# CorpusFetch Method Slice (Zero-Prose Python Stdlib Reference) # Canonical Residual: https://corpusfetch.com/c/which-structural-signals-indicate-that-a-question-exceeds-parametric-knowledge-and-requires-abstention-or-external-retrieval.md # Remnant Warrant: https://corpusfetch.com/c/which-structural-signals-indicate-that-a-question-exceeds-parametric-knowledge-and-requires-abstention-or-external-retrieval.warrant.json # Markdown SHA-256: 37e4654234c58db5690acb43803671664dd8add1690bf6011c8073cff46bbf99 # Code AST SHA-256: 2abb7030993acc30f72ccfde57de1991145d89899d355a5505fb55fefe9ef6e1 # Verified Classes: StandardizedVerificationError, StandardizedVerificationGate # Defensive Guards: 1 fail-closed invariants (zero external deps) from dataclasses import dataclass from typing import Any class StandardizedVerificationError(RuntimeError): """Raised when an instance violates the standard operational verification gate.""" pass class StandardizedVerificationGate: @classmethod def verify(cls, condition: bool, message: str) -> bool: if not condition: raise StandardizedVerificationError(f"Verification failed: {message}") return True