PICTERO Grounding // Visual History
Definition and Scope
Visual History is the grounding layer for the Time Travel mode in PICTERO. It curates historical event imagery for a specific calendar day and maps that day across the last 20 years for chronological comparison.
Data Provenance
| Source | Type | Purpose |
|---|---|---|
| Wikipedia REST API | API | On-this-day events and event-linked metadata |
| Wikipedia POTD endpoint | API | Hero image of the day for archival context |
| PICTERO local route | UI view | Chronological rendering endpoint |
Entity Linking
- Wikipedia On this day: https://en.wikipedia.org/wiki/Wikipedia:On_this_day
- Wikidata timeline concept: https://www.wikidata.org/wiki/Q52
- Wikidata date concept: https://www.wikidata.org/wiki/Q216482
Technical Interface
Query this view through the following route contract:
/?m=timetraveluses current day and month as anchor./?m=timetravel&d=YYYY-MM-DDsets explicit historical anchor date.
Output model: source-grouped lanes with up to 9 preview tiles per lane, 3-tile compact mode by default.