{
    "model": {
        "rank": 6097,
        "code": "thing-q165596",
        "model_id": "vr.tr.cache",
        "name": "cache",
        "purpose": "Enable an AI agent to recognise a physical cache, assess whether its stored contents remain recoverable and usable, and determine which inspection, retrieval or replenishment actions are permitted.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q165596/",
        "tier": 2,
        "score": 62,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "cache memory",
                "HTTP Caching",
                "segment descriptor",
                "ARP cache",
                "disk cache",
                "logical volume caching software",
                "negative cache",
                "web cache"
            ],
            "aliasCount": 8,
            "merged": 8,
            "knownIn": 62,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.cache",
            "source": {
                "dataset": "wikidata",
                "item": "Q165596",
                "url": "https://www.wikidata.org/wiki/Q165596",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T11:30:36Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00289544,
                        "turns": 1,
                        "seconds": 30.1,
                        "error": null
                    },
                    "codex": {
                        "seconds": 66,
                        "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: 01a07ba1-6af6-7531-931b-de0a0dfef6b8\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: cache\nRegistry id: vr.tr.cache\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q165596",
                "registryId": "vr.tr.cache",
                "name": "cache",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q165596/",
            "model": {
                "registry_id": "vr.tr.cache",
                "name": "cache",
                "purpose": "Enable an AI agent to recognise a physical cache, assess whether its stored contents remain recoverable and usable, and determine which inspection, retrieval or replenishment actions are permitted.",
                "definition": "A cache is a deliberately concealed deposit of goods, supplies, or objects left in a place so they can be recovered later by the depositor or by designated others, rather than being stored in an ordinary warehouse or dwelling.",
                "scope_statement": "This model owns a physical cache as an intentionally placed reserve of material items for later recovery, including its placement, concealment where applicable, access arrangements and readiness; this interpretation is provisional because the registry records no definition.",
                "in_scope": [
                    "Evidence that material items were deliberately set aside for later recovery",
                    "The relationship between cached contents, their container or hiding place and their recovery location",
                    "Contents accounting, depletion, replenishment and readiness for the intended use",
                    "Concealment, discoverability and controlled disclosure of recovery information",
                    "Physical recovery requirements, custody and permissions"
                ],
                "out_of_scope": [
                    "Computer caches, cached digital data and cache replacement algorithms",
                    "General warehouse, stockroom and distribution operations",
                    "Detailed specifications and intrinsic condition models for individual stored items",
                    "The surrounding land, building or landscape beyond its effect on cache recovery",
                    "Geocaching game rules, participant accounts and visit scoring",
                    "Abandoned refuse or incidental accumulations without evidence of deliberate storage"
                ],
                "distinguishing_features": [
                    "There is evidence of deliberate placement for later recovery; an accidental pile or discarded collection lacks this evidence.",
                    "The collection has a reserve or delayed-recovery role; routine working inventory alone does not establish a cache.",
                    "A cache can persist when its container is replaced, while an empty container without a reserve function is not sufficient to establish a cache.",
                    "Hiddenness alone is insufficient: a concealed object must also have evidence of being held for later recovery.",
                    "The referent consists of physical stored items and their recovery arrangement, rather than a temporary digital copy used to accelerate computation."
                ],
                "characteristics": [
                    {
                        "name": "Evidence of caching intent",
                        "kind": "category",
                        "unit_or_values": "documented placement; observed placement; inferred placement; unknown",
                        "why_it_matters": "Separates an intentional cache from an incidental accumulation without treating inference as fact."
                    },
                    {
                        "name": "Reserve purpose",
                        "kind": "category",
                        "unit_or_values": "Recorded intended future use, beneficiary and recovery trigger; unknown permitted",
                        "why_it_matters": "Provides the basis for judging whether the contents are sufficient and whether retrieval is appropriate."
                    },
                    {
                        "name": "Recovery location",
                        "kind": "relation",
                        "unit_or_values": "Relation to a physical site, with locator method, precision and verification date",
                        "why_it_matters": "A cache cannot be treated as recoverable solely because a location description exists."
                    },
                    {
                        "name": "Contents balance",
                        "kind": "measurement",
                        "unit_or_values": "Count, mass or volume by item or material type, using appropriate units and observation dates",
                        "why_it_matters": "Supports comparison between the intended reserve and what is actually available."
                    },
                    {
                        "name": "Contents usability",
                        "kind": "state",
                        "unit_or_values": "usable; partly usable; unusable; unverified, assessed against intended use",
                        "why_it_matters": "Presence does not establish that stored supplies can fulfil their purpose."
                    },
                    {
                        "name": "Recovery readiness",
                        "kind": "state",
                        "unit_or_values": "recoverable now; recoverable with prerequisites; temporarily inaccessible; unrecoverable; unknown",
                        "why_it_matters": "Distinguishes having supplies in reserve from being able to obtain them when needed."
                    },
                    {
                        "name": "Concealment condition",
                        "kind": "state",
                        "unit_or_values": "intentionally visible; concealment verified; concealment suspected compromised; exposed; unknown",
                        "why_it_matters": "Records whether discovery conditions still match the cache's intended arrangement."
                    },
                    {
                        "name": "Recovery authority",
                        "kind": "relation",
                        "unit_or_values": "Actors linked to permission to locate, inspect, withdraw, replenish, relocate or disclose",
                        "why_it_matters": "Physical ability to recover contents does not establish permission to do so."
                    }
                ],
                "affordances": [
                    "Record or verify recovery instructions with appropriate restrictions on location disclosure.",
                    "Inspect the cache and reconcile observed contents with the expected reserve.",
                    "Assess whether contents and access conditions satisfy a specified recovery need.",
                    "Retrieve authorised quantities and record the resulting depletion.",
                    "Replenish, rotate or reseal contents when authorised and compatible with the reserve purpose.",
                    "Relocate or retire the cache while preserving its recovery history and accounting for remaining contents."
                ]
            },
            "sources": [
                {
                    "id": "src-1",
                    "title": "Internal knowledge of physical-object and computing uses of cache",
                    "url": "",
                    "what_it_supports": "Working definition pending local registry check"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "cache-identity-and-intent",
                        "name": "Cache identity and intent",
                        "description": "Establishes why this physical collection is treated as a cache and what future recovery it serves.",
                        "rationale": "Neither a hidden container nor a collection of supplies establishes a cache without a reserve or recovery role.",
                        "layers": [
                            {
                                "id": "deliberate-reserve",
                                "name": "Deliberate reserve",
                                "description": "Records the evidence for intentional placement and deferred use.",
                                "findings": [
                                    {
                                        "id": "caching-intent",
                                        "name": "Caching intent",
                                        "description": "An account of who placed or designated the reserve, for what purpose, and how that account is supported.",
                                        "questions": [
                                            {
                                                "text": "What evidence shows that these items were deliberately set aside for later recovery rather than lost, discarded or routinely shelved?",
                                                "kind": "definition",
                                                "id": "caching-intent-q01"
                                            },
                                            {
                                                "text": "Who supplied the account of placement and intended use, and is that account observed, documented or inferred?",
                                                "kind": "provenance",
                                                "id": "caching-intent-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "cache-continuity",
                                "name": "Cache continuity",
                                "description": "Determines what belongs to this cache and which changes preserve its identity.",
                                "findings": [
                                    {
                                        "id": "reserve-boundary",
                                        "name": "Reserve boundary",
                                        "description": "The explicit boundary between this cache, its housing and neighbouring reserves.",
                                        "questions": [
                                            {
                                                "text": "Which items and storage positions form this cache, and what makes nearby stored items a separate reserve?",
                                                "kind": "boundary",
                                                "id": "reserve-boundary-q01"
                                            },
                                            {
                                                "text": "Does replacing the container, moving the reserve or emptying it temporarily preserve this cache's identity under the adopted convention?",
                                                "kind": "definition",
                                                "id": "reserve-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "placement-and-recovery",
                        "name": "Placement and recovery",
                        "description": "Captures how an authorised recoverer can locate and physically reach the stored reserve.",
                        "rationale": "A cache may exist and contain usable items while inaccurate directions or access barriers prevent recovery.",
                        "layers": [
                            {
                                "id": "recovery-locator",
                                "name": "Recovery locator",
                                "description": "Describes the cache's position at the precision needed to recover it.",
                                "findings": [
                                    {
                                        "id": "locator-reliability",
                                        "name": "Locator reliability",
                                        "description": "Recovery directions with their uncertainty, dependencies and last successful verification.",
                                        "questions": [
                                            {
                                                "text": "What coordinates, landmarks, depth, compartment reference or other directions identify the actual storage position?",
                                                "kind": "measurement",
                                                "id": "locator-reliability-q01"
                                            },
                                            {
                                                "text": "When and by whom were these directions last confirmed through observation or successful recovery?",
                                                "kind": "provenance",
                                                "id": "locator-reliability-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "physical-extraction",
                                "name": "Physical extraction",
                                "description": "Records the conditions and resources required to reach and remove contents.",
                                "findings": [
                                    {
                                        "id": "recovery-prerequisites",
                                        "name": "Recovery prerequisites",
                                        "description": "The access window, tools, effort and physical constraints relevant to recovering the reserve.",
                                        "questions": [
                                            {
                                                "text": "What route conditions, keys, tools, lifting capacity or excavation requirements must be satisfied before contents can be recovered?",
                                                "kind": "action",
                                                "id": "recovery-prerequisites-q01"
                                            },
                                            {
                                                "text": "What recovery time and removable quantity have been demonstrated under the relevant access conditions?",
                                                "kind": "measurement",
                                                "id": "recovery-prerequisites-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "reserve-sufficiency-and-preservation",
                        "name": "Reserve sufficiency and preservation",
                        "description": "Assesses whether the cache holds enough usable material for its recorded purpose.",
                        "rationale": "An intact hiding place can contain a depleted or degraded reserve, so existence and readiness require separate judgments.",
                        "layers": [
                            {
                                "id": "contents-accounting",
                                "name": "Contents accounting",
                                "description": "Tracks expected and observed holdings, including uncertainty caused by unverified movements.",
                                "findings": [
                                    {
                                        "id": "available-reserve",
                                        "name": "Available reserve",
                                        "description": "The quantities believed present and their adequacy for the intended recovery need.",
                                        "questions": [
                                            {
                                                "text": "What quantities of each item or material were last observed, and which later deposits or withdrawals remain unverified?",
                                                "kind": "measurement",
                                                "id": "available-reserve-q01"
                                            },
                                            {
                                                "text": "What quantities and combinations are required for the cache's intended use, and where does the available reserve fall short?",
                                                "kind": "measurement",
                                                "id": "available-reserve-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "storage-survival",
                                "name": "Storage survival",
                                "description": "Relates conditions at the cache to the continuing usability of its contents.",
                                "findings": [
                                    {
                                        "id": "preservation-evidence",
                                        "name": "Preservation evidence",
                                        "description": "Observed protection failures and item-specific evidence that affect readiness.",
                                        "questions": [
                                            {
                                                "text": "What evidence of water ingress, temperature exposure, pests, corrosion or packaging failure affects the stored contents?",
                                                "kind": "measurement",
                                                "id": "preservation-evidence-q01"
                                            },
                                            {
                                                "text": "Which contents require inspection, rotation or replacement before the cache can fulfil its intended purpose?",
                                                "kind": "action",
                                                "id": "preservation-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "controlled-discovery-and-use",
                        "name": "Controlled discovery and use",
                        "description": "Records who may discover or use the cache and how interventions change its readiness and exposure.",
                        "rationale": "Cache use can reveal its position, exhaust its reserve or invalidate recovery instructions even when the immediate withdrawal succeeds.",
                        "layers": [
                            {
                                "id": "discovery-control",
                                "name": "Discovery control",
                                "description": "Distinguishes intended discoverability from concealment failure and controls recovery information.",
                                "findings": [
                                    {
                                        "id": "location-disclosure",
                                        "name": "Location disclosure",
                                        "description": "The intended audience for recovery information and evidence that concealment remains effective where required.",
                                        "questions": [
                                            {
                                                "text": "Is this cache intended to be concealed, openly marked or discoverable only by specified people?",
                                                "kind": "definition",
                                                "id": "location-disclosure-q01"
                                            },
                                            {
                                                "text": "Who may receive its precise location and recovery instructions, and what evidence indicates unintended discovery?",
                                                "kind": "boundary",
                                                "id": "location-disclosure-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "authorised-interventions",
                                "name": "Authorised interventions",
                                "description": "Defines permitted reserve changes and the conditions required after intervention.",
                                "findings": [
                                    {
                                        "id": "withdrawal-and-restoration",
                                        "name": "Withdrawal and restoration",
                                        "description": "Action permissions and the accounting, protection and locator updates required after use.",
                                        "questions": [
                                            {
                                                "text": "Who may inspect, withdraw, replenish, relocate or retire this cache, and what recovery triggers or quantity limits apply?",
                                                "kind": "action",
                                                "id": "withdrawal-and-restoration-q01"
                                            },
                                            {
                                                "text": "After an intervention, what must be counted, resealed, reconcealed or updated in the recovery instructions before readiness can be asserted?",
                                                "kind": "action",
                                                "id": "withdrawal-and-restoration-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": [
                                            "supply cache (expedition, military, survival)",
                                            "weapons cache",
                                            "food/provision cache",
                                            "geocache",
                                            "votive or ritual cache (archaeology)",
                                            "coin or treasure hoard treated as a cache",
                                            "data/computing cache",
                                            "browser or CDN cache"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of cache this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.cache specifically denote a physical reserve, or does the registry intend another meaning despite its PHY / PHY.OBJ placement?",
                "Is concealment required for registry membership, or can an openly marked reserve qualify as a cache?",
                "Does this entry include animal-created food caches and archaeological caches with inferred intent, or only deliberately managed human reserves?",
                "What identity rule applies when a cache is emptied, relocated, divided or subsequently rediscovered?",
                "Does an existing Vercy world model already own this concept, and which neighbouring models own its containers, contents and storage sites?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 9,
                "questions": 17
            }
        },
        "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 cache, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a physical cache, assess whether its stored contents remain recoverable and usable, and determine which inspection, retrieval or replenishment actions are permitted.",
            "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: cache memory, HTTP Caching, segment descriptor, ARP cache, disk cache, logical volume caching software, negative cache, web cache.",
                "8 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 62 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 cache, 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": [
                        "cache memory",
                        "HTTP Caching",
                        "segment descriptor",
                        "ARP cache",
                        "disk cache",
                        "logical volume caching software",
                        "negative cache",
                        "web cache"
                    ]
                }
            ],
            "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 8 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 cache from another, and a cache 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 cache, 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 cache, 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 cache 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 cache, 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 cache, 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 cache 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 cache 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 cache, 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 cache, 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 cache 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 cache from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a cache, 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 cache, 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 cache 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 cache 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 cache, 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 cache, 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 cache 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 cache is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a cache, 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 cache, 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 cache 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 cache is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a cache, 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 cache, 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 cache 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 cache 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 cache is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a cache, 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 cache, 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 cache 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 cache 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 cache, 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 cache, 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 cache 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 cache 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 cache between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a cache, 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 cache, 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 cache 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 cache, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a cache 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 cache, 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 cache, 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 cache 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 cache 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 cache 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 cache, 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 cache 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 cache 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 cache 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 cache 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 cache 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 cache, 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 cache 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 cache and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a cache, 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 cache, 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 cache 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 cache is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a cache, 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 cache, 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 cache 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
            }
        }
    }
}