PICTERO Grounding // Visual Source Provenance

Definition and Scope

This page defines provenance rules used by PICTERO to convert heterogeneous source documents into normalized visual tiles. The scope includes extraction priority, fallback behavior, and route-specific trust boundaries.

Data Provenance

Source ClassPrimary SystemsNormalization Goal
HistoricalWikipedia REST APIEvent-linked imagery and date-grounded timeline lanes
NewsBBC, CNN, Spiegel, The Guardian feedsSource-grouped world and topical visual headlines
MemesReddit JSON + selected RSSTopic-aware humor lanes with daily cache safeguards
Digital ArtCurated visual APIs and mood tagsMood-grounded aesthetic discovery lanes

Entity Linking

Technical Interface

Core route contracts for provenance-aware views:

Extraction priority model: enclosure/media fields, embedded media metadata, and validated image fallback per route class.