{
    "model": {
        "rank": 2112,
        "code": "thing-q43663",
        "model_id": "vr.tr.sock",
        "name": "sock",
        "purpose": "Enable an AI agent to recognise a sock, assess its fit and condition for an intended wearer and use, and decide whether it may be worn, paired, cleaned, repaired or retired.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q43663/",
        "tier": 2,
        "score": 115,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "loose sock",
                "tabi",
                "KINEYA MUTEKI",
                "marathon tabi",
                "Gyōda tabi",
                "non-slip sock",
                "ragg sock",
                "missing sock",
                "over-the-knee sock",
                "high-thigh socks",
                "trampoline socks",
                "airline socks",
                "udones",
                "Christmas stocking",
                "woolen sock",
                "knee highs",
                "diabetic sock",
                "anklet",
                "baseball stirrups",
                "bobby sock",
                "boot sock",
                "crew sock",
                "dress sock",
                "hockey sock",
                "gym sock",
                "low-cut sock",
                "rugby sock",
                "smelly sock",
                "toe sock",
                "wywijki",
                "programming sock"
            ],
            "aliasCount": 31,
            "merged": 31,
            "knownIn": 115,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.sock",
            "source": {
                "dataset": "wikidata",
                "item": "Q43663",
                "url": "https://www.wikidata.org/wiki/Q43663",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:56:33Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.01067294,
                        "turns": 1,
                        "seconds": 118,
                        "error": null
                    },
                    "codex": {
                        "seconds": 76.2,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b47-acb7-7311-9e40-256ffab129f1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: sock\nRegistry id: vr.tr.sock\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model s"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q43663",
                "registryId": "vr.tr.sock",
                "name": "sock",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q43663/",
            "model": {
                "registry_id": "vr.tr.sock",
                "name": "sock",
                "purpose": "Enable an AI agent to recognise a sock, assess its fit and condition for an intended wearer and use, and decide whether it may be worn, paired, cleaned, repaired or retired.",
                "definition": "A knitted (occasionally cut-and-sewn) tubular hosiery garment that encloses the foot and a chosen length of the lower leg, worn next to the skin inside a shoe or boot to reduce friction, buffer shear, manage moisture and heat, and, in medical constructions, apply graduated compression.",
                "scope_statement": "This model owns an individual sock as a flexible foot garment, including its construction, fit, pairing relationships, intended function, observed condition and care constraints.",
                "in_scope": [
                    "Foot coverage, opening, heel and toe construction, and cuff height",
                    "Sock dimensions, labelled sizing, stretch and wearer-relative fit",
                    "Material composition, seams, cushioning and functional zones",
                    "Pair membership, left/right designation and matching compatibility",
                    "Cleanliness, moisture, wear, damage and loss of shape",
                    "Suitability for intended wear, cleaning, repair and retirement"
                ],
                "out_of_scope": [
                    "The wearer's anatomy, diagnoses and treatment plan",
                    "Shoes, boots and other footwear worn over the sock",
                    "Tights, stockings and garments whose identity depends on broader leg or body coverage",
                    "Laundry appliances, detergents and complete laundering processes",
                    "Textile production systems and fibre manufacturing",
                    "Retail packages, inventory lots and commercial transactions"
                ],
                "distinguishing_features": [
                    "Check whether it is a flexible garment shaped to receive and cover the foot, rather than a flat insert placed inside footwear.",
                    "Check whether its intended role is foot coverage with no separate trouser or body section; ambiguous long hosiery requires an explicit classification decision.",
                    "Inspect the underside and intended use to distinguish an ordinary sock or grip sock from footwear with a substantial sole designed for walking surfaces.",
                    "Check whether the article receives the foot through an opening and is retained around the foot or leg, rather than being a wrap or dressing secured over a local area.",
                    "Use foot shaping and the stated product identity to distinguish an open-toe sock from an ankle sleeve; absence of a closed toe alone does not settle the classification."
                ],
                "characteristics": [
                    {
                        "name": "Foot and leg coverage",
                        "kind": "category",
                        "unit_or_values": "toe coverage; heel coverage; no-show, ankle, crew, knee-high, other or uncertain height",
                        "why_it_matters": "Defines what the sock covers and helps resolve boundaries with sleeves and other hosiery."
                    },
                    {
                        "name": "Relaxed dimensions",
                        "kind": "measurement",
                        "unit_or_values": "Foot length, leg height and opening circumference in mm, with measurement method and laundering state",
                        "why_it_matters": "Supports size comparison and detection of shrinkage or distortion."
                    },
                    {
                        "name": "Labelled size",
                        "kind": "category",
                        "unit_or_values": "Size text and named sizing system, or unlabelled",
                        "why_it_matters": "A size label is interpretable only within its sizing system and does not establish actual fit."
                    },
                    {
                        "name": "Wearer-relative fit",
                        "kind": "state",
                        "unit_or_values": "Unassessed, suitable, loose, restrictive, slipping, bunching or mixed; with affected location",
                        "why_it_matters": "Determines whether the sock remains positioned without reported discomfort or interference."
                    },
                    {
                        "name": "Material composition",
                        "kind": "category",
                        "unit_or_values": "Declared fibres and percentages where available; source and unknown components",
                        "why_it_matters": "Informs care constraints and assessment against wearer material requirements."
                    },
                    {
                        "name": "Functional construction",
                        "kind": "category",
                        "unit_or_values": "Locations of cushioning, mesh, seams, grip elements, reinforcement and compression features",
                        "why_it_matters": "Connects the sock's physical construction to its intended use and possible pressure or wear points."
                    },
                    {
                        "name": "Pair and side assignment",
                        "kind": "relation",
                        "unit_or_values": "Mate identifier; confirmed, candidate or missing mate; left, right, interchangeable or unknown",
                        "why_it_matters": "Supports correct pairing without treating visual similarity as proof of compatibility."
                    },
                    {
                        "name": "Cleanliness and moisture",
                        "kind": "state",
                        "unit_or_values": "Cleanliness: clean, worn, visibly soiled or unknown; moisture: dry, damp, wet or unknown",
                        "why_it_matters": "Supports decisions about wear, washing, drying and storage."
                    },
                    {
                        "name": "Wear and structural damage",
                        "kind": "state",
                        "unit_or_values": "Location and severity of thinning, holes, seam failure, cuff relaxation, felting or grip loss",
                        "why_it_matters": "Identifies changes that may impair coverage, retention, comfort or intended function."
                    },
                    {
                        "name": "Care constraints",
                        "kind": "category",
                        "unit_or_values": "Labelled wash, bleach, drying and ironing instructions; source; unknown or conflicting instructions",
                        "why_it_matters": "Constrains cleaning actions that could shrink the sock or damage elastic and applied features."
                    }
                ],
                "affordances": [
                    "Match the sock with a compatible mate and assign the correct foot when sided.",
                    "Assess suitability for a specified wearer, shoe and activity using recorded fit and construction.",
                    "Inspect heel, toe, sole, seams and cuff for local damage or functional loss.",
                    "Select washing, drying and storage actions consistent with recorded care constraints.",
                    "Assess whether a local repair can preserve comfort, fit and intended function.",
                    "Remove the sock from an intended use or route it for reuse or disposal when its condition warrants."
                ]
            },
            "sources": [
                {
                    "id": "wikipedia-sock",
                    "title": "Sock",
                    "url": "https://en.wikipedia.org/wiki/Sock",
                    "what_it_supports": "Common kinds (crew, ankle, knee-high, toe, compression), construction as knitted hosiery, and distinction from stockings and tights.",
                    "url_status": "live"
                },
                {
                    "id": "wikidata-q36036",
                    "title": "sock (Q36036)",
                    "url": "https://www.wikidata.org/wiki/Q36036",
                    "what_it_supports": "Canonical Wikidata identifier for the garment class.",
                    "url_status": "live"
                },
                {
                    "id": "wco-hs-6115",
                    "title": "Harmonized System heading 6115: panty hose, tights, stockings, socks and other hosiery, knitted or crocheted",
                    "url": "",
                    "what_it_supports": "Customs classification of socks with other hosiery, including graduated-compression goods and the fibre-based subheadings 6115.94-6115.99."
                },
                {
                    "id": "eu-1007-2011",
                    "title": "Regulation (EU) No 1007/2011 on textile fibre names and related labelling and marking of the fibre composition of textile products",
                    "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32011R1007",
                    "what_it_supports": "Mandatory fibre-composition labelling of textile wearing apparel, including socks, in the EU.",
                    "url_status": "live"
                },
                {
                    "id": "ral-gz-387-1",
                    "title": "RAL-GZ 387/1 Medical Compression Hosiery",
                    "url": "",
                    "what_it_supports": "German quality mark that defines pressure classes (mmHg) and test methods for medical compression stockings/socks."
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "sock-identity-and-coverage",
                        "name": "Sock identity and coverage",
                        "description": "Establishes what article is being modelled and how it encloses the foot and extends onto the leg.",
                        "rationale": "Foot sleeves, hosiery and soft footwear can resemble socks while requiring different assessments and actions.",
                        "layers": [
                            {
                                "id": "foot-garment-boundary",
                                "name": "Foot garment boundary",
                                "description": "Records evidence supporting identification as a sock.",
                                "findings": [
                                    {
                                        "id": "article-classification",
                                        "name": "Article classification",
                                        "description": "The sock classification should be supported by observed form and stated use, with ambiguous cases preserved.",
                                        "questions": [
                                            {
                                                "text": "What observed foot enclosure, opening and retention features support identifying this article as a sock?",
                                                "kind": "definition",
                                                "id": "article-classification-q01"
                                            },
                                            {
                                                "text": "Does its sole, coverage or attachment make a slipper, stocking, sleeve or dressing model more appropriate?",
                                                "kind": "boundary",
                                                "id": "article-classification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "coverage-and-orientation",
                                "name": "Coverage and orientation",
                                "description": "Records toe, heel and leg coverage together with cues for positioning.",
                                "findings": [
                                    {
                                        "id": "coverage-map",
                                        "name": "Coverage map",
                                        "description": "The sock's openings and shaped regions determine intended coverage and orientation.",
                                        "questions": [
                                            {
                                                "text": "Which parts of the toes, heel, foot and leg are intended to be covered or exposed?",
                                                "kind": "definition",
                                                "id": "coverage-map-q01"
                                            },
                                            {
                                                "text": "What heel shaping, toe compartments, seam positions or markings establish how the sock should be oriented?",
                                                "kind": "action",
                                                "id": "coverage-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sock-fit-and-retention",
                        "name": "Sock fit and retention",
                        "description": "Relates size, shape and elastic behaviour to a particular foot and wearing arrangement.",
                        "rationale": "A sock's nominal size cannot establish whether its heel aligns, its toes have room or its cuff holds appropriately.",
                        "layers": [
                            {
                                "id": "size-and-shape",
                                "name": "Size and shape",
                                "description": "Records labelled sizing and measured geometry in a stated condition.",
                                "findings": [
                                    {
                                        "id": "size-evidence",
                                        "name": "Size evidence",
                                        "description": "Labelled size and measured dimensions provide distinct evidence about likely fit.",
                                        "questions": [
                                            {
                                                "text": "What size is declared, under which sizing system, and where was that declaration obtained?",
                                                "kind": "provenance",
                                                "id": "size-evidence-q01"
                                            },
                                            {
                                                "text": "What are the relaxed foot length, leg height and opening circumference, and were they measured before or after laundering?",
                                                "kind": "measurement",
                                                "id": "size-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "fit-during-wear",
                                "name": "Fit during wear",
                                "description": "Assesses local fit and retention with the intended wearer and footwear.",
                                "findings": [
                                    {
                                        "id": "position-and-pressure",
                                        "name": "Position and pressure",
                                        "description": "Fit assessment records alignment, movement and reported discomfort without inferring a medical diagnosis.",
                                        "questions": [
                                            {
                                                "text": "During intended movement, does the heel remain aligned and does the sock slip, twist or bunch inside the selected footwear?",
                                                "kind": "measurement",
                                                "id": "position-and-pressure-q01"
                                            },
                                            {
                                                "text": "Do toe space, seams or cuff tension cause reported discomfort that requires adjustment or stopping use?",
                                                "kind": "action",
                                                "id": "position-and-pressure-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sock-materials-and-functional-zones",
                        "name": "Sock materials and functional zones",
                        "description": "Records fibre evidence and the construction features associated with intended performance.",
                        "rationale": "Socks often vary across toe, heel, sole and leg regions, so a single material or thickness label can conceal relevant differences.",
                        "layers": [
                            {
                                "id": "fibres-and-contact-surfaces",
                                "name": "Fibres and contact surfaces",
                                "description": "Identifies known composition and skin-facing construction.",
                                "findings": [
                                    {
                                        "id": "composition-and-seams",
                                        "name": "Composition and seams",
                                        "description": "Composition declarations and observable contact features remain distinct from assumptions based on appearance.",
                                        "questions": [
                                            {
                                                "text": "Which fibres and proportions are documented, and does that information cover the cuff, reinforcement and applied grip material?",
                                                "kind": "provenance",
                                                "id": "composition-and-seams-q01"
                                            },
                                            {
                                                "text": "Where are raised seams, joins or coarse contact surfaces located relative to toes, heel and sole?",
                                                "kind": "measurement",
                                                "id": "composition-and-seams-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "performance-features",
                                "name": "Performance features",
                                "description": "Maps cushioning, ventilation, grip and compression features to their evidence and use constraints.",
                                "findings": [
                                    {
                                        "id": "feature-evidence-and-limits",
                                        "name": "Feature evidence and limits",
                                        "description": "Observable construction, manufacturer claims and measured performance are recorded separately.",
                                        "questions": [
                                            {
                                                "text": "Where are cushioning, mesh, reinforcement, grip or compression zones present, and which claimed benefits have supporting evidence?",
                                                "kind": "provenance",
                                                "id": "feature-evidence-and-limits-q01"
                                            },
                                            {
                                                "text": "If compression is claimed, what pressure specification, sizing guidance and use constraints are documented, and what remains unknown?",
                                                "kind": "boundary",
                                                "id": "feature-evidence-and-limits-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sock-pairing-and-wear-context",
                        "name": "Sock pairing and wear context",
                        "description": "Connects an individual sock to its mate and to the conditions in which it is intended to be worn.",
                        "rationale": "A usable individual sock may still be unsuitable for a selected pair, shoe or activity.",
                        "layers": [
                            {
                                "id": "mate-and-side",
                                "name": "Mate and side",
                                "description": "Records pair membership and any left/right distinction.",
                                "findings": [
                                    {
                                        "id": "pair-compatibility",
                                        "name": "Pair compatibility",
                                        "description": "Pairing considers size, construction, side assignment and condition as well as visual appearance.",
                                        "questions": [
                                            {
                                                "text": "What identifies the intended mate, and are either sock's left/right markings or asymmetric features significant?",
                                                "kind": "provenance",
                                                "id": "pair-compatibility-q01"
                                            },
                                            {
                                                "text": "Do differences in size, thickness, cuff retention or wear make the candidate mate unsuitable for the intended use?",
                                                "kind": "action",
                                                "id": "pair-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "footwear-and-activity",
                                "name": "Footwear and activity",
                                "description": "Assesses the sock within a specified wearing situation.",
                                "findings": [
                                    {
                                        "id": "contextual-suitability",
                                        "name": "Contextual suitability",
                                        "description": "Suitability depends on the intended shoe, activity, coverage needs and available evidence.",
                                        "questions": [
                                            {
                                                "text": "What footwear, activity, expected moisture exposure and foot or leg coverage requirements define the proposed use?",
                                                "kind": "definition",
                                                "id": "contextual-suitability-q01"
                                            },
                                            {
                                                "text": "Do the sock's thickness, height, seams and functional features meet those requirements, or is a wear check needed?",
                                                "kind": "action",
                                                "id": "contextual-suitability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sock-condition-and-care",
                        "name": "Sock condition and care",
                        "description": "Assesses cleanliness, local deterioration and permitted interventions.",
                        "rationale": "Sock decisions depend on high-wear regions and elastic retention, while cleaning and repair can alter fit or functional features.",
                        "layers": [
                            {
                                "id": "cleanliness-and-wear",
                                "name": "Cleanliness and wear",
                                "description": "Records moisture, soil and damage by affected sock region.",
                                "findings": [
                                    {
                                        "id": "wear-readiness",
                                        "name": "Wear readiness",
                                        "description": "Readiness for another wear is assessed from known use history, present cleanliness and structural condition.",
                                        "questions": [
                                            {
                                                "text": "Is the sock dry, damp or wet, and what wear history or visible soil supports its recorded cleanliness state?",
                                                "kind": "measurement",
                                                "id": "wear-readiness-q01"
                                            },
                                            {
                                                "text": "Where are holes, thinning, failed seams, stretched cuffs or missing grip elements, and how do they affect the proposed use?",
                                                "kind": "action",
                                                "id": "wear-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "cleaning-repair-and-retirement",
                                "name": "Cleaning, repair and retirement",
                                "description": "Determines interventions from care evidence and the function that must be preserved.",
                                "findings": [
                                    {
                                        "id": "permitted-next-treatment",
                                        "name": "Permitted next treatment",
                                        "description": "Treatment decisions use documented constraints and preserve uncertainty where care or repair suitability is unknown.",
                                        "questions": [
                                            {
                                                "text": "What washing and drying instructions apply, and do they address elastic, wool content, grip coatings or other special features present?",
                                                "kind": "provenance",
                                                "id": "permitted-next-treatment-q01"
                                            },
                                            {
                                                "text": "Can a proposed darn or seam repair preserve fit and comfort, or should the sock be removed from its intended use?",
                                                "kind": "action",
                                                "id": "permitted-next-treatment-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "No-show / invisible / liner socks",
                                            "Ankle / quarter socks",
                                            "Crew socks",
                                            "Knee-high / over-the-calf socks",
                                            "Dress / fine-gauge formal socks",
                                            "Athletic / sport socks",
                                            "Graduated compression socks (light support through medical class)",
                                            "Outdoor / hiking / thermal wool socks"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q36036",
                                                "note": "Item for the garment 'sock'."
                                            },
                                            {
                                                "scheme": "Harmonized System (WCO)",
                                                "value_or_pattern": "6115; 6115.94 wool, 6115.95 cotton, 6115.96 synthetic fibres, 6115.99 other; 6115.10 graduated compression hosiery",
                                                "note": "Socks sit in knitted hosiery heading 6115, not in footwear (Chapter 64), because they have no applied outer sole."
                                            },
                                            {
                                                "scheme": "UNSPSC",
                                                "value_or_pattern": "53102402",
                                                "note": "Commodity code 'Socks' under apparel."
                                            },
                                            {
                                                "scheme": "GTIN / UPC / EAN",
                                                "value_or_pattern": "retail GTIN-13 or UPC-A per SKU (size × colour × fibre)",
                                                "note": "Product-instance identifier, not a class code."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "WCO Harmonized System heading 6115 (World Customs Organization) - tariff classification of knitted socks and other hosiery.",
                                            "Regulation (EU) No 1007/2011 (European Union) - textile fibre names and fibre-composition labelling.",
                                            "Textile Fiber Products Identification Act and FTC Care Labeling Rule, 16 CFR 423 (United States) - fibre content and care labelling of wearing apparel.",
                                            "EN 13402 / ISO 8559 (CEN / ISO) - size designation of clothes and related body measurements used to map sock size to foot length.",
                                            "RAL-GZ 387/1 (RAL Deutsches Institut für Gütesicherung und Kennzeichnung) - medical compression hosiery pressure classes and testing.",
                                            "OEKO-TEX Standard 100 (OEKO-TEX Association) - limit values for harmful substances in textiles, widely specified for socks.",
                                            "CPSIA (United States CPSC) - children's product tracking, lead and phthalate limits when socks are marketed for children.",
                                            "REACH (European Union) - restriction of substances of very high concern in textile articles, including dyes and residual chemicals in hosiery."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Worn as the in-shoe next-to-skin layer in everyday dress, work and school, sold and laundered as matched pairs.",
                                            "Athletic use for moisture transport, blister reduction and cushioning in running, court sports and hiking boots.",
                                            "Medical and occupational use as graduated-compression socks for oedema, venous disease and long-haul travel or standing work.",
                                            "Issued in military and occupational clothing systems (boot socks, cold-weather liners) as a specified clothing item, not as footwear.",
                                            "Specialist forms: diabetic extra-depth seamless socks, anti-embolism (TED) stockings in hospital, split-toe tabi in Japan."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "Foot length / labelled size",
                                                "typical_range": "about 220-320 mm foot length, labelled EU 35-50 / US women's 5-12 / US men's 6-13",
                                                "unit": "mm (foot length) or regional shoe-size label"
                                            },
                                            {
                                                "quantity": "Leg coverage height (from heel to cuff, unstretched)",
                                                "typical_range": "about 20 (no-show) to 450 (over-calf)",
                                                "unit": "mm"
                                            },
                                            {
                                                "quantity": "Pair mass",
                                                "typical_range": "about 15-40 (fine dress) to 60-150 (heavy hiking)",
                                                "unit": "g"
                                            },
                                            {
                                                "quantity": "Ankle compression (graduated hosiery)",
                                                "typical_range": "8-15 light support; 15-20 / 20-30 / 30-40 medical classes 1-3",
                                                "unit": "mmHg"
                                            },
                                            {
                                                "quantity": "Elastane content (typical fashion/sport constructions)",
                                                "typical_range": "0-8 dress; up to about 20 in high-stretch sport or compression",
                                                "unit": "% by mass"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Hole formation at heel, toe and ball from abrasion against the shoe last and insole.",
                                            "Loss of cuff recovery (elastic fatigue), causing the sock to slip into the shoe.",
                                            "Felting shrinkage or progressive dimensional change after washing, especially untreated wool.",
                                            "Friction blisters and hot spots from poor fit, thick seams, or moisture-saturated fibres.",
                                            "Tourniquet effect or skin breakdown from compression socks that are the wrong size, rolled at the cuff, or worn with arterial disease.",
                                            "Contact dermatitis from disperse dyes, residual processing chemicals, or latex in older elastic yarns.",
                                            "Odour and bacterial colonisation of damp socks; in rare cases, contribution to tinea pedis when worn wet for long periods.",
                                            "Pair loss and size mismatch in institutional laundry; melting or glazing of synthetic yarns in high-heat dryers."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "English: US 'crew' vs UK 'ankle/sports'; UK 'trainer socks' and 'pop socks' (knee-highs) are common retail labels not used the same way in North America.",
                                            "'Stocking' in UK/Commonwealth often means a longer or sheer women's garment; in some technical and medical English it still covers compression hosiery that Americans would call a 'sock' if it ends below the knee.",
                                            "Japan: tabi (split-toe socks) and jika-tabi (split-toe work footwear) are everyday distinctions; Western closed-toe socks are a separate retail class.",
                                            "Size tickets follow local shoe-size systems (EU, UK, US, JP mondopoint-like cm), so the same last length is labelled differently.",
                                            "Hot-climate markets skew to thin cotton or synthetic ankle socks; cold-climate and alpine markets skew to terry-loop wool hiking constructions.",
                                            "German Socke vs Strumpf: Strumpf can mean sock or stocking depending on length and register; medical goods are usually Kompressionsstrümpfe."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "Stocking",
                                                "difference": "Typically longer (thigh or full-fashioned), often sheer and historically garter-supported; a sock is self-supporting at a cuff and usually ends at or below the knee."
                                            },
                                            {
                                                "name": "Pantyhose / tights",
                                                "difference": "A single garment covering both legs and the lower torso; a sock is a separate piece per foot and does not include a panty portion."
                                            },
                                            {
                                                "name": "Gaiter",
                                                "difference": "Worn over the boot or shoe to seal debris and snow; a sock is worn inside the shoe against the skin."
                                            },
                                            {
                                                "name": "Slipper or slipper-sock",
                                                "difference": "Intended as outer footwear, often with an applied or coated sole; HS Chapter 64 if it has an applied outer sole, whereas a sock remains Chapter 61 hosiery."
                                            },
                                            {
                                                "name": "Shoe insole / sockliner",
                                                "difference": "A component of the shoe, not a removable garment; it does not enclose the dorsum of the foot or the ankle."
                                            },
                                            {
                                                "name": "Leg warmer or calf compression sleeve",
                                                "difference": "Covers the lower leg but does not enclose the foot; a sock always has a closed or stirrup foot."
                                            },
                                            {
                                                "name": "Infant bootie",
                                                "difference": "Often worn without a shoe and may have a formed or non-slip sole; a sock is specified as in-shoe hosiery."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of sock this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Where should this registry draw the boundary between socks, long hosiery, foot sleeves and sock-like footwear, given that no definition is recorded?",
                "Which measurement methods and sizing references should be adopted for stretch, cuff retention and fit across sock constructions?",
                "What evidence and neighbouring model relationships are required before assessing therapeutic compression or other medical-use claims?",
                "Which condition thresholds justify repair or retirement for ordinary socks versus grip, protective or performance socks?",
                "How should the model distinguish an original matched pair from a functionally acceptable replacement pairing?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "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 sock, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a sock, assess its fit and condition for an intended wearer and use, and decide whether it may be worn, paired, cleaned, repaired or retired.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: loose sock, tabi, KINEYA MUTEKI, marathon tabi, Gyōda tabi, non-slip sock, ragg sock, missing sock, over-the-knee sock, high-thigh socks, trampoline socks, airline socks.",
                "31 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 115 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 sock, 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, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "loose sock",
                        "tabi",
                        "KINEYA MUTEKI",
                        "marathon tabi",
                        "Gyōda tabi",
                        "non-slip sock",
                        "ragg sock",
                        "missing sock",
                        "over-the-knee sock",
                        "high-thigh socks",
                        "trampoline socks",
                        "airline socks"
                    ]
                }
            ],
            "standing": "Described in 115 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 31 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one sock from another, and a sock 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 sock, 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 sock, 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 sock 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 sock, 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 sock, 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 sock 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 sock 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 sock, 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 sock, 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 sock 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 sock from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a sock, 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 sock, 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 sock 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 sock 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 sock, 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 sock, 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 sock 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 sock is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a sock, 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 sock, 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 sock 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 sock is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a sock, 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 sock, 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 sock 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 sock 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 sock is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a sock, 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 sock, 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 sock 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 sock 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 sock, 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 sock, 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 sock 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 sock 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 sock between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a sock, 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 sock, 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 sock 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 sock, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a sock 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 sock, 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 sock, 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 sock is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What sock is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does sock perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise sock, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How sock is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does sock have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does sock need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about sock is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about sock hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern sock, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a sock 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 sock and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a sock, 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 sock, 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 sock 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 sock is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a sock, 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 sock, 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 sock is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}