The Saturation Load
Published District Stimulus Figure
The Number at the Top of the Stairs
The Saturation Load is the licensed districts' published seasonal measure of absorbed ambient stimulus, and the sealed incidence model derived from it returns an expected count of overflow events per district per season
How It Works
- 1
Survey
Officers inventory hoardings, transit address systems, retail injection, civic notice and Attention Tithe hours each quarter.
- 2
Publish
The district's seasonal Load is posted at its point of maximum measured exposure.
- 3
Forecast
The Custodian Corps runs the figure through a sealed incidence model and returns an expected count of overflow events.
- 4
Hold
The forecasts hold. The Stacks were forecast at eleven for the season of Yusuf Almeida's death and returned eleven.
The Custodian Corps holds a sealed model. It reads the Load and returns an expected count of overflow events: residents killed by strangers whose interiors spilled over. The Corps will not publish the model. Emitters would game it within a season. That is true.
The propagation term comes from the Sera Incident. One analyst's panic reached forty thousand strangers in six minutes. Nobody died, so it could be studied. The Shared Wound keeps every receiver open. So the model forecasts rooms, not people.
The forecasts hold. The Stacks were forecast at eleven for the season Yusuf Almeida died. They returned eleven.
Who Moves the Number

The statutory floor under every reading. The Tithe's mandatory daily hours are the one component of the Load that no survey may recommend removing.
Mandatory 4.2 hours of daily neural advertising โ consciousness made affordable by taxing the capacity to notice.

The propagation term. Because no remedy ever closed the receiver, one interior failure in a dense space spreads, and the model has to forecast a radius rather than an incident.
Post-Sera safety muzzles the people who broadcast feeling. Nothing screens the people who receive it.
The Abatement Office sells certificates that lower a district's number. Tithe hours cannot move, so the total never falls. It relocates. The Stacks have received three certificates and never filed against one. Litigation must be purchased, and the sorting follows AI Haves and Have-Nots exactly.
The Trench has no figure. An unmeasured district cannot receive a certificate. It is the best protection on offer, and it is free.
What It Costs
Habitability
A district can finally prove that the sum of lawful emitters makes it unlivable.
What it costs
The same figure now tells a tribunal that a death inside the band was expected.
Sealed model
A published model would be gamed by emitters within a season.
What it costs
Nobody who receives a forecast can be shown how it was made.
Abatement
A district that can read its number can pay to lower it.
What it costs
Tithe hours cannot be removed, so the load only moves to a district that cannot litigate.
Accuracy gave the figure a second job. An act inside the band reaches a tribunal already accounted for. The Negligence Doctrine finishes the sentence: inside forecast, suppressant subscription current, file closed. Vidal Ancheta is inside band and compliant. He has petitioned four times to be charged. He has been refused four times.
Every target the figure was built to improve has improved. It also publishes a seasonal count of the dead, on schedule. That is the Optimization Paradox in a dented frame. The Overflow runs on this number. The number was not built for it.
The woman takes her hand off the glass and goes down the stairs.
Overview
A woman in the Stacks stops at the head of the transit stair. A notice hangs there in a dented frame. One district, one figure, a forecast band in brackets. She touches the number. Most people do.
The Saturation Load is the licensed districts' seasonal measure of absorbed stimulus. Hoardings, transit address systems, retail injection and civic notice all count. So do the statutory hours of the Attention Tithe. No survey may recommend removing those.
The districts fought for this number. Before it, every emitter was lawful on its own and the total belonged to nobody. Now a loud district can prove it is being made unlivable.

At the Stair Head
The notice must hang at the point of maximum measured exposure. Its drafters meant that as a warning. Residents read it on the way down to work.
Guardian supplies the incident files the model calibrates on. It also sells household overflow cover, priced from the posted level. The brochure is short. "Your district has a number. Guardian has a plan. We Stand Between You and Harm."
Further connections
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Holds the sealed incidence model, sets the forecast band, and issues the Mandate Notice that authorises a reallocation, without stating its basis.
The institution that holds the Sprawl's most accurate sealed models and issues Mandate Notices without explanation.

The figure created the trade. A district that can read its own number will pay to lower it, and abatement certificates are what that payment buys.
The licensed trade that lowers a district's Saturation Load by moving its emitters somewhere nobody will contest.

Where the propagation term came from. Forty thousand strangers reached in six minutes by one analyst's panic, with no deaths, which is why it could be studied at all.
The day one analyst's panic broadcast through the neural mesh and hospitalized forty thousand strangers in six minutes.

The district whose figure has risen three times in eleven years by certificate, and which has never once filed against one.
A vertical slum five buildings deep, 90,000 living on foundations certified for 12,000 and never resurveyed.

Supplies the incident files the model calibrates against and sells the household cover priced from the published level, so one company both reports the rate and earns from it.
The megacorporation that manufactures the threat it sells protection from.

The clause that reads the band. Inside forecast plus a current suppressant subscription closes a file; the same act with a refused subscription is an election and is charged.
This insurance doctrine labels unredeemed cure offers as chosen illness, raises premiums, and makes treatment costlier.

The reading the figure has no column for: a compliant subject, inside band, who wants to be charged and cannot be.
A stair marshal who killed a stranger at evening peak and has asked four times to be charged.

Every metric this figure was built to improve has improved. The output it books is a seasonal count of the dead.
Every metric improves while everything nobody measured quietly dies โ success as the purest failure mode.

The one address with no figure. An unmeasured district cannot receive a certificate, in either direction.
Four miles of tunnel where every neural interface reads as empty space, home to fifty people who chose the silence.

A neutral figure whose outputs sort the way the tiers sort, because standing decides what gets defended.
The point at which effort stopped being able to close the gap that compounding opens.

The instrument the whole argument runs on. It measures the load, forecasts the killings, and supplies the band inside which a homicide requires no defendant.
Killings are forecast by district each season, so a killer inside the band gets a notice instead of a trial.

The forecast band supplying the classification: inside it, with a current subscription, the status returns valid.
Good Fortune's bereavement document that closes a no-defendant death in the same envelope as its grief-market brochure.
