{ "model": { "rank": 5918, "code": "thing-q155658", "model_id": "vr.tr.t-72", "name": "T-72", "purpose": "Enable an AI agent to recognise a T-72, establish its actual configuration and condition, and determine which inspection, preservation, maintenance or movement actions are supported by evidence and authority.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q155658/", "tier": 2, "score": 64, "payload": { "layer": "wikidata", "aliases": [ "T-72S", "T-72M4CZ", "BMT-72", "T-72B3", "T-72BA", "T-72B", "T-72 Scarab", "PT-91 Twardy", "T-72B1" ], "aliasCount": 9, "merged": 9, "knownIn": 64, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q155658", "url": "https://www.wikidata.org/wiki/Q155658", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:08:13Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01399372, "turns": 1, "seconds": 178.3, "error": null }, "codex": { "seconds": 98.7, "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: 01a07b52-6416-7c12-8f06-155305c5ddbc\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: T-72\nRegistry id: vr.tr.t-72\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model s" } } }, "metaModel": { "id": "THING-Q155658", "registryId": "vr.tr.t-72", "name": "T-72", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q155658/", "model": { "registry_id": "vr.tr.t-72", "name": "T-72", "purpose": "Enable an AI agent to recognise a T-72, establish its actual configuration and condition, and determine which inspection, preservation, maintenance or movement actions are supported by evidence and authority.", "definition": "The T-72 is the Uralvagonzavod main-battle-tank family (Object 172M and successors) that entered Soviet service in 1973 as a cheaper, mass-producible counterpart to the T-64, defined by a three-man crew, an AZ floor-carousel autoloader, a 125 mm 2A46-series smoothbore gun, and a compact composite-armoured hull that became the principal late-Cold-War export MBT.", "scope_statement": "This model provisionally owns the T-72 tank family and individual vehicles identified as members of it under vr.tr.t-72, including variant uncertainty, modifications, component condition and action constraints; the registry has not yet defined the family's exact boundary.", "in_scope": [ "Identification of a vehicle as a T-72 and assessment of competing identifications", "Distinction between original variant, later upgrade designation and observed configuration", "Continuity of vehicle identity through rebuilds and component replacements", "Installed running gear, propulsion, turret, armament, protection and observation equipment", "Evidence-backed condition, inspection limitations and hazardous-system status", "Vehicle-specific prerequisites for custody, inspection, maintenance, preservation and movement" ], "out_of_scope": [ "T-64, T-80 and T-90 models and their independent family definitions", "Independent models of ammunition, engines, radios and other replaceable components", "Military formations, crew personnel and organisational readiness", "Tactical employment, targeting and weapon engagement procedures", "Transport vehicles, routes, bridges and workshop infrastructure", "Legal regimes, transfer agreements and maintenance procedures themselves" ], "distinguishing_features": [ "Test a claimed T-72 designation against hull markings, production records and variant documentation; a caption or painted tactical number alone cannot establish identity.", "Compare the observed running-gear arrangement, hull geometry, engine deck and exhaust arrangement against documented T-72, T-64 and T-80 references; require agreement across several features.", "Compare turret geometry, hatch arrangement and observation-equipment positions with the claimed T-72 configuration and plausible T-90 alternatives; classify obscured or contradictory evidence as unresolved.", "Check whether the claimed upgrade designation matches the installed equipment. A separately recognised T-72B3 designation appears in the [US Army vehicle identification guide](https://www.benning.army.mil/infantry/artb/RSLC/content/pdf/20240321%20Vehicle%20Identification%20Study%20Guide_Updated.pdf), but this draft does not establish its identifying equipment.", "Distinguish a T-72 tank from a vehicle merely using a related chassis by establishing its documented conversion history and present configuration; retain a boundary question where registry treatment is unknown." ], "characteristics": [ { "name": "Family and variant attribution", "kind": "category", "unit_or_values": "Claimed designation; supported designation; unresolved alternatives; confidence", "why_it_matters": "Prevents uncertain recognition from becoming an assumed equipment specification." }, { "name": "Hull identity and rebuild lineage", "kind": "relation", "unit_or_values": "Vehicle linked to observed identifiers, manufacturing evidence and rebuild records", "why_it_matters": "Separates persistent vehicle identity from replaced turrets, engines and painted markings." }, { "name": "Installed configuration", "kind": "relation", "unit_or_values": "Dated links to identified hull, turret, propulsion, armament, protection, observation and communication components", "why_it_matters": "A variant name does not establish what remains installed after upgrades or repairs." }, { "name": "Configuration-specific mass", "kind": "measurement", "unit_or_values": "kg; measured or documented; load state and uncertainty", "why_it_matters": "Movement and support decisions require a mass applicable to the actual vehicle." }, { "name": "Transport envelope", "kind": "measurement", "unit_or_values": "Length, width and height in mm; turret orientation and external fittings recorded", "why_it_matters": "Attachments and configuration affect clearance and transport compatibility." }, { "name": "Running-gear and propulsion condition", "kind": "state", "unit_or_values": "Separate dated assessments for tracks, suspension, engine, transmission, steering and brakes: unassessed, serviceable, restricted or unserviceable", "why_it_matters": "An engine that runs does not establish that the tank can move safely." }, { "name": "Turret and armament condition", "kind": "state", "unit_or_values": "Installed, removed or unidentified; inspected condition; isolation and deactivation evidence", "why_it_matters": "Appearance alone cannot establish functionality or safe access." }, { "name": "Protection installation condition", "kind": "state", "unit_or_values": "Identified, unidentified, missing, damaged or unassessed by installation; energetic status separately recorded", "why_it_matters": "Visible housings do not prove their contents, condition or protective performance." }, { "name": "Inspection coverage", "kind": "category", "unit_or_values": "Exterior-only, compartment-specific or documented comprehensive inspection; inaccessible areas listed", "why_it_matters": "Makes the limits of condition judgments explicit." }, { "name": "Action authorisation", "kind": "relation", "unit_or_values": "Vehicle linked to responsible custodian, authorised action, qualified personnel and applicable documents", "why_it_matters": "Physical capability and permission to act are separate requirements." } ], "affordances": [ "Compare vehicle evidence with candidate T-72 configurations and record a qualified identification.", "Reconcile upgrade records with installed equipment and flag mixed or undocumented configurations.", "Request targeted inspection of unresolved running-gear, compartment or hazardous-system conditions.", "Assess whether documented prerequisites support preservation, maintenance or movement.", "Prepare a configuration-specific transport handoff using verified dimensions, mass and restrictions.", "Maintain an auditable vehicle history through storage, restoration, rebuild and deactivation." ] }, "sources": [ { "id": "zaloga-osprey-nv6", "title": "T-72 Main Battle Tank 1974-1993 (Osprey Publishing, New Vanguard 6)", "url": "", "what_it_supports": "Family origin at Nizhny Tagil, Object 172M/184 lineage, variant sequence Ural-A-B, autoloader and 125 mm gun, export T-72M/M1, and principal dimensions and weights." }, { "id": "wikipedia-t72", "title": "T-72 (English Wikipedia, Wikimedia Foundation)", "url": "https://en.wikipedia.org/wiki/T-72", "what_it_supports": "Service introduction, manufacturer, combat use, national derivatives (M-84, PT-91, Asad Babil, Ajeya), and widely cited physical characteristics.", "url_status": "live" }, { "id": "janes-armour", "title": "Jane's Armour and Artillery (Jane's Information Group / IHS Jane's, successive yearbooks)", "url": "", "what_it_supports": "In-service variant distinctions, engine power bands, ammunition stowage, and operator inventories used for measurements and real-world use." }, { "id": "cfe-1990", "title": "Treaty on Conventional Armed Forces in Europe (OSCE / States Parties, 1990)", "url": "", "what_it_supports": "Legal definition of a battle tank as treaty-limited equipment and the reporting category under which T-72 holdings were declared." } ], "structure": { "bundles": [ { "id": "t-72-identity-and-lineage", "name": "T-72 identity and lineage", "description": "Establish family membership, variant attribution and the identity of the individual hull.", "rationale": "Similar-looking tanks, upgrade labels and replaced assemblies can produce conflicting identities.", "layers": [ { "id": "family-and-variant-recognition", "name": "Family and variant recognition", "description": "Separate a supported identification from a designation supplied by an observer.", "findings": [ { "id": "supported-t-72-attribution", "name": "Supported T-72 attribution", "description": "Record evidence that supports T-72 membership and distinguish it from evidence supporting only a broad tank identification.", "questions": [ { "text": "Which markings, records and independently visible hull or turret features support identification as a T-72?", "kind": "definition", "id": "supported-t-72-attribution-q01" }, { "text": "Which T-64, T-80, T-90 or converted-chassis alternatives remain plausible, and what evidence would distinguish them?", "kind": "boundary", "id": "supported-t-72-attribution-q02" } ] } ] }, { "id": "hull-continuity", "name": "Hull continuity", "description": "Trace the individual vehicle through rebuilds without confusing component identity with hull identity.", "findings": [ { "id": "rebuild-and-identifier-history", "name": "Rebuild and identifier history", "description": "Connect identifiers and dated rebuild records while preserving conflicts and gaps.", "questions": [ { "text": "Which identifiers belong to the hull, which belong to replaceable assemblies, and which are temporary markings?", "kind": "provenance", "id": "rebuild-and-identifier-history-q01" }, { "text": "What evidence connects this hull to earlier records after turret replacement, overhaul or renumbering?", "kind": "provenance", "id": "rebuild-and-identifier-history-q02" } ] } ] } ] }, { "id": "t-72-installed-configuration", "name": "T-72 installed configuration", "description": "Describe the equipment actually present on the vehicle.", "rationale": "An original designation and a later upgrade label may each describe only part of the current configuration.", "layers": [ { "id": "hull-and-turret-assemblies", "name": "Hull and turret assemblies", "description": "Identify major assemblies and their documented relationship.", "findings": [ { "id": "actual-assembly-combination", "name": "Actual assembly combination", "description": "Record the observed hull, turret, gun and loading-system identities without inferring compatibility from family membership.", "questions": [ { "text": "Which hull, turret, gun and loading-system assemblies are installed, and how was each identified?", "kind": "provenance", "id": "actual-assembly-combination-q01" }, { "text": "Which records establish that this assembly combination is an approved configuration?", "kind": "boundary", "id": "actual-assembly-combination-q02" } ] } ] }, { "id": "upgrade-and-external-equipment", "name": "Upgrade and external equipment", "description": "Resolve the content of claimed upgrades and subsequent modifications.", "findings": [ { "id": "observed-upgrade-content", "name": "Observed upgrade content", "description": "Compare documented upgrade content with installed sights, communications, protection modules and external structures.", "questions": [ { "text": "Which installed items substantiate the claimed upgrade, and which expected items are absent or unverified?", "kind": "definition", "id": "observed-upgrade-content-q01" }, { "text": "Which later additions change the vehicle's envelope, access points or inspection requirements?", "kind": "measurement", "id": "observed-upgrade-content-q02" } ] } ] } ] }, { "id": "t-72-mobility-and-movement", "name": "T-72 mobility and movement", "description": "Assess the condition and physical constraints relevant to moving the individual tank.", "rationale": "Tracked mobility depends on several systems, while transport requirements depend on the vehicle's actual load and fittings.", "layers": [ { "id": "running-gear-and-driveline", "name": "Running gear and driveline", "description": "Keep propulsion evidence separate from steering, braking and track condition.", "findings": [ { "id": "supported-mobility-state", "name": "Supported mobility state", "description": "Record qualified inspection outcomes and restrictions for the installed propulsion and running gear.", "questions": [ { "text": "What dated inspections establish the condition of the tracks, suspension, engine, transmission, steering and brakes?", "kind": "measurement", "id": "supported-mobility-state-q01" }, { "text": "Which unresolved defects or inspection gaps prevent approval of the proposed movement?", "kind": "action", "id": "supported-mobility-state-q02" } ] } ] }, { "id": "movement-envelope-and-load", "name": "Movement envelope and load", "description": "Establish the dimensions and mass applicable to a proposed movement.", "findings": [ { "id": "configuration-specific-transport-basis", "name": "Configuration-specific transport basis", "description": "Associate mass and dimensions with turret orientation, external fittings, fluids and carried material.", "questions": [ { "text": "What are the verified mass and overall dimensions in the proposed transport configuration, and what remains estimated?", "kind": "measurement", "id": "configuration-specific-transport-basis-q01" }, { "text": "Which approved vehicle documents and carrier limits must be checked before a qualified operator authorises loading or movement?", "kind": "action", "id": "configuration-specific-transport-basis-q02" } ] } ] } ] }, { "id": "t-72-compartments-and-hazards", "name": "T-72 compartments and hazards", "description": "Establish compartment condition and the status of systems that constrain access or handling.", "rationale": "A tank may appear intact or deactivated while its interior, armament or protection installations remain unassessed.", "layers": [ { "id": "interior-access-and-condition", "name": "Interior access and condition", "description": "Record inspection coverage of crew spaces, turret mechanisms and equipment compartments.", "findings": [ { "id": "compartment-inspection-limits", "name": "Compartment inspection limits", "description": "Distinguish observed damage and contamination from inaccessible or unexamined conditions.", "questions": [ { "text": "Which crew spaces, turret mechanisms and engine-compartment areas have been inspected, and which remain inaccessible?", "kind": "measurement", "id": "compartment-inspection-limits-q01" }, { "text": "What qualified assessment establishes whether entry or work in each affected compartment is permitted?", "kind": "action", "id": "compartment-inspection-limits-q02" } ] } ] }, { "id": "armament-and-energetic-status", "name": "Armament and energetic status", "description": "Record evidence about ammunition, armament isolation and potentially energetic protection installations.", "findings": [ { "id": "verified-hazard-status", "name": "Verified hazard status", "description": "Keep unknown, declared safe and independently verified conditions distinct without supplying handling procedures.", "questions": [ { "text": "What qualified inspection records establish the status of ammunition spaces, the gun, loading mechanisms and any potentially energetic protection modules?", "kind": "provenance", "id": "verified-hazard-status-q01" }, { "text": "Which access, maintenance or transport restrictions remain until the relevant hazards are assessed by authorised specialists?", "kind": "action", "id": "verified-hazard-status-q02" } ] } ] } ] }, { "id": "t-72-service-history-and-disposition", "name": "T-72 service history and disposition", "description": "Connect configuration and condition evidence to the vehicle's intended custodial use.", "rationale": "A stored tank, restoration project and certified static exhibit require different evidence before work is authorised.", "layers": [ { "id": "maintenance-and-storage-history", "name": "Maintenance and storage history", "description": "Identify evidence gaps created by overhaul, component replacement and periods of storage.", "findings": [ { "id": "applicable-service-record", "name": "Applicable service record", "description": "Determine which maintenance and preservation records apply to the current assemblies.", "questions": [ { "text": "Which overhaul, replacement and storage records apply to the engine, running gear, turret and protection equipment currently installed?", "kind": "provenance", "id": "applicable-service-record-q01" }, { "text": "Which variant-specific inspections are required before the proposed return to movement, restoration or continued storage?", "kind": "action", "id": "applicable-service-record-q02" } ] } ] }, { "id": "custody-and-intended-use", "name": "Custody and intended use", "description": "Relate the tank's present status to a specific proposed action.", "findings": [ { "id": "supported-disposition-decision", "name": "Supported disposition decision", "description": "Record who may authorise the action and whether vehicle-specific prerequisites have been met.", "questions": [ { "text": "Is this T-72 held for storage, maintenance, restoration, display or another documented purpose, and who controls changes to that status?", "kind": "provenance", "id": "supported-disposition-decision-q01" }, { "text": "What evidence supports the proposed action, including any deactivation certification, inspection conditions and custodian approval?", "kind": "action", "id": "supported-disposition-decision-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": [ "T-72 Ural (Object 172M) - 1973 baseline production tank", "T-72A - 1979 Soviet type with thicker turret front and TPD-K1 laser rangefinder", "T-72M / T-72M1 - Warsaw Pact and export standard, often with simpler armour and fire-control than contemporary Soviet tanks", "T-72AV - T-72A fitted with Kontakt-1 explosive reactive armour", "T-72B (Object 184) - mid-1980s type with 2A46M gun, thicker turret, and Kontakt-1", "T-72B obr. 1989 - T-72B with Kontakt-5 second-generation ERA", "T-72B3 / T-72B3M - Russian 2010s life-extension with Sosna-U sight, V-92S2/S2F diesel, and new ERA/FCS", "T-72S - export configuration of the T-72B" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of T-72 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": "Q172233", "note": "Item for the T-72 tank family, not a single hull." }, { "scheme": "Soviet/Russian object index (UKBTM / UVZ)", "value_or_pattern": "Object 172M (production T-72); Object 184 (T-72B)", "note": "Design-bureau indexes; later modernisations keep the T-72B hull identity." }, { "scheme": "Soviet/Russian service designation (GABTU)", "value_or_pattern": "T-72 with letter/year suffixes (T-72A, T-72B, T-72B3, T-72B3 obr. 2016)", "note": "The public name; command tanks use a K suffix (T-72K)." }, { "scheme": "UNROCA equipment category", "value_or_pattern": "Category I - Battle tanks", "note": "How transfers and holdings are reported, not a unique serial." }, { "scheme": "NATO Supply Classification", "value_or_pattern": "NSC 2350 (combat, assault and tactical vehicles)", "note": "Parts and complete vehicles are stock-numbered; there is no single NSN for the type as a whole." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of T-72 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": [ "Treaty on Conventional Armed Forces in Europe (CFE), 1990 - OSCE / States Parties: battle tank as Treaty-Limited Equipment (tracked, ≥16.5 t, gun ≥75 mm).", "United Nations Register of Conventional Arms (UNROCA) - UNODA: Category I battle tanks for import/export reporting.", "Wassenaar Arrangement Munitions List ML6 - Wassenaar Arrangement: armoured combat vehicles and related equipment under dual-use/conventional-arms export control.", "National military-technical cooperation and export-control law (e.g. Russian Federation; EU Common Military List ML6) - governs transfer of complete tanks, guns, ERA and fire-control.", "Law of armed conflict (Hague Regulations; Additional Protocol I) - governs use of the tank as a weapon system, not its design standard." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of T-72 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": [ "Line and reserve main battle tank of the Soviet Army, then of Russia and many former Warsaw Pact and export armies.", "Fought in the Iran-Iraq War, the 1991 Gulf War, Chechnya, the Yugoslav wars, the 2008 Georgia war, Syria, Nagorno-Karabakh, and the Russo-Ukrainian war.", "Still modernised in place (Russia T-72B3/B3M, India T-72M1 Ajeya, Poland leftover T-72/PT-91 stocks, Czech T-72M4 CZ) rather than fully replaced.", "Encountered as training hulls, mobilisation reserve, trophy/captured vehicles, and museum or monument tanks.", "Family chassis also used for recovery (BREM-1), bridgelayers (MTU-72) and engineer vehicles, which are separate types." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of T-72 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": "Combat mass", "typical_range": "41-46.5", "unit": "t" }, { "quantity": "Length over gun", "typical_range": "9.53", "unit": "m" }, { "quantity": "Hull width", "typical_range": "3.46-3.59", "unit": "m" }, { "quantity": "Height to turret roof", "typical_range": "2.19-2.26", "unit": "m" }, { "quantity": "Main-gun calibre", "typical_range": "125", "unit": "mm" }, { "quantity": "Engine power (V-46 to V-92S2F)", "typical_range": "574-830", "unit": "kW" }, { "quantity": "Governed road speed", "typical_range": "60", "unit": "km/h" }, { "quantity": "Crew", "typical_range": "3", "unit": "persons" }, { "quantity": "AZ autoloader ready stowage", "typical_range": "22", "unit": "rounds" }, { "quantity": "Maximum gun depression", "typical_range": "−5 to −6", "unit": "°" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of T-72 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": [ "Penetration of the hull or turret often ignites the AZ carousel under the crew floor, causing ammunition cook-off and turret throw-off.", "Thin roof and engine-deck armour against top-attack ATGMs, artillery submunitions and FPV drones.", "Autoloader jam or damage leaves the three-man crew unable to load the gun by hand at a useful rate.", "Early transmissions give very low reverse speed (about 4-5 km/h), limiting hull-down withdrawal.", "Limited gun depression makes hull-down fire from reverse slopes harder than in many Western MBTs.", "External fuel tanks and fender tanks add fire load after mobility or flank hits.", "Tracks, road wheels and the relatively light hull are vulnerable to mines, artillery and mobility kills.", "Silhouette overlap with T-64/T-80/T-90 produces identification errors and fratricide risk." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of T-72 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": [ "Soviet/Russian line: T-72A then T-72B/B3 with domestic APFSDS, ERA and radios; export T-72M/M1/S were often sold with simpler armour, sights and ammunition.", "India: T-72M1 Ajeya and Combat Improved Ajeya, integrated with national ammunition, communications and later thermal sights.", "Poland: T-72M1 stocks and the PT-91 Twardy (Drawa FCS, Polish ERA layout) treated as a national type.", "Czechoslovakia/Czechia/Slovakia: T-72M and the deep T-72M4 CZ rebuild.", "Yugoslavia/Serbia: M-84 family derived from T-72M, usually catalogued as a separate tank.", "Iraq: locally assembled T-72M as Asad Babil (Lion of Babylon), with mixed build quality.", "Ukraine: T-72AMT and other national overhauls of T-72A/B hulls, distinct from Russian B3 in sights, ERA and radios." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of T-72 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": "T-64", "difference": "T-72 has six large rubber-tyred road wheels and a left-rear V-12 diesel exhaust; T-64 has smaller, tighter-spaced wheels, a 5TDF opposed-piston engine and a horizontal cassette autoloader rather than the AZ carousel." }, { "name": "T-80", "difference": "T-80B/U use a gas-turbine engine with a different rear deck and no T-72-style left exhaust grille; later diesel T-80UD/T-80BVM still differ in suspension, engine deck and typically in turret/ERA fit." }, { "name": "T-90 (especially Object 188)", "difference": "Early T-90 is a T-72B derivative: look for Shtora-1 IR-dazzler 'eyes' and a different FCS; T-90A/M have a welded turret and are not T-72B3 even when ERA layouts look similar." }, { "name": "T-62", "difference": "Four-man tank with a 115 mm gun, no autoloader, a mid-barrel fume extractor and a different turret; lighter and older than any T-72." }, { "name": "M-84", "difference": "Yugoslav production from the T-72M: different engine deck, DNNS-2 sighting and national equipment; treated as its own type by operators and catalogues." }, { "name": "PT-91 Twardy", "difference": "Polish rebuild of the T-72M1 with Drawa fire-control, a distinctive ERA array and different side skirts; not a Russian T-72B3." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of T-72 this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does vr.tr.t-72 denote the entire T-72 family or a narrower baseline type, and how should licensed derivatives and chassis conversions be related without creating unauthorised registry splits?", "Does an existing Vercy world model already own this concept and therefore require this registry entry to link to it?", "Which authoritative references establish reliable distinctions among T-72 variants and neighbouring tank families, including heavily modified or partially obscured vehicles?", "Which manufacturer or operator documents establish configuration compatibility, physical measurements and applicable inspection requirements for each supported variant?", "What jurisdiction-specific evidence establishes deactivation and permitted custodial actions for an individual vehicle, and how long do those assessments remain applicable?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "unclassified", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a T-72, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a T-72, establish its actual configuration and condition, and determine which inspection, preservation, maintenance or movement actions are supported by evidence and authority.", "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: T-72S, T-72M4CZ, BMT-72, T-72B3, T-72BA, T-72B, T-72 Scarab, PT-91 Twardy, T-72B1.", "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 64 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 T-72, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form and material. The registry holds no appearance data, so what a T-72 looks like has to come from research." ], "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": [ "T-72S", "T-72M4CZ", "BMT-72", "T-72B3", "T-72BA", "T-72B", "T-72 Scarab", "PT-91 Twardy", "T-72B1" ] } ], "standing": "Described in 64 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 9 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 T-72 from another, and a T-72 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 T-72, 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 T-72, 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 T-72 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 T-72, 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 T-72, 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 T-72 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 T-72 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 T-72, 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 T-72, 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 T-72 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 T-72 from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a T-72, 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 T-72, 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 T-72 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 T-72 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 T-72, 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 T-72, 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 T-72 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 T-72 is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a T-72, 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 T-72, 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 T-72 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 T-72 is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a T-72, 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 T-72, 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 T-72 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 T-72 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 T-72 is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a T-72, 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 T-72, 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 T-72 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 T-72 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 T-72, 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 T-72, 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 T-72 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 T-72 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 T-72 between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a T-72, 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 T-72, 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 T-72 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 T-72, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a T-72 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 T-72, 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 T-72, 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 T-72 is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a T-72 and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a T-72 is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a T-72 performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a T-72, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a T-72, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a T-72 is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a T-72.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a T-72 at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a T-72, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a T-72, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a T-72 is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a T-72 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 T-72 and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a T-72, 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 T-72, 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 T-72 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 T-72 is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a T-72, 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 T-72, 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 T-72 is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 13, "findings": 15, "questions": 45 } } } }