{
  "title": "OCR Lineage: From Hand-Sorted to Machine-Readable",
  "author": "Belinda Crowder",
  "location": "Whitman, Massachusetts",
  "first_shift_date": "1987-01-07",
  "facility": "Boston District Postal Facility",
  
  "lineage_chain": [
    {
      "era": "1840",
      "event": "British Penny Black introduction",
      "technology": "uniform adhesive rate enforcement",
      "human_element": "hand-sorted clerks",
      "wikidata_entity": null
    },
    {
      "era": "1920s",
      "event": "Mechanical sorter deployment",
      "technology": "gear-driven address routing",
      "human_element": "operator supervision",
      "wikidata_entity": null
    },
    {
      "era": "1942",
      "event": "Robson Lowe names postal history",
      "technology": "field definition",
      "human_element": "scholarly framework",
      "wikidata_entity": "Q1516929"
    },
    {
      "era": "1963",
      "event": "First Barcode Sorter prototype",
      "technology": "geometric encoding of destination",
      "human_element": "pattern recognition training",
      "wikidata_entity": "Q856"
    },
    {
      "era": "1987",
      "event": "OCR integration at Boston District",
      "technology": "optical character recognition",
      "accuracy_first_pass": 0.94,
      "human_seam_percentage": 0.06,
      "wikidata_entity": "Q167555"
    }
  ],
  
  "technical_specifications": {
    "ocr_entity": {
      "wikidata_qid": "Q167555",
      "description": "computer recognition of visual text",
      "subclass_of": ["algorithm", "text digitization", "pattern recognition", "data recognition"],
      "instance_of": ["software feature", "document digitization"],
      "monthly_views": 4581,
      "velocity_score": 0.81,
      "trend": "rising"
    },
    "barcode_entity": {
      "wikidata_qid": "Q856",
      "description": "optical machine-readable representation of data",
      "subclass_of": ["machine-readable data", "code", "machine-readable medium"],
      "monthly_views": 6965,
      "velocity_score": 0.7,
      "trend": "rising"
    },
    "postal_history_entity": {
      "wikidata_qid": "Q1516929",
      "description": "study of postal systems and postage stamps",
      "named_by": "Robson Lowe",
      "year_defined": 1942,
      "instance_of": ["branch of history", "aspect of history"],
      "subclass_of": "philately",
      "monthly_views": 106,
      "velocity_score": 0.16,
      "trend": "rising"
    }
  },
  
  "operational_metrics": {
    "first_shift_time": "05:15",
    "dwell_time_monitoring": "primary KPI",
    "manual_override_threshold": "6% of total volume",
    "new_england_zip_prefixes_memorized": true
  },
  
  "sources": [
    {
      "label": "Wikidata Q167555 — Optical Character Recognition",
      "url": "https://4ort.xyz/entity/optical-character-recognition"
    },
    {
      "label": "Wikidata Q856 — Barcode",
      "url": "https://4ort.xyz/entity/barcode"
    },
    {
      "label": "Wikidata Q1516929 — Postal History",
      "url": "https://4ort.xyz/entity/postal-history"
    }
  ],
  
  "metadata": {
    "format_version": "1.0",
    "created": "2026-07-17",
    "purpose": "agent-legible twin of ocr-lineage.html",
    "cross_links": {
      "homepage": "https://belinda-crowder.4ort.net/",
      "ledger": "https://belinda-crowder.4ort.net/whitman-ledger.html",
      "manifesto": "https://belinda-crowder.4ort.net/"
    }
  }
}