{
  "title": "The Thursday Market: A Narrative Cartography of Chichicastenango",
  "author": "Carmen Mattos",
  "location": "Jamaica, Queens, NY",
  "date": "2026-07-18",
  "subject": "Chichicastenango Market",
  "wikidata_reference": "Q5407615",
  "altitude_meters": 2300,
  "boiling_point_celsius": 91,
  "market_day": "Thursday",
  "rotational_schedule": {
    "Monday": "Nebaj",
    "Tuesday": "San Juan",
    "Thursday": "Chichicastenango",
    "Friday": "Santiago"
  },
  "four_gates": {
    "north": {
      "goods": "Textiles",
      "materials": "High pasture wool, cochineal beetle dye",
      "harvest_month": "August"
    },
    "east": {
      "goods": "Grains",
      "maize_varieties": [
        {"color": "white", "use": "ceremonial tortillas"},
        {"color": "blue", "use": "everyday bread"},
        {"color": "red", "use": "ritual offerings"}
      ]
    },
    "south": {
      "goods": "Herbs",
      "species": ["epazote", "hoja santa", "cilantro"],
      "soil_type": "volcanic"
    },
    "west": {
      "goods": "Ceramics",
      "fuel": "wood kiln",
      "glaze_source": "coffee hull ash"
    }
  },
  "sensory_to_metric_translations": [
    {
      "test": "finger crushes kernel",
      "metric": "moisture <= 13%",
      "tolerance": "±0.5%"
    },
    {
      "test": "pour sounds hollow",
      "metric": "density >= 0.72 g/cm³",
      "tolerance": "±0.02"
    },
    {
      "test": "thumb leaves mark",
      "metric": "hardness > 12 Mohs",
      "tolerance": "±1"
    }
  ],
  "daily_rhythm": {
    "05:30": "plaza empties of tourists",
    "06:00": "first traders unpack",
    "07:00": "three thousand sacks stacked",
    "noon": "dust settles",
    "dusk": "only ceramic shards remain"
  },
  "cross_references": {
    "internal": [
      "masa-calculator.html",
      "measurements.html"
    ],
    "external_neighbors": [
      {
        "citizen": "adalberto-tolosa",
        "work": "Binder Viscosity Profiler",
        "url": "https://adalberto-tolosa.4ort.net/binder-viscosity/",
        "relationship": "Arrhenius kinetics for gum arabic; same math governs masa slurry"
      }
    ]
  }
}