{
    "model": {
        "rank": 5387,
        "code": "thing-q189155",
        "model_id": "vr.tr.archimedes-screw",
        "name": "Archimedes' screw",
        "purpose": "Enable an AI agent to recognise an Archimedes' screw, assess its ability to transfer water across an elevation difference, and identify appropriate operating or maintenance actions.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q189155/",
        "tier": 2,
        "score": 67,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 67,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q189155",
                "url": "https://www.wikidata.org/wiki/Q189155",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:15:55Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 17.7,
                        "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: 01a0883c-e155-7ce2-89f4-334ac44557f8\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Archimedes' screw\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 10",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 69.4,
                        "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: 01a0883c-e145-7211-88af-a91566847bd3\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Archimedes' screw\nRegistry id: vr.tr.archimedes-screw\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q189155",
                "registryId": "vr.tr.archimedes-screw",
                "name": "Archimedes' screw",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q189155/",
            "model": {
                "registry_id": "vr.tr.archimedes-screw",
                "name": "Archimedes' screw",
                "purpose": "Enable an AI agent to recognise an Archimedes' screw, assess its ability to transfer water across an elevation difference, and identify appropriate operating or maintenance actions.",
                "definition": "An Archimedes' screw is a rotary machine whose helical flights form successive water-holding pockets within an inclined trough or casing, lifting water when driven or extracting mechanical power when water flows downward through it.",
                "scope_statement": "This model owns the Archimedes' screw as a kind of helical water-transfer machine, including its geometry, water-retaining arrangement, rotary drive, hydraulic behaviour and condition; product designs and installed units supply values to this model rather than define its identity.",
                "in_scope": [
                    "Identification of a rotating helical water-lifting mechanism and its variants",
                    "Screw, shaft, trough or tube, bearings and their functional relationships",
                    "Water capture, retention, elevation and discharge",
                    "Drive direction, speed, loading and operating states",
                    "Wear, blockage, access hazards and maintenance constraints"
                ],
                "out_of_scope": [
                    "General-purpose augers and screw conveyors primarily transporting bulk solids",
                    "Screw fasteners and lead screws translating motion or applying force",
                    "Pressurised positive-displacement screw pumps with enclosed pumping chambers",
                    "Whole irrigation, drainage or wastewater networks served by the screw",
                    "Site-wide civil works and electrical distribution systems",
                    "Electricity-generation systems using descending water to drive a screw turbine"
                ],
                "distinguishing_features": [
                    "A helix rotates about an axis inclined to the horizontal and transfers water toward a higher outlet.",
                    "The helix and its surrounding trough or tube form successive water-holding spaces; an exposed auger alone does not establish this identity.",
                    "Its primary transfer mechanism is the progression of retained water along the helix, rather than centrifugal acceleration by an impeller.",
                    "Its intended duty is water lifting, potentially with entrained material, rather than threaded fastening or axial movement of a nut.",
                    "Mechanical energy drives water uphill in the modelled operating mode; a geometrically similar screw extracting energy from downhill flow belongs to the neighbouring turbine model."
                ],
                "characteristics": [
                    {
                        "name": "Water-retaining construction",
                        "kind": "category",
                        "unit_or_values": "Stationary open trough; stationary enclosing tube; rotating enclosing tube; other documented construction",
                        "why_it_matters": "Determines how water pockets form, which interfaces move and where leakage or access hazards arise."
                    },
                    {
                        "name": "Screw outer diameter",
                        "kind": "measurement",
                        "unit_or_values": "m",
                        "why_it_matters": "Establishes a principal geometric scale for fit, water capacity and clearance assessment."
                    },
                    {
                        "name": "Helical pitch and number of starts",
                        "kind": "measurement",
                        "unit_or_values": "Pitch in m per turn of one helix; number of starts as an integer",
                        "why_it_matters": "Describes pocket geometry without confusing pitch with spacing between adjacent flights."
                    },
                    {
                        "name": "Axis inclination",
                        "kind": "measurement",
                        "unit_or_values": "degrees above horizontal",
                        "why_it_matters": "Affects water retention and the elevation achievable over the installed length."
                    },
                    {
                        "name": "Flight-to-enclosure clearance",
                        "kind": "measurement",
                        "unit_or_values": "mm at documented locations and conditions; not applicable where the flight and enclosure are joined",
                        "why_it_matters": "Supports assessment of leakage, rubbing and wear in constructions with relative motion at this interface."
                    },
                    {
                        "name": "Hydraulic lift",
                        "kind": "measurement",
                        "unit_or_values": "m between specified inlet and outlet water-level references",
                        "why_it_matters": "Defines the elevation duty independently of screw length or inclination."
                    },
                    {
                        "name": "Delivered flow",
                        "kind": "measurement",
                        "unit_or_values": "m³/s with associated speed, inlet level and outlet condition",
                        "why_it_matters": "Allows performance comparisons only when the operating conditions are known."
                    },
                    {
                        "name": "Inlet immersion",
                        "kind": "measurement",
                        "unit_or_values": "m relative to a stated screw or inlet datum",
                        "why_it_matters": "Helps explain whether incoming water can fill the lifting pockets."
                    },
                    {
                        "name": "Rotation",
                        "kind": "state",
                        "unit_or_values": "Stopped or rotating; rpm; direction stated from a named viewing end",
                        "why_it_matters": "Connects screw handedness and drive motion to the intended transfer direction."
                    },
                    {
                        "name": "Drive and transmission",
                        "kind": "relation",
                        "unit_or_values": "Associated manual, motor or other rotary power source and transmission",
                        "why_it_matters": "Identifies how motion is supplied, controlled and isolated."
                    },
                    {
                        "name": "Permitted water and entrained material",
                        "kind": "category",
                        "unit_or_values": "Documented liquid properties, solids size and loading, and excluded debris",
                        "why_it_matters": "Prevents assuming that every screw tolerates the same abrasive, fibrous or obstructive material."
                    },
                    {
                        "name": "Service condition",
                        "kind": "state",
                        "unit_or_values": "Available; operating; restricted; blocked; faulted; isolated for maintenance; condition unknown",
                        "why_it_matters": "Separates physical capability from whether operation or intervention is currently permitted."
                    }
                ],
                "affordances": [
                    "Classify a candidate mechanism as a water-lifting Archimedes' screw or a neighbouring screw device.",
                    "Compare a proposed lifting duty with documented geometry and operating limits.",
                    "Diagnose reduced delivery using water levels, rotation, pocket filling, leakage and obstruction evidence.",
                    "Identify prerequisites for starting, stopping or changing speed within the documented operating envelope.",
                    "Plan inspection and maintenance of flights, enclosure, bearings and drive interfaces.",
                    "Determine which isolation and access conditions must be verified before clearing debris or entering the trough area."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-construction",
                        "name": "Identity and construction",
                        "description": "Establishes which screw mechanism is being modelled and how it retains water.",
                        "rationale": "Helical appearance alone cannot distinguish a water-lifting screw from an auger, fastener or turbine.",
                        "layers": [
                            {
                                "id": "lifting-mechanism",
                                "name": "Lifting mechanism",
                                "description": "Tests whether rotation advances retained water toward a higher outlet.",
                                "findings": [
                                    {
                                        "id": "water-lifting-identity",
                                        "name": "Water-lifting identity",
                                        "description": "Record the intended medium, elevation change and direction of energy transfer.",
                                        "questions": [
                                            {
                                                "text": "Does driven rotation transfer water from a lower inlet to a higher outlet through successive helical spaces?",
                                                "kind": "definition",
                                                "id": "water-lifting-identity-q01"
                                            },
                                            {
                                                "text": "What distinguishes this design from a solids auger, a pressurised screw pump or a screw turbine?",
                                                "kind": "boundary",
                                                "id": "water-lifting-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "retaining-assembly",
                                "name": "Retaining assembly",
                                "description": "Identifies the surfaces forming water pockets and their relative motion.",
                                "findings": [
                                    {
                                        "id": "flight-and-enclosure-arrangement",
                                        "name": "Flight and enclosure arrangement",
                                        "description": "Record whether the enclosure is open or closed, stationary or rotating, and how it meets the flights.",
                                        "questions": [
                                            {
                                                "text": "Which flight, shaft and enclosure surfaces bound each water-holding space?",
                                                "kind": "definition",
                                                "id": "flight-and-enclosure-arrangement-q01"
                                            },
                                            {
                                                "text": "Which of those surfaces rotate together, and which interfaces have running clearances?",
                                                "kind": "boundary",
                                                "id": "flight-and-enclosure-arrangement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "geometry-and-installation",
                        "name": "Geometry and installation",
                        "description": "Connects screw dimensions and placement to pocket formation and lifting duty.",
                        "rationale": "Diameter alone cannot establish whether a screw will retain and lift water in a particular installation.",
                        "layers": [
                            {
                                "id": "helical-geometry",
                                "name": "Helical geometry",
                                "description": "Defines the helix and the dimensions needed to interpret its water spaces.",
                                "findings": [
                                    {
                                        "id": "pocket-defining-dimensions",
                                        "name": "Pocket-defining dimensions",
                                        "description": "Record diameter, shaft size, pitch, starts, handedness and active length with consistent definitions.",
                                        "questions": [
                                            {
                                                "text": "What are the outer diameter, shaft diameter, active length, pitch and number of starts?",
                                                "kind": "measurement",
                                                "id": "pocket-defining-dimensions-q01"
                                            },
                                            {
                                                "text": "How are pitch and handedness defined in the drawing so that adjacent-flight spacing and viewing direction are unambiguous?",
                                                "kind": "definition",
                                                "id": "pocket-defining-dimensions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "installed-water-path",
                                "name": "Installed water path",
                                "description": "Relates the inclined axis and end geometry to inlet and outlet water levels.",
                                "findings": [
                                    {
                                        "id": "inclination-and-end-levels",
                                        "name": "Inclination and end levels",
                                        "description": "Record inclination, immersion and discharge geometry against explicit reference points.",
                                        "questions": [
                                            {
                                                "text": "What are the axis inclination, inlet immersion and inlet-to-outlet water-level difference?",
                                                "kind": "measurement",
                                                "id": "inclination-and-end-levels-q01"
                                            },
                                            {
                                                "text": "Which inlet and outlet level ranges are supported by design documentation or observed operation?",
                                                "kind": "provenance",
                                                "id": "inclination-and-end-levels-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "water-transfer-performance",
                        "name": "Water-transfer performance",
                        "description": "Captures filling, retention, discharge and measured delivery under stated conditions.",
                        "rationale": "A screw can rotate while delivering poorly because water entry, retention or discharge is impaired.",
                        "layers": [
                            {
                                "id": "pocket-filling-and-loss",
                                "name": "Pocket filling and loss",
                                "description": "Examines how water enters the screw and where intended retention fails.",
                                "findings": [
                                    {
                                        "id": "retention-and-leakage",
                                        "name": "Retention and leakage",
                                        "description": "Separate inadequate filling from leakage through clearances or spill between pockets.",
                                        "questions": [
                                            {
                                                "text": "At the observed inlet level and speed, do successive pockets fill consistently?",
                                                "kind": "measurement",
                                                "id": "retention-and-leakage-q01"
                                            },
                                            {
                                                "text": "Where is water escaping before the outlet, and what evidence links that loss to clearance, damage or operating conditions?",
                                                "kind": "measurement",
                                                "id": "retention-and-leakage-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "duty-and-energy",
                                "name": "Duty and energy",
                                "description": "Records delivery and input effort at comparable operating points.",
                                "findings": [
                                    {
                                        "id": "verified-operating-point",
                                        "name": "Verified operating point",
                                        "description": "Associate delivered flow and input power with lift, speed, water properties and measurement boundaries.",
                                        "questions": [
                                            {
                                                "text": "What flow is delivered at the stated lift, rotational speed and inlet and outlet levels?",
                                                "kind": "measurement",
                                                "id": "verified-operating-point-q01"
                                            },
                                            {
                                                "text": "Is input power measured at the screw shaft or upstream of the drive, and which losses are included in any efficiency claim?",
                                                "kind": "boundary",
                                                "id": "verified-operating-point-q02"
                                            },
                                            {
                                                "text": "Which tested or manufacturer-supported operating envelope permits the proposed duty?",
                                                "kind": "provenance",
                                                "id": "verified-operating-point-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "rotation-and-operating-control",
                        "name": "Rotation and operating control",
                        "description": "Connects the drive, screw handedness and water conditions to permitted operation.",
                        "rationale": "Useful lifting depends on appropriate rotation and load conditions, not merely an energised drive.",
                        "layers": [
                            {
                                "id": "drive-to-screw-motion",
                                "name": "Drive-to-screw motion",
                                "description": "Records how the power source produces the required screw motion.",
                                "findings": [
                                    {
                                        "id": "direction-speed-and-load",
                                        "name": "Direction, speed and load",
                                        "description": "Establish direction conventions, permissible speed and drive loading evidence.",
                                        "questions": [
                                            {
                                                "text": "From the named viewing end, which rotation direction lifts water for this screw handedness?",
                                                "kind": "definition",
                                                "id": "direction-speed-and-load-q01"
                                            },
                                            {
                                                "text": "What documented speed and torque limits apply to the screw and its transmission?",
                                                "kind": "provenance",
                                                "id": "direction-speed-and-load-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operating-transitions",
                                "name": "Operating transitions",
                                "description": "Defines evidence needed to start, adjust or stop a water-loaded screw.",
                                "findings": [
                                    {
                                        "id": "start-stop-and-fault-response",
                                        "name": "Start, stop and fault response",
                                        "description": "Record permitted transitions and responses to abnormal rotation, loading or water levels.",
                                        "questions": [
                                            {
                                                "text": "Which inlet, outlet, obstruction and drive conditions must be checked before starting or changing speed?",
                                                "kind": "action",
                                                "id": "start-stop-and-fault-response-q01"
                                            },
                                            {
                                                "text": "What documented response applies to a jam, overload or unintended reversal, and can retained water cause motion after power loss?",
                                                "kind": "action",
                                                "id": "start-stop-and-fault-response-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "wear-access-and-service",
                        "name": "Wear, access and service",
                        "description": "Assesses deterioration and the conditions for intervention around the helix and waterway.",
                        "rationale": "Flight damage, changing clearances and access to rotating water-handling parts affect both delivery and service decisions.",
                        "layers": [
                            {
                                "id": "wetted-and-supported-parts",
                                "name": "Wetted and supported parts",
                                "description": "Examines the flights, enclosure, shaft supports and lubrication arrangements where fitted.",
                                "findings": [
                                    {
                                        "id": "wear-and-obstruction-evidence",
                                        "name": "Wear and obstruction evidence",
                                        "description": "Record deterioration and debris in terms of their effects on pocket retention and free rotation.",
                                        "questions": [
                                            {
                                                "text": "Where are flight deformation, corrosion, abrasive wear, rubbing or debris accumulation present?",
                                                "kind": "measurement",
                                                "id": "wear-and-obstruction-evidence-q01"
                                            },
                                            {
                                                "text": "Which measured clearances, bearing observations or lubrication requirements justify continued service, adjustment or replacement?",
                                                "kind": "action",
                                                "id": "wear-and-obstruction-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "safe-access-and-applicability",
                                "name": "Safe access and applicability",
                                "description": "Identifies access controls and requirements applicable to the particular screw construction and duty.",
                                "findings": [
                                    {
                                        "id": "intervention-prerequisites",
                                        "name": "Intervention prerequisites",
                                        "description": "Record guards, isolation points and water-control measures that govern access to flights and drive components.",
                                        "questions": [
                                            {
                                                "text": "Before clearing debris or accessing the trough, how are drive energy, unintended rotation and incoming water controlled and verified?",
                                                "kind": "action",
                                                "id": "intervention-prerequisites-q01"
                                            },
                                            {
                                                "text": "Which guards, interlocks or emergency controls are fitted, and what evidence establishes their working state?",
                                                "kind": "measurement",
                                                "id": "intervention-prerequisites-q02"
                                            },
                                            {
                                                "text": "Which jurisdiction- and application-specific standards or conformity requirements apply, who issues them, and what evidence demonstrates compliance?",
                                                "kind": "provenance",
                                                "id": "intervention-prerequisites-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": [
                                            "This describes the device family, including pumping and turbine applications, rather than a particular product or installed unit.",
                                            "The angle range is indicative for conventional open-trough pumps; dimensions, flow capacity, rotational speed and head require application-specific verification.",
                                            "The traditional attribution to Archimedes should not be treated as a settled claim about the device's earliest invention."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of Archimedes' screw 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": [
                                            "Open-trough screw pump",
                                            "Enclosed screw pump",
                                            "Archimedes screw turbine"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of Archimedes' screw 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": [
                                            "Lifting irrigation water from canals or rivers",
                                            "Draining low-lying land",
                                            "Lifting wastewater at treatment works and pumping stations",
                                            "Generating electricity at low-head hydropower sites"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of Archimedes' screw 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": "Installation angle of conventional open-trough screw pumps",
                                                "typical_range": "Approximately 20-40 above horizontal; installation dependent",
                                                "unit": "degree"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of Archimedes' screw 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": [
                                            "Entrapment or crushing at exposed rotating flights, drive components and trough clearances",
                                            "Jamming or drive overload caused by large debris",
                                            "Wear of flights and trough surfaces, increasing leakage and reducing performance",
                                            "Bearing, gearbox or lubrication failure",
                                            "Corrosion and abrasion in wastewater or sediment-laden service"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of Archimedes' screw 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": "Screw conveyor",
                                                "difference": "Primarily transports bulk solids along a trough or tube; the conventional Archimedes screw pump lifts water in successive pockets."
                                            },
                                            {
                                                "name": "Progressive cavity pump",
                                                "difference": "Uses an eccentric helical rotor within a matching stator to move sealed cavities, rather than flights rotating in a conventional screw-pump trough."
                                            },
                                            {
                                                "name": "Axial-flow pump",
                                                "difference": "Transfers momentum through a propeller-like impeller rather than carrying water in successive pockets along an inclined screw."
                                            },
                                            {
                                                "name": "Archimedes screw turbine",
                                                "difference": "Is a generating application of the screw principle: descending water drives the rotor, whereas pumping requires external shaft power to lift water."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Archimedes' screw this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend to include flexible helical-tube water lifters or reversible pump-turbine designs under this entry?",
                "Which authoritative sources establish operating ranges for diameter, pitch, inclination, speed, lift and flow across materially different constructions?",
                "How should permissible solids, fibrous debris and abrasive loading be characterised without generalising wastewater-service capabilities to every design?",
                "Which inspection limits and failure indicators are supported for flight clearances, bearings and enclosures in each construction variant?",
                "Which current standards, issuing bodies and conformity requirements apply to manual, irrigation and wastewater installations in the intended jurisdictions?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 16,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "unclassified",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a Archimedes' screw, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise an Archimedes' screw, assess its ability to transfer water across an elevation difference, and identify appropriate operating or maintenance actions.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Described in 67 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a Archimedes' screw, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form and material. The registry holds no appearance data, so what a Archimedes' screw looks like has to come from research."
            ],
            "relatedModels": [],
            "standing": "Described in 67 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one Archimedes' screw from another, and a Archimedes' screw from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a Archimedes' screw sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a Archimedes' screw from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a Archimedes' screw is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a Archimedes' screw is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a Archimedes' screw is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a Archimedes' screw is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a Archimedes' screw is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a Archimedes' screw is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a Archimedes' screw passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a Archimedes' screw between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a Archimedes' screw, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a Archimedes' screw is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a Archimedes' screw and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a Archimedes' screw is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a Archimedes' screw performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a Archimedes' screw.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a Archimedes' screw at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a Archimedes' screw came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a Archimedes' screw and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a Archimedes' screw is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a Archimedes' screw, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a Archimedes' screw, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a Archimedes' screw is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 13,
                "findings": 15,
                "questions": 45
            }
        }
    }
}