{"$id":"https://example.org/schemas/anonymous-farm-co2-measurements.json","type":"array","items":{"type":"object","title":"CO2Measurement","required":["sensorId","co2ppm","createdAt"],"properties":{"farm":{"type":"string","description":"Anonymized farm identifier. Does not contain personally identifiable information."},"co2ppm":{"type":"number","minimum":0,"examples":[653,717],"description":"Carbon dioxide concentration measured in parts per million (ppm)."},"region":{"type":"string","description":"Geographic or administrative region where the sensor is located."},"sensorId":{"type":"string","description":"Unique identifier of the CO₂ sensor device."},"createdAt":{"type":"string","format":"string","pattern":"^\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}$","examples":["2025-11-07 21:46:15"],"description":"Timestamp when the CO₂ measurement was recorded."},"sensorBatteryPercentage":{"type":"number","maximum":100,"minimum":0,"description":"Remaining battery level of the sensor at the time of measurement, expressed as a percentage."}}},"title":"Anonymous Farm CO2 Measurements","$schema":"https://json-schema.org/draft/2020-12/schema","minItems":1,"description":"Time-stamped CO₂ concentration measurements collected by sensors deployed on anonymous farms, including sensor metadata, battery status, and regional context."}