ZeqSPC

Statistical process control with HulyaPulse sampling intervals. Xbar-R charts, Cp/Cpk, Western Electric rules — Zeqond-stamped control limits for audit traceability.

Endpoint	POST /api/mfg/spc
Auth	api-key
Rate limit	20/min
Category	manufacturing

Parameters

Name	Type	Required	Description
measurements	array	Yes	[{ time, value, subgroup }]
specLimits	object	Yes	{ usl, lsl, target }

Returns

{ cpk, ppk, controlLimits, outOfControl, westernElectricViolations, zeqond }

Example

curl -sS -X POST \
  -H "Authorization: Bearer zsm_..." \
  -H "Content-Type: application/json" \
  -d '{
  "measurements": [],
  "specLimits": {}
}' \
  "https://zeqsdk.com/api/mfg/spc"

This protocol is a named building block — one of the operations you compose inside a state contract. Call it directly with the request above, or invoke it from a contract that fires on your machine's clock. Browse the whole library at GET /api/protocols; fetch this one at GET /api/protocols/zeq-spc.