DEVELOPER CONTRACT
Challenge window API
The public API is read-only and content-free. Runtime validation is pure and performs no external action.
Exact owners
API: /api/concresca/rotating-origin-challenges
Source: data/_source/v047-rotating-origin-challenges.json
Runtime: concresca_runtime/rotating_challenges.py
Neutral failures
Invalid scope, stale keys, replay, missing limitations, wrong environment, incomplete rollback, and unavailable evidence produce technical refusal states without participant evaluation.
EVIDENCE BOUNDARY
Exact scope, owner, correction, expiry, and limitations remain authoritative.
A color, badge, HTTP status, screenshot, signature shape, witness count, or passing test cannot promote an operational proposition. Cancellation, refusal, conflict, timeout, expiry, revocation, and rollback are neutral technical states.
NO JUDGMENT WHATSOEVER. Participant-evaluation and standing effects remain NONE.
