility",
        "name": "Inspection and service eligibility",
        "description": "Connects condition, history and applicable evidence to use, quarantine or retirement.",
        "rationale": "An intact appearance or readable payload marking cannot alone establish eligibility for the next use.",
        "layers": [
          {
            "id": "condition-and-history",
            "name": "Condition and history",
            "description": "Captures observations and prior exposures relevant to the flexible assembly.",
            "findings": [
              {
                "id": "damage-and-contamination",
                "name": "Damage and contamination",
                "description": "Record inspection of the body, seams, loops, liner and closures together with relevant service history.",
                "questions": [
                  {
                    "text": "What cuts, abrasion, seam damage, loop wear, liner damage or contamination are present?",
                    "kind": "measurement",
                    "id": "damage-and-contamination-q01"
                  },
                  {
                    "text": "What previous contents, exposure or handling incidents are known, and which remain unknown?",
                    "kind": "provenance",
                    "id": "damage-and-contamination-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "evidence-and-next-use",
            "name": "Evidence and next use",
            "description": "Determines which documented requirements govern the proposed service.",
            "findings": [
              {
                "id": "service-authorisation-evidence",
                "name": "Service authorisation evidence",
                "description": "Link applicable design evidence, markings and reuse restrictions to the intended contents and operation.",
                "questions": [
                  {
                    "text": "Which standards, issuing bodies, test records and markings apply to this intended service and jurisdiction?",
                    "kind": "provenance",
                    "id": "service-authorisation-evidence-q01"
                  },
                  {
                    "text": "What evidence permits another use cycle, and which missing records or observed defects require quarantine or retirement?",
                    "kind": "action",
                    "id": "service-authorisation-evidence-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": [
                  "This is recall-based information; no sources or current standard editions were checked.",
                  "Capacity and load ranges are indicative commercial values, not universal limits or handling instructions.",
                  "Electrostatic suitability depends on the complete bag-and-liner arrangement, contents and atmosphere; researchers should verify detailed classification conditions."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of flexible intermediate bulk container 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": [
                  "Type A: no specified electrostatic protection",
                  "Type B: limits electrical breakdown but does not dissipate accumulated charge",
                  "Type C: conductive construction requiring grounding during use",
                  "Type D: static-protective construction designed to operate without grounding the container"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of flexible intermediate bulk container 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": "UN packaging identification code",
                    "value_or_pattern": "13H1, 13H2, 13H3, 13H4",
                    "note": "Codes for woven-plastics flexible IBCs differentiated by coating and liner configuration; a code alone does not establish approval for particular dangerous goods."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of flexible intermediate bulk container 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 21898, issued by the International Organization for Standardization: flexible intermediate bulk containers for non-dangerous goods.",
                  "IEC 61340-4-4, issued by the International Electrotechnical Commission: electrostatic classification of flexible intermediate bulk containers.",
                  "United Nations Recommendations on the Transport of Dangerous Goods, Model Regulations: construction, testing and marking provisions for IBCs used to transport dangerous goods."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of flexible intermediate bulk container 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": [
                  "Handling agricultural products such as grain, seed and fertilizer.",
                  "Transporting polymer granules and chemical powders.",
                  "Storing and moving mineral powders, sand and other construction materials.",
                  "Handling food ingredients in suitably specified containers."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of flexible intermediate bulk container 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": "Nominal internal volume",
                    "typical_range": "Approximately 0.5-2 for common commercial designs",
                    "unit": "m³"
                  },
                  {
                    "quantity": "Safe working load",
                    "typical_range": "Approximately 500-2000 for common commercial designs; the marked rating governs",
                    "unit": "kg"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of flexible intermediate bulk container 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": [
                  "Lifting-loop, seam or fabric failure caused by overload, damage or incorrect lifting.",
                  "Electrostatic discharge igniting a combustible dust cloud or flammable atmosphere when container selection or grounding is unsuitable.",
                  "Loss of containment through punctures, abrasion or improperly secured discharge openings.",
                  "Stack collapse or suspended-load movement causing crushing injuries.",
                  "Reduced fabric strength from ultraviolet exposure, chemical incompatibility or unsuitable reuse."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of flexible intermediate bulk container 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": [
                  "Common commercial names include bulk bag, big bag, jumbo bag and supersack; these names do not establish a technical specification.",
                  "Dangerous-goods requirements depend on transport mode and jurisdiction, although many systems implement UN-based provisions."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of flexible intermediate bulk container 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": "intermediate bulk container",
                    "difference": "The broader category includes rigid and composite designs; an FIBC specifically has a flexible containment body."
                  },
                  {
                    "name": "sack",
                    "difference": "An FIBC is designed for mechanical bulk handling; ordinary sacks are generally smaller packages handled individually."
                  },
                  {
                    "name": "flexitank",
                    "difference": "A flexitank is a flexible tank system commonly used for bulk liquids inside a freight container; an FIBC normally handles bulk solids."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of flexible intermediate bulk container this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which definition and boundary criteria should govern the distinction between FIBCs, ordinary bulk sacks and flexible liners in the registry?",
    "Which current standards and jurisdiction-specific requirements apply separately to ordinary bulk solids, dangerous goods and electrostatic applications?",
    "What payload, capacity and dimensional ranges can authoritative sources support without presenting common commercial sizes as defining limits?",
    "Which inspection, repair and reuse criteria are valid across designs, and which must remain manufacturer-specific?",
    "Which compatibility and electrostatic claims require evidence for the complete fabric, coating, liner and closure combination rather than individual materials?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 20,
    "questions": 31
  }
}
