{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-10-21T19:11:20Z",
    "providers": [
      "Claude"
    ],
    "breadth": "researched by Claude against the sources listed below",
    "pass": 2,
    "wave": 5,
    "engine": "claude",
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-21T19:18:34+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "3 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q17098680",
    "registryId": "vr.tr.postal-marking",
    "name": "postal marking",
    "version": "0.2.0-wave.5",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q17098680/",
  "model": {
    "registry_id": "vr.tr.postal-marking",
    "name": "postal marking",
    "purpose": "Let an agent read and classify postal markings on mail and covers, for tracking questions and for postal history, and point to postal operators for current services.",
    "definition": "Any mark, stamp or annotation that a postal service applies to a mail item, such as a postmark with date and place, a cancellation of the stamp, an arrival backstamp or an instruction such as return to sender.",
    "what_it_is_for": "Recording when and where mail was handled, cancelling postage so it cannot be reused, and instructing handling.",
    "affordances": [
      "classify a marking by type",
      "read date and place from a postmark",
      "explain instructional markings",
      "describe markings of interest in postal history"
    ],
    "distinguishing_features": [
      "Applied by the postal service, not by the sender.",
      "A cancellation defaces postage; a postmark records date and place; one mark can do both.",
      "Differs from a postage stamp, which pays for the service."
    ],
    "appearance": "Inked handstamps or machine impressions, often circular date stamps or wavy lines, plus printed codes and labels on modern mail.",
    "visual_identification": [
      "Circular date stamp with place and date",
      "Wavy or slogan cancellation lines over the stamp",
      "Printed barcodes and labels on modern items"
    ],
    "physical_properties": [
      {
        "quantity": "marking dimensions and ink",
        "typical_range": "item-specific",
        "unit": "mm; colour",
        "note": "record size, ink colour, medium and impression condition where relevant"
      }
    ],
    "families_and_kinds": [
      "postmark",
      "cancellation",
      "arrival backstamp",
      "instructional marking (return to sender, insufficient postage)",
      "slogan cancellation",
      "manuscript postal annotation",
      "labels and barcodes applied by the postal service"
    ],
    "related_models": [
      {
        "relation": "is applied to",
        "target": "mail item",
        "why": "letters and parcels"
      },
      {
        "relation": "cancels",
        "target": "postage stamp",
        "why": "prevents reuse"
      },
      {
        "relation": "is confused with",
        "target": "postage meter imprint",
        "why": "postage paid, applied by the sender"
      },
      {
        "relation": "is studied by",
        "target": "postal history",
        "why": "philatelic field"
      }
    ],
    "identifiers": [
      {
        "scheme": "UPU S10 item identifier carried by a label",
        "value_or_pattern": "2 letters service indicator + 8-digit serial + check digit + 2-letter country code",
        "note": "identifies the item, not the marking; the suffix names the issuing operator's country"
      }
    ],
    "standards_and_regulation": [
      "Universal Postal Union Convention and Regulations",
      "UPU standard S10 identifiers for postal items"
    ],
    "failure_modes_and_hazards": [
      "Illegible or missing date stamps",
      "Faked postmarks on philatelic items"
    ],
    "agent_conduct": {
      "may": [
        "read and classify markings",
        "explain postal history"
      ],
      "must_not": [
        "help forge postmarks or reuse postage",
        "track items without the sender's or recipient's details lawfully provided"
      ],
      "requires_human": [
        "authentication of valuable philatelic items by an expert"
      ]
    },
    "ethics": {
      "considerations": [
        "privacy of correspondence",
        "honesty in philatelic trade"
      ],
      "affected_parties": [
        "senders and recipients",
        "collectors"
      ]
    },
    "owners": {
      "steward": "the postal operator that applies the marking",
      "master_systems": [
        "postal operators' tracking systems"
      ]
    },
    "facets_not_applicable": {},
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [
    {
      "id": "SRC-001",
      "title": "Q17098680",
      "publisher": "Wikidata",
      "url": "https://www.wikidata.org/wiki/Q17098680",
      "what_it_supports": "identity of the registry item, labels and sitelinks",
      "url_status": "live"
    },
    {
      "id": "SRC-002",
      "title": "Marking Devices",
      "publisher": "Smithsonian National Postal Museum",
      "url": "https://postalmuseum.si.edu/exhibition/about-postal-operations-mail-processing/marking-devices",
      "what_it_supports": "postal marking devices",
      "url_status": "blocked"
    },
    {
      "id": "SRC-003",
      "title": "Collecting Postmarks",
      "publisher": "Smithsonian National Postal Museum",
      "url": "https://postalmuseum.si.edu/exhibition/hunting-for-wiesenthals/collecting-postmarks",
      "what_it_supports": "postmarks",
      "url_status": "blocked"
    },
    {
      "id": "SRC-004",
      "title": "Identification of postal items - 13-character identifier (S10)",
      "publisher": "Universal Postal Union",
      "url": "https://www.upu.int/UPU/media/upu/files/postalSolutions/programmesAndServices/standards/S10-12.pdf",
      "what_it_supports": "S10 identifiers",
      "url_status": "live"
    },
    {
      "id": "SRC-005",
      "title": "Postmark",
      "publisher": "Wikipedia",
      "url": "https://en.wikipedia.org/wiki/Postmark",
      "what_it_supports": "general description",
      "url_status": "live"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "marking-type",
        "name": "Marking type",
        "description": "What the mark is.",
        "rationale": "Type decides what it tells.",
        "layers": [
          {
            "id": "classification",
            "name": "Classification",
            "description": "Postmark, cancellation, instruction.",
            "findings": [
              {
                "id": "type",
                "name": "Type",
                "description": "Kind and function.",
                "questions": [
                  {
                    "text": "What kind of marking is this?",
                    "kind": "definition"
                  },
                  {
                    "text": "What was it for?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "method",
            "name": "Method",
            "description": "Handstamp, machine, printed.",
            "findings": [
              {
                "id": "application-method",
                "name": "Application method",
                "description": "Handstamp, machine, printer or manuscript.",
                "questions": [
                  {
                    "text": "Was it applied by hand, machine or printer?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which machine type?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "content",
        "name": "Content",
        "description": "What it says.",
        "rationale": "Date and place are the key data.",
        "layers": [
          {
            "id": "date-and-place",
            "name": "Date and place",
            "description": "Office and time.",
            "findings": [
              {
                "id": "date-and-office",
                "name": "Date and office",
                "description": "Date, time and office, and which event the date records.",
                "questions": [
                  {
                    "text": "Which date, time and office does it show?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is any part illegible?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "codes",
            "name": "Codes",
            "description": "Barcodes and identifiers.",
            "findings": [
              {
                "id": "item-codes",
                "name": "Item codes",
                "description": "Tracking and sorting codes.",
                "questions": [
                  {
                    "text": "Which identifiers appear on the item?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which standard do they follow?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "handling",
        "name": "Handling",
        "description": "Route and instructions.",
        "rationale": "Markings record the item's journey.",
        "layers": [
          {
            "id": "route",
            "name": "Route",
            "description": "Transit and arrival marks.",
            "findings": [
              {
                "id": "route-record",
                "name": "Route record",
                "description": "Sequence of offices.",
                "questions": [
                  {
                    "text": "Which offices handled the item?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How long did it take?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "instructions",
            "name": "Instructions",
            "description": "Returns and charges.",
            "findings": [
              {
                "id": "instruction",
                "name": "Instruction",
                "description": "Return, redirect or charge.",
                "questions": [
                  {
                    "text": "What instruction does the mark give?",
                    "kind": "definition"
                  },
                  {
                    "text": "Why was it applied?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "postal-history",
        "name": "Postal history",
        "description": "Markings as historical evidence.",
        "rationale": "Collectors and historians study them.",
        "layers": [
          {
            "id": "rarity-and-value",
            "name": "Rarity and value",
            "description": "Collectable markings.",
            "findings": [
              {
                "id": "collectability",
                "name": "Collectability",
                "description": "Rarity and catalogues.",
                "questions": [
                  {
                    "text": "Is the marking recorded in a specialised catalogue?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How rare is it?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "authenticity",
            "name": "Authenticity",
            "description": "Genuine or faked.",
            "findings": [
              {
                "id": "authenticity",
                "name": "Authenticity",
                "description": "Expert opinion.",
                "questions": [
                  {
                    "text": "Has an expert certified it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What signs of faking exist?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "The registry places postal markings under built environment; information domain may fit better."
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
