adr/adr-005-authoritative-sources-provenance

Adr/Adr 005 Authoritative Sources Provenance

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ADR-005 — Authoritative sources with explicit provenance

Status: Accepted Date: 2026-09-13

Context

Zagros security conclusions depend on evidence quality, freshness, and traceability.

Decision

Prefer authoritative upstream sources and persist source identity, version, canonical and retrieval URLs, timestamps, license, content hash, and trust tier.

Consequences

Claims remain traceable, conflicts can be surfaced explicitly, and stale or transformed evidence is easier to detect. Ingestion must preserve additional metadata.

Alternatives considered

Convenience mirrors and undifferentiated web search were rejected as primary evidence because they weaken authority and reproducibility.