{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:50:42Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 21.2,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09573-5a0b-7033-b65b-ab9cde0273ef\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: P-15 radar\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001 regi",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 82.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09573-59ff-78e2-a63a-0ea035cbd3a1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: P-15 radar\nRegistry id: vr.tr.p-15-radar\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:51:39+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q388078",
    "registryId": "vr.tr.p-15-radar",
    "name": "P-15 radar",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q388078/",
  "model": {
    "registry_id": "vr.tr.p-15-radar",
    "name": "P-15 radar",
    "purpose": "Enable an AI agent to identify the registered P-15 radar type, distinguish its configurations and assess documented condition and permissible handling of associated equipment.",
    "definition": "The P-15 radar is a Soviet mobile, two-dimensional air-surveillance radar designed primarily to detect low-flying aircraft and report their range and azimuth for air-defence operations.",
    "scope_statement": "This model owns the recognition criteria and assessment questions for vr.tr.p-15-radar within PHY / PHY.OBJ, separating the radar type from individual sets, successor designs and the air-defence systems it supports.",
    "in_scope": [
      "P-15 designation evidence and boundaries between original configurations and documented modifications",
      "Radar sensing principle, measured coordinates and limits of its surveillance role",
      "Antenna, radar electronics, carrier and power-supply configuration",
      "Evidence needed to assess completeness, serviceability and preservation state",
      "Interfaces, maintenance documentation and conditions for authorized handling"
    ],
    "out_of_scope": [
      "P-19 and other successor radar types as independent designs",
      "Complete missile batteries, command networks and engagement doctrine",
      "Individual radar ownership, serial-number histories and location records except as assessment evidence",
      "Carrier vehicle design and roadworthiness beyond its relationship to the radar installation",
      "Tactical deployment, targeting, electronic attack and methods for defeating surveillance"
    ],
    "distinguishing_features": [
      "Require designation evidence consistent with P-15 / Flat Face A; a generic 'Flat Face' label is insufficient because P-19 uses Flat Face B. [U.S. Army ODIN](https://odin.t2com.army.mil/WEG/Asset/db59831e51a23c79fce1e3eec3890b93)",
      "Check that the identified equipment is a mobile two-dimensional UHF radar, rather than a height-finding or three-dimensional radar. [U.S. Army ODIN](https://odin.t2com.army.mil/WEG/Asset/db59831e51a23c79fce1e3eec3890b93)",
      "Do not identify P-15 solely from paired elliptical reflectors: P-19 has a similar antenna arrangement, so documentary and equipment-level corroboration is required. [U.S. Army ODIN: P-19](https://odin.t2com.army.mil/WEG/Asset/P-19_%28Flat_Face_B%29_Russian_Mobile_2D_UHF_Radar)",
      "Require evidence identifying the radar assembly itself; a compatible truck, detached antenna or association with a missile system does not establish a complete P-15 set."
    ],
    "characteristics": [
      {
        "name": "Designation confidence",
        "kind": "state",
        "unit_or_values": "confirmed P-15 | probable P-15 | conflicting identification | unidentified",
        "why_it_matters": "Prevents visual resemblance or ambiguous reporting names from becoming authoritative identification."
      },
      {
        "name": "Documented configuration",
        "kind": "category",
        "unit_or_values": "Exact variant or modification designation, with supporting document; otherwise unknown",
        "why_it_matters": "Controls which component lists, specifications and maintenance instructions apply."
      },
      {
        "name": "Coordinate output",
        "kind": "category",
        "unit_or_values": "Documented range and azimuth outputs; record separately any externally supplied height",
        "why_it_matters": "Prevents an integrated display from being mistaken for the radar's own measurement capability."
      },
      {
        "name": "Operating frequency",
        "kind": "measurement",
        "unit_or_values": "MHz, with configuration and documentary source",
        "why_it_matters": "Supports equipment identification and compatibility assessment without assuming all modifications share one frequency specification."
      },
      {
        "name": "Documented detection envelope",
        "kind": "measurement",
        "unit_or_values": "km, with target assumptions, altitude, environment and test conditions",
        "why_it_matters": "Separates conditional detection claims from display scale or instrumented range."
      },
      {
        "name": "Antenna installation",
        "kind": "category",
        "unit_or_values": "Documented reflector, feed, support and mounting arrangement",
        "why_it_matters": "Helps distinguish complete configurations from mixed assemblies and museum reconstructions."
      },
      {
        "name": "Power interface",
        "kind": "measurement",
        "unit_or_values": "V, Hz, phases and kW or kVA, as specified for the identified configuration",
        "why_it_matters": "Distinguishes supply requirements from transmitter peak-power claims."
      },
      {
        "name": "Radar set completeness",
        "kind": "state",
        "unit_or_values": "complete against documented inventory | incomplete | mixed configuration | unverified",
        "why_it_matters": "A recognizable vehicle and antenna do not establish a functioning radar set."
      },
      {
        "name": "Serviceability evidence",
        "kind": "state",
        "unit_or_values": "untested | documented serviceable | degraded | nonfunctional | deactivated",
        "why_it_matters": "Keeps appearance, historical operation and current functional condition separate."
      },
      {
        "name": "Connected equipment",
        "kind": "relation",
        "unit_or_values": "Links to documented power sources, identification equipment, displays and receiving systems",
        "why_it_matters": "Defines dependencies without absorbing connected systems into the P-15 type."
      }
    ],
    "affordances": [
      "Compare markings, records and component evidence to classify a candidate as P-15 or unresolved.",
      "Associate an individual set with the correct configuration-specific documentation.",
      "Assess completeness against a documented P-15 equipment inventory.",
      "Separate published specifications from measurements and condition reports for a particular set.",
      "Flag missing evidence before transport, conservation, servicing or authorized energization.",
      "Link connected equipment and successor designs without merging their identities."
    ],
    "agent_conduct": {
      "may": [
        "Describe the radar's purpose, history and general capabilities from public sources.",
        "Support museums and historians in cataloguing preserved equipment."
      ],
      "must_not": [
        "Help operate, repair or integrate it into an air-defence system.",
        "Provide guidance on evading or defeating air-defence radars.",
        "Transmit with it or any radar outside a licensed spectrum allocation.",
        "Assist transfers of military equipment that breach export controls or sanctions."
      ],
      "requires_human": [
        "Any decision on demilitarising, exporting or displaying preserved equipment."
      ]
    },
    "ethics": {
      "considerations": [
        "Air-defence systems are tied to war and civilian air safety; misuse can bring down aircraft."
      ],
      "affected_parties": [
        "Civil aviation passengers and crews",
        "Military personnel",
        "Communities in conflict zones"
      ]
    },
    "owners": {
      "steward": "The armed forces or museum that holds a unit; national export control authorities regulate transfers.",
      "master_systems": []
    },
    "visual_identification": [
      "A truck-mounted antenna array of large open frames on a vehicle chassis.",
      "Accompanying vehicles for power and operator cabins."
    ],
    "failure_modes_and_hazards": [
      "High-power radio emissions can harm people near the antenna.",
      "Misidentification of aircraft in air defence can lead to tragic shootdowns."
    ],
    "what_it_is_for": [
      "This radar was used in mobile air-defence networks to detect low-flying aircraft and report their range and bearing.",
      "Surviving equipment may be encountered in military inventories, museum collections and technical archives, where configuration and condition affect identification."
    ],
    "standards_and_regulation": [
      "The Radio Regulations issued by the International Telecommunication Union provide the international framework for spectrum allocation and interference management relevant to radar transmissions."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q388078: P-15 radar",
      "url": "https://www.wikidata.org/wiki/Q388078",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: P-15 radar",
      "url": "https://en.wikipedia.org/wiki/P-15_radar",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "designation-and-lineage",
        "name": "Designation and lineage",
        "description": "Establish what qualifies as P-15 and where related designs leave this registry entry.",
        "rationale": "Ambiguous reporting names and similar successor equipment can produce false identification.",
        "layers": [
          {
            "id": "identity-evidence",
            "name": "Identity evidence",
            "description": "Reconcile labels, documentation and observed equipment.",
            "findings": [
              {
                "id": "corroborated-p-15-identification",
                "name": "Corroborated P-15 identification",
                "description": "Require a traceable basis for identifying equipment as this radar type.",
                "questions": [
                  {
                    "text": "Which nameplate, manual or inventory record explicitly identifies the radar as P-15?",
                    "kind": "provenance",
                    "id": "corroborated-p-15-identification-q01"
                  },
                  {
                    "text": "Do equipment markings and component identities corroborate or contradict that record?",
                    "kind": "definition",
                    "id": "corroborated-p-15-identification-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "variant-boundaries",
            "name": "Variant boundaries",
            "description": "Separate configurations within the entry from neighboring radar types.",
            "findings": [
              {
                "id": "modification-versus-successor",
                "name": "Modification versus successor",
                "description": "Treat inclusion of a modification as a documented identity decision.",
                "questions": [
                  {
                    "text": "Which evidence establishes that a named modification remains a P-15 configuration?",
                    "kind": "boundary",
                    "id": "modification-versus-successor-q01"
                  },
                  {
                    "text": "Which markings or records distinguish this equipment from P-19 or another separately registered type?",
                    "kind": "definition",
                    "id": "modification-versus-successor-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "sensing-and-output",
        "name": "Sensing and output",
        "description": "Describe the radar's sensing role and the meaning of its reported observations.",
        "rationale": "An agent must distinguish native radar measurements from information added by connected equipment.",
        "layers": [
          {
            "id": "measurement-principle",
            "name": "Measurement principle",
            "description": "Identify how the documented configuration produces observations.",
            "findings": [
              {
                "id": "native-coordinate-capability",
                "name": "Native coordinate capability",
                "description": "Record the physical measurement principle and coordinates generated by the radar itself.",
                "questions": [
                  {
                    "text": "How does the applicable P-15 technical description explain range and bearing measurement?",
                    "kind": "definition",
                    "id": "native-coordinate-capability-q01"
                  },
                  {
                    "text": "If a connected display includes altitude, which equipment supplies it?",
                    "kind": "boundary",
                    "id": "native-coordinate-capability-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "qualified-specifications",
            "name": "Qualified specifications",
            "description": "Preserve the conditions and definitions attached to performance figures.",
            "findings": [
              {
                "id": "range-and-accuracy-evidence",
                "name": "Range and accuracy evidence",
                "description": "Keep claimed detection capability separate from instrument limits and measured unit performance.",
                "questions": [
                  {
                    "text": "Does a quoted range describe detection, instrumentation or display scale, and under what stated conditions?",
                    "kind": "measurement",
                    "id": "range-and-accuracy-evidence-q01"
                  },
                  {
                    "text": "Which source specifies range and azimuth accuracy for the identified configuration?",
                    "kind": "provenance",
                    "id": "range-and-accuracy-evidence-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physical-set-and-power",
        "name": "Physical set and power",
        "description": "Define the radar assembly, supporting equipment and configuration-dependent interfaces.",
        "rationale": "P-15 identity and completeness cannot be inferred from a carrier or antenna alone.",
        "layers": [
          {
            "id": "antenna-and-carrier-assembly",
            "name": "Antenna and carrier assembly",
            "description": "Connect observed antenna and vehicle arrangements to documented configurations.",
            "findings": [
              {
                "id": "configuration-completeness",
                "name": "Configuration completeness",
                "description": "Compare the physical set with its applicable equipment list and assembly documentation.",
                "questions": [
                  {
                    "text": "Which reflectors, feeds, supports, electronic cabinets and ancillary items belong to this documented P-15 configuration?",
                    "kind": "definition",
                    "id": "configuration-completeness-q01"
                  },
                  {
                    "text": "Which observed components are missing, substituted or inconsistent with the configuration record?",
                    "kind": "boundary",
                    "id": "configuration-completeness-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "electrical-support",
            "name": "Electrical support",
            "description": "Identify supply requirements and the boundaries of external power equipment.",
            "findings": [
              {
                "id": "documented-power-compatibility",
                "name": "Documented power compatibility",
                "description": "Require configuration-specific electrical evidence before judging a supply suitable.",
                "questions": [
                  {
                    "text": "What voltage, frequency, phase arrangement and input demand does the applicable P-15 documentation specify?",
                    "kind": "measurement",
                    "id": "documented-power-compatibility-q01"
                  },
                  {
                    "text": "Which generator, converter and protective-earth arrangements are documented parts or dependencies of this set?",
                    "kind": "boundary",
                    "id": "documented-power-compatibility-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "interfaces-and-information-boundaries",
        "name": "Interfaces and information boundaries",
        "description": "Record how P-15 observations are presented and exchanged with other equipment.",
        "rationale": "Association with a larger system must not transfer that system's capabilities to the radar.",
        "layers": [
          {
            "id": "operator-presentation",
            "name": "Operator presentation",
            "description": "Identify displays and the provenance of the information they show.",
            "findings": [
              {
                "id": "display-and-processing-provenance",
                "name": "Display and processing provenance",
                "description": "Separate original radar presentation from later processing or display additions.",
                "questions": [
                  {
                    "text": "Which display and processing equipment is original to the documented configuration, and which was added later?",
                    "kind": "provenance",
                    "id": "display-and-processing-provenance-q01"
                  },
                  {
                    "text": "Which displayed fields are radar measurements, operator annotations or externally supplied information?",
                    "kind": "boundary",
                    "id": "display-and-processing-provenance-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "external-equipment-links",
            "name": "External equipment links",
            "description": "Describe verified connections without modeling an entire air-defence installation.",
            "findings": [
              {
                "id": "verified-interface-relationships",
                "name": "Verified interface relationships",
                "description": "Require interface evidence beyond historical co-location or customary association.",
                "questions": [
                  {
                    "text": "Which documents identify the connected identification, display or receiving equipment and the information exchanged?",
                    "kind": "provenance",
                    "id": "verified-interface-relationships-q01"
                  },
                  {
                    "text": "Does the evidence establish an actual compatible interface or only that the equipment served together?",
                    "kind": "boundary",
                    "id": "verified-interface-relationships-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "condition-and-permitted-handling",
        "name": "Condition and permitted handling",
        "description": "Assess a P-15 set through condition evidence, maintenance applicability and handling constraints.",
        "rationale": "Historic equipment may be visually complete while electrically unsafe, mechanically degraded or permanently deactivated.",
        "layers": [
          {
            "id": "serviceability-and-preservation",
            "name": "Serviceability and preservation",
            "description": "Separate functional evidence from cosmetic condition and preservation work.",
            "findings": [
              {
                "id": "subsystem-condition-evidence",
                "name": "Subsystem condition evidence",
                "description": "Tie condition judgments to dated inspection or test records for the actual configuration.",
                "questions": [
                  {
                    "text": "What dated evidence addresses the antenna mechanism, RF chain, displays, cabling and power equipment?",
                    "kind": "provenance",
                    "id": "subsystem-condition-evidence-q01"
                  },
                  {
                    "text": "Which recorded defects or missing components prevent a serviceability conclusion?",
                    "kind": "action",
                    "id": "subsystem-condition-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "maintenance-and-safety-basis",
            "name": "Maintenance and safety basis",
            "description": "Establish applicable instructions before handling or energizing an associated set.",
            "findings": [
              {
                "id": "applicable-handling-requirements",
                "name": "Applicable handling requirements",
                "description": "Record documented protections and qualified assessments without assuming modern interlocks or certification.",
                "questions": [
                  {
                    "text": "Which P-15 manual revisions govern maintenance, consumables, antenna restraint and electrical isolation for this configuration?",
                    "kind": "provenance",
                    "id": "applicable-handling-requirements-q01"
                  },
                  {
                    "text": "What verified RF, high-voltage and moving-assembly protections constrain the proposed handling activity?",
                    "kind": "action",
                    "id": "applicable-handling-requirements-q02"
                  },
                  {
                    "text": "Which inspection or approval is required for that activity, and what issuing authority or applicable standard establishes it?",
                    "kind": "action",
                    "id": "applicable-handling-requirements-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "This is recalled knowledge, not source-verified research.",
                  "The approximately 150 km range is a nominal figure, not a guaranteed low-altitude detection distance; performance depends on target, altitude, terrain and interference.",
                  "Variant designations, exact frequency limits, power requirements and deployment specifications should be checked against a technical manual before inclusion."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "Soviet equipment designation",
                    "value_or_pattern": "P-15",
                    "note": "Identifies the radar design, not an individual installation."
                  },
                  {
                    "scheme": "NATO reporting name",
                    "value_or_pattern": "Flat Face A",
                    "note": "Western reporting name associated with the P-15."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Surveillance of low-altitude airspace.",
                  "Target acquisition and cueing for ground-based air-defence units.",
                  "Deployment as a mobile radar within a wider air-defence reporting network."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Nominal maximum detection range",
                    "typical_range": "Approximately 150",
                    "unit": "km"
                  },
                  {
                    "quantity": "Azimuth surveillance coverage",
                    "typical_range": "360",
                    "unit": "degrees"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Terrain masking and the radar horizon limit detection of low-flying targets.",
                  "Ground clutter can obscure aircraft returns.",
                  "Electronic interference and deliberate jamming can degrade detection.",
                  "High-voltage circuits and radio-frequency emissions present maintenance and exposure hazards.",
                  "Rotating antenna assemblies present mechanical hazards."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Soviet and export operators used the design; surviving installations may differ through local refurbishment or modernization."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "P-19 radar",
                    "difference": "A later related low-altitude surveillance radar, generally identified by the NATO reporting name Flat Face B."
                  },
                  {
                    "name": "P-12 radar",
                    "difference": "A distinct Soviet surveillance radar operating in the VHF band; the P-15 operates in the UHF band."
                  },
                  {
                    "name": "Radar height finder",
                    "difference": "Measures target height; the P-15 principally supplies range and azimuth rather than an independent height measurement."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of P-15 radar this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which primary technical manuals establish the exact P-15 designation aliases and the boundaries of named variants and modernizations?",
    "What configuration-specific frequency, range, accuracy, dimensions, mass and power figures can be verified without importing P-19 specifications?",
    "Which antenna mounting arrangements, carriers and ancillary equipment lists are original, optional or later substitutions?",
    "Which maintenance records substantiate recurring P-15 failure modes, consumables and replacement-component compatibility?",
    "Which original acceptance standards and present-day handling requirements apply, and what protections or interlocks are actually documented?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 17,
    "questions": 28
  }
}
