{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:08:09Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 21.8,
        "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: 01a0954c-a349-7ea0-a2bd-690b51304441\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: mail\nSense to describe: the bags of letters and packages that are transported by the postal service\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 67.1,
        "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: 01a0954c-a350-7552-9e89-933c45969276\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: mail\nRegistry id: vr.tr.mail\nPlane / domain: INF / INF.MED\nRegistry definition: the bags of letters and packages that are transported by the postal s"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:42:39+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:27+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: WordNet gloss",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-MAIL",
    "registryId": "vr.tr.mail",
    "name": "mail",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.MED"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/mail/",
  "model": {
    "registry_id": "vr.tr.mail",
    "name": "mail",
    "purpose": "Enable an AI agent to recognise physical postal mail, assess its handling and delivery state, and determine appropriate next actions from recorded evidence.",
    "definition": "Mail is the collective physical consignment of letters, documents and parcels accepted for conveyance and delivery by a postal service, often grouped in bags or other transport receptacles.",
    "scope_statement": "This model owns letters and packages collectively transported by a postal service, including their grouping in mailbags or other dispatch units, while distinguishing the mail from its containers, contents and transport infrastructure.",
    "in_scope": [
      "Physical letters and packages identified as belonging to a postal flow",
      "Composition of mail collections and their grouping into bags or dispatch units",
      "Addressing, routing and delivery instructions attached to mail",
      "Recorded custody, processing and delivery states",
      "Physical condition and evidence needed to decide handling or exception actions"
    ],
    "out_of_scope": [
      "Email messages and electronic messaging systems",
      "Authorship, editions and intellectual property of enclosed correspondence or works",
      "Mailbags and other reusable containers considered independently of their contents",
      "Postal operators, post offices, vehicles and sorting machinery as entities",
      "Goods inside packages considered independently of their postal transport",
      "Freight or courier consignments not established as part of the applicable postal scope"
    ],
    "distinguishing_features": [
      "The referent is a physical collection of letters or packages, rather than electronic messages or an abstract communication service.",
      "Postal status depends on evidence of the collection's relationship to a postal service; the presence of an address alone is insufficient.",
      "A mailbag can hold mail, but an empty mailbag is a container rather than mail.",
      "The model distinguishes a collection or dispatch from each constituent letter or package, so a collection-level event does not automatically establish every item's state.",
      "The postal object is its handled envelope or package; the text or goods enclosed retain separate identities."
    ],
    "characteristics": [
      {
        "name": "Postal-flow relationship",
        "kind": "state",
        "unit_or_values": "Presented for acceptance, accepted, in postal custody, released, unknown; supported by recorded evidence",
        "why_it_matters": "Distinguishes established mail from addressed objects whose postal status is uncertain."
      },
      {
        "name": "Observation level",
        "kind": "category",
        "unit_or_values": "Individual letter or package, bag contents, dispatch, other identified collection",
        "why_it_matters": "Prevents observations about a collection from being treated as observations about every member."
      },
      {
        "name": "Constituent membership",
        "kind": "relation",
        "unit_or_values": "Identified or counted letters and packages linked to a collection for a stated time interval",
        "why_it_matters": "Supports reconciliation when mail is consolidated, split or transferred."
      },
      {
        "name": "Recorded item count",
        "kind": "measurement",
        "unit_or_values": "Number of letters and packages, with counting basis and time",
        "why_it_matters": "Makes shortages, additions and unverified totals visible."
      },
      {
        "name": "Measured mass",
        "kind": "measurement",
        "unit_or_values": "Grams or kilograms; specify whether container mass is included",
        "why_it_matters": "Supports handling and reconciliation without confusing mail mass with gross bag mass."
      },
      {
        "name": "Destination and routing marks",
        "kind": "relation",
        "unit_or_values": "Links to item addresses, bag destinations and dispatch routes, with their respective scopes",
        "why_it_matters": "Separates the destination of a transport grouping from each item's delivery address."
      },
      {
        "name": "Postal service designation",
        "kind": "category",
        "unit_or_values": "Operator-recorded product, class or handling designation; unknown where unverified",
        "why_it_matters": "Determines which handling expectations require verification for this mail."
      },
      {
        "name": "Custody and processing state",
        "kind": "state",
        "unit_or_values": "Latest evidenced handoff or processing event, including actor, location, time and observation level",
        "why_it_matters": "Supports the next action while preserving gaps in visibility."
      },
      {
        "name": "Packaging and containment condition",
        "kind": "state",
        "unit_or_values": "Observed intact, torn, wet, open, leaking or otherwise damaged; uninspected where applicable",
        "why_it_matters": "Identifies mail needing protective handling or authorised assessment."
      },
      {
        "name": "Delivery disposition",
        "kind": "state",
        "unit_or_values": "Pending, attempted, held, delivered, redirected, returning, returned or unresolved, using evidenced operator meanings",
        "why_it_matters": "Distinguishes arrival at a facility from completion of delivery."
      }
    ],
    "affordances": [
      "Identify mail and reconcile its recorded membership against a bag or dispatch inventory.",
      "Propose sorting or routing actions from the applicable address and verified postal instructions.",
      "Record consolidation, splitting and custody handoffs while retaining item-to-collection relationships.",
      "Flag damaged, mismatched or insufficiently identified mail for authorised handling.",
      "Determine whether delivery, holding, redirection or return is supported by the recorded instructions and permissions.",
      "Explain which mail states are evidenced and which remain unknown."
    ],
    "agent_conduct": {
      "may": [
        "Sort, carry and deliver mail on behalf of the postal operator that authorizes it.",
        "Report damaged, undeliverable or suspicious items to the operator."
      ],
      "must_not": [
        "Open, read, copy or withhold mail addressed to someone else except under lawful authority.",
        "Deliver mail to anyone other than the addressee or their authorized agent.",
        "Discard, delay or divert mail.",
        "Handle a suspicious package in ways that ignore the operator's security procedures."
      ],
      "requires_human": [
        "Holding or returning mail suspected of containing dangerous goods.",
        "Releasing mail to a third party claiming to act for the addressee."
      ]
    },
    "ethics": {
      "considerations": [
        "The secrecy of correspondence is a long-standing right protected in many constitutions.",
        "Reliable mail matters most to people without digital access, including older people and prisoners."
      ],
      "affected_parties": [
        "Senders and addressees",
        "Postal workers",
        "People who depend on mail for benefits and notices"
      ]
    },
    "owners": {
      "steward": "The postal operator while in transit; the addressee once delivered.",
      "master_systems": []
    },
    "visual_identification": [
      "Envelopes and parcels bearing addresses and postage marks, often carried in labelled sacks or trays.",
      "Postal bags and containers carry the operator's markings and seals."
    ],
    "failure_modes_and_hazards": [
      "Lost or stolen mail exposes personal and financial information.",
      "Mail can be used to send dangerous items, threatening postal workers."
    ],
    "standards_and_regulation": [
      "Universal Postal Convention, Universal Postal Union."
    ],
    "what_it_is_for": [
      "Mail is encountered at postal acceptance points, sorting facilities, transport hubs and delivery destinations.",
      "It carries physical correspondence, documents and goods between senders and recipients.",
      "Items may be grouped in transport receptacles for movement and sorting while retaining their individual delivery identities."
    ]
  },
  "sources": [
    {
      "id": "oewn",
      "title": "Open English WordNet 2024, synset oewn-06286287-n",
      "url": "https://en-word.net/id/oewn-06286287-n",
      "what_it_supports": "sense and gloss of the concept",
      "url_status": "live",
      "checked_by": "http 200"
    },
    {
      "id": "wiktionary-en",
      "title": "Wiktionary: mail",
      "url": "https://en.wiktionary.org/wiki/mail",
      "what_it_supports": "word senses and usage",
      "url_status": "live",
      "checked_by": "http 200"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "postal-identity-and-composition",
        "name": "Postal identity and composition",
        "description": "Establish what constitutes the mail under consideration and how its letters and packages are grouped.",
        "rationale": "The registry names collective physical mail, so agents must distinguish mail, its members and its containers.",
        "layers": [
          {
            "id": "postal-scope",
            "name": "Postal scope",
            "description": "Recognise the physical referent and establish its connection to a postal flow.",
            "findings": [
              {
                "id": "evidenced-postal-membership",
                "name": "Evidenced postal membership",
                "description": "Record the basis for treating these letters and packages as mail, including uncertainty about acceptance or operator scope.",
                "questions": [
                  {
                    "text": "Which physical letters or packages does the term mail identify in this observation?",
                    "kind": "definition",
                    "id": "evidenced-postal-membership-q01"
                  },
                  {
                    "text": "What acceptance record, custody event or other evidence connects them to a postal service?",
                    "kind": "provenance",
                    "id": "evidenced-postal-membership-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "collection-membership",
            "name": "Collection membership",
            "description": "Describe mail collections without merging their identities with those of bags or individual items.",
            "findings": [
              {
                "id": "time-bounded-mail-grouping",
                "name": "Time-bounded mail grouping",
                "description": "Record membership, counts and containment at the time observed, preserving splits and consolidations.",
                "questions": [
                  {
                    "text": "Which items or counted quantities belonged to this bag's contents or dispatch at the recorded time?",
                    "kind": "measurement",
                    "id": "time-bounded-mail-grouping-q01"
                  },
                  {
                    "text": "Does this identifier identify a reusable bag, the mail currently inside it, a dispatch or an individual postal item?",
                    "kind": "boundary",
                    "id": "time-bounded-mail-grouping-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "addressing-and-routing",
        "name": "Addressing and routing",
        "description": "Connect delivery addresses and dispatch destinations to the appropriate level of mail.",
        "rationale": "Mail moves through intermediate destinations that must not be mistaken for final delivery addresses.",
        "layers": [
          {
            "id": "delivery-address-evidence",
            "name": "Delivery address evidence",
            "description": "Capture the available destination information and ambiguities on letters and packages.",
            "findings": [
              {
                "id": "address-readability-and-conflict",
                "name": "Address readability and conflict",
                "description": "Distinguish observed address marks from interpretations, corrections and competing instructions.",
                "questions": [
                  {
                    "text": "Which destination and recipient details are readable on the item, and which are inferred or missing?",
                    "kind": "measurement",
                    "id": "address-readability-and-conflict-q01"
                  },
                  {
                    "text": "What evidence establishes which address applies when labels or forwarding marks conflict?",
                    "kind": "provenance",
                    "id": "address-readability-and-conflict-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "dispatch-route",
            "name": "Dispatch route",
            "description": "Relate mail groupings to their next processing destination and applicable routing instructions.",
            "findings": [
              {
                "id": "bag-destination-versus-item-destination",
                "name": "Bag destination versus item destination",
                "description": "Keep collective routing marks distinct from the addresses of enclosed mail.",
                "questions": [
                  {
                    "text": "Does the destination on this bag or dispatch label identify an intermediate facility or a final delivery destination?",
                    "kind": "boundary",
                    "id": "bag-destination-versus-item-destination-q01"
                  },
                  {
                    "text": "Which next sorting or transfer action is supported by the route record, and which mismatches require review?",
                    "kind": "action",
                    "id": "bag-destination-versus-item-destination-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "postal-treatment-and-handling",
        "name": "Postal treatment and handling",
        "description": "Identify the service instructions and physical handling constraints attached to the mail.",
        "rationale": "Letters and packages grouped together may require different treatment, which cannot safely be inferred from their shared container.",
        "layers": [
          {
            "id": "service-designation",
            "name": "Service designation",
            "description": "Record operator-specific service markings and the evidence supporting their interpretation.",
            "findings": [
              {
                "id": "item-specific-service-instructions",
                "name": "Item-specific service instructions",
                "description": "Associate service and handling designations with the items or groupings to which they actually apply.",
                "questions": [
                  {
                    "text": "Which service designations are evidenced for this mail, and are they attached to individual items or the whole dispatch?",
                    "kind": "provenance",
                    "id": "item-specific-service-instructions-q01"
                  },
                  {
                    "text": "What verified operator instructions determine whether these items may be grouped, separated or prioritised?",
                    "kind": "action",
                    "id": "item-specific-service-instructions-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "physical-handling-basis",
            "name": "Physical handling basis",
            "description": "Describe measurable and declared properties relevant to moving the mail.",
            "findings": [
              {
                "id": "mail-load-and-declarations",
                "name": "Mail load and declarations",
                "description": "Preserve the measurement basis and distinguish declared contents from inspected contents.",
                "questions": [
                  {
                    "text": "What mass, dimensions and item count were measured, and do those measurements include the bag or other container?",
                    "kind": "measurement",
                    "id": "mail-load-and-declarations-q01"
                  },
                  {
                    "text": "Which handling marks or contents declarations accompany the mail, and who supplied them?",
                    "kind": "provenance",
                    "id": "mail-load-and-declarations-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "custody-and-mail-integrity",
        "name": "Custody and mail integrity",
        "description": "Track handoffs and condition observations at the level actually evidenced.",
        "rationale": "A bag scan, seal observation or handoff can support a collective claim while leaving individual item presence or condition uncertain.",
        "layers": [
          {
            "id": "postal-handoffs",
            "name": "Postal handoffs",
            "description": "Record movement between custodians and processing locations without filling gaps by assumption.",
            "findings": [
              {
                "id": "handoff-evidence-scope",
                "name": "Handoff evidence scope",
                "description": "Attach each custody event to its observed mail unit and preserve unresolved membership or timing gaps.",
                "questions": [
                  {
                    "text": "Who transferred and received the mail, where and when, according to which record?",
                    "kind": "provenance",
                    "id": "handoff-evidence-scope-q01"
                  },
                  {
                    "text": "Does the event verify each item's presence or only the transfer of a bag or dispatch?",
                    "kind": "boundary",
                    "id": "handoff-evidence-scope-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "containment-and-damage",
            "name": "Containment and damage",
            "description": "Assess visible packaging and containment conditions without asserting unseen contents are intact.",
            "findings": [
              {
                "id": "observed-mail-integrity",
                "name": "Observed mail integrity",
                "description": "Separate observations of seals, bags and wrappers from conclusions about enclosed letters, packages or goods.",
                "questions": [
                  {
                    "text": "What damage, wetness, opening, leakage or seal discrepancy was observed, and on which container or item?",
                    "kind": "measurement",
                    "id": "observed-mail-integrity-q01"
                  },
                  {
                    "text": "Which protective handling or escalation action is authorised by the applicable procedure and observed condition?",
                    "kind": "action",
                    "id": "observed-mail-integrity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "delivery-and-exceptions",
        "name": "Delivery and exceptions",
        "description": "Determine the evidenced outcome for mail and the basis for resolving unsuccessful delivery.",
        "rationale": "Mail can reach a destination facility without reaching its recipient, and unresolved items need explicit disposition decisions.",
        "layers": [
          {
            "id": "delivery-evidence",
            "name": "Delivery evidence",
            "description": "Distinguish processing arrival, delivery attempts and completed delivery.",
            "findings": [
              {
                "id": "delivery-completion-basis",
                "name": "Delivery completion basis",
                "description": "Record what the delivery evidence establishes under the applicable service, including who or what received the item.",
                "questions": [
                  {
                    "text": "What does the recorded event establish: facility arrival, delivery attempt, deposit, recipient handover or another outcome?",
                    "kind": "definition",
                    "id": "delivery-completion-basis-q01"
                  },
                  {
                    "text": "Which item-specific evidence supports the delivery outcome, and what receipt conditions applied?",
                    "kind": "provenance",
                    "id": "delivery-completion-basis-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "undelivered-mail-disposition",
            "name": "Undelivered mail disposition",
            "description": "Record unresolved delivery reasons and the authority for subsequent treatment.",
            "findings": [
              {
                "id": "hold-redirect-or-return",
                "name": "Hold, redirect or return",
                "description": "Connect exception evidence to applicable instructions without inventing deadlines or disposal powers.",
                "questions": [
                  {
                    "text": "What recorded condition prevents delivery, and is the reason confirmed or provisional?",
                    "kind": "provenance",
                    "id": "hold-redirect-or-return-q01"
                  },
                  {
                    "text": "What verified instruction, deadline and authority permit holding, retrying, redirecting, returning or otherwise disposing of this mail?",
                    "kind": "action",
                    "id": "hold-redirect-or-return-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-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "This sense concerns physical postal consignments, despite its placement in the INF.MED domain.",
                  "The listed kinds overlap: an international parcel may also use an express service.",
                  "Confirm operator-specific classifications, identifier applicability and current UPU provisions before operational use; no sources were consulted."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of mail this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Letter-post mail",
                  "Parcel-post mail",
                  "Domestic mail",
                  "International mail",
                  "Registered mail",
                  "Express mail"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of mail 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": "UPU S10",
                    "value_or_pattern": "Two letters, eight serial digits, one check digit and two country-code letters",
                    "note": "Identifies individual postal items in applicable services; it does not identify mail collectively or necessarily identify a mailbag."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of mail this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Universal Postal Convention and its Regulations - Universal Postal Union; framework for international postal exchanges.",
                  "S10 postal-item identification standard - Universal Postal Union."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of mail 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": [
                  "Delivery of personal and business correspondence.",
                  "Transport of purchased goods and returned merchandise.",
                  "Distribution of printed publications.",
                  "Exchange of documents and small goods across national borders.",
                  "Consolidation of postal items for sorting and transport between postal facilities."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of mail 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": [
                  "Loss or misrouting during sorting, transfer or delivery.",
                  "Delivery delays caused by transport disruption, backlogs or customs processing.",
                  "Damage from crushing, moisture, tearing or inadequate packaging.",
                  "Theft, tampering or unauthorized access to contents.",
                  "Dangerous or leaking contents that harm handlers or contaminate other items."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of mail 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": [
                  "Postal operators distinguish letter, packet and parcel categories using different size, mass and service criteria.",
                  "Address formats and postcode systems differ between countries.",
                  "Service names, tracking coverage and delivery arrangements vary between postal operators."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of mail 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": "Mailbag",
                    "difference": "A mailbag is a transport receptacle; mail is the collection of postal items it contains."
                  },
                  {
                    "name": "Postal item",
                    "difference": "A postal item is one individually handled letter, packet or parcel; mail can denote the aggregate."
                  },
                  {
                    "name": "Postal service",
                    "difference": "The postal service is the organization or activity that conveys mail; mail is what it conveys."
                  },
                  {
                    "name": "Correspondence",
                    "difference": "Correspondence denotes exchanged communications; mail also includes goods and other non-correspondence contents."
                  },
                  {
                    "name": "Electronic mail",
                    "difference": "Electronic mail consists of digitally transmitted messages rather than physical postal consignments."
                  },
                  {
                    "name": "Freight",
                    "difference": "Freight is cargo carried under general transport arrangements; mail is accepted and handled within a postal service."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of mail this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does the registry intend mail to include individual postal items and unbagged collections, or specifically bagged aggregate loads?",
    "Which operators and services define the boundary between postal mail, private courier consignments and freight for this registry?",
    "Which operator-specific identifiers and event definitions establish acceptance, custody and delivery, and what evidence can legitimately propagate from a dispatch to its members?",
    "Which jurisdictional and operator rules govern inspection, forwarding, retention, return and disposal, including who may authorise each action?",
    "How should the INF / INF.MED placement relate to the physical letters and packages and their separately modelled informational contents?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 18,
    "questions": 28
  }
}
