Evidence
Evidence Artifact Layers
A frozen artifact proves which material was analyzed and preserves its identity. It does not prove that its content is true.
Capture Classes
FULL_RAWVERIFIED_EXTRACTHASH_METADATA_ONLYSTRUCTURED_API_RESPONSEMANUAL_TRANSCRIPTION
FULL_RAW != VERIFIED_EXTRACT
ARTIFACT INTEGRITY != CONTENT TRUTH
Source Independence
MULTIPLE URLs != INDEPENDENT SOURCES
External hosting can improve inspectability while still depending on issuer-authored or issuer-filed content.