# Worldstate Reality Delta

Capability ID: worldstate-reality-delta-v1
Commercial state: verification_required
Machine state: discovery_only
Public URL: https://fabric.systemiacommandcenters.com/capabilities/worldstate-reality-delta-v1
Preferred agent route: universal fallback
Universal Evercraft MCP: https://fabric.systemiacommandcenters.com/mcp
Start here: Not a current sell-now route

## Use this when

- what changed in the real world
- show me the reality delta for this place or system
- compare verified worldstate before and after an event
- what materially changed across weather infrastructure economy health or hazards
- build a provenance-preserving worldstate snapshot
- turn observations into an evidence-backed change packet

## Problem

A user or Evercraft system needs to understand what materially changed in the real world across time without collapsing observed, reported, inferred, modeled, or uncertain evidence into one undifferentiated claim.

## Inputs

A bounded place, system, phenomenon, time window, or decision context plus available observation/context sources and authority scope.

## Outputs

Evidence-preserving worldstate snapshots, material deltas, provenance links, evidence-state labels, contradictions, uncertainty, and bounded context packets for downstream Evercraft systems.

## Pricing

No approved public machine price or payment path. Do not auto-quote.

## Invocation and authority

SOURCE-VERIFIED: Worldstate snapshot/delta, Context Fabric adapter/reader, observation fabric, Passport-authorized read path, and Fallen phenomenon bridge are covered by repository proofs. Public machine execution is not claimed until an external callable route is independently verified.

Discovery and evidence comparison create no action authority. Publishing, consequential decisions, private-data access, and paid work remain separately authorized.

Payment authority: No verified public payment path.

Discovery does not create a payment obligation. Human confirmation is required before checkout where checkout exists. Checkout creation is not proof of payment.