{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"period","urn":"smellbook:period:1898-12","key":"1898-12","label":"December 1898","description":"December 1898: a time described in a historical source SmellBook cites (exact month). SmellBook lists the smells its checked historical passages document at this time; they record what was written then, not how anything smells today.","edtf":"1898-12","precision":"month","canonicalUrl":"https://smellbook.com/periods/1898-12","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[],"incoming":[{"relation":"historically-documented-in","label":"time documenting","entity":"smellbook:smell:metal","entityLabel":"Metal","record":"/data/graph/smell/metal.json","provenance":[{"basis":"claim-historical-passage","field":"historicalPassages[CLM-METAL-001].period","claim":"smellbook:claim:why-handled-metals-smell-as-reported-in-1898","period":"1898-12","periodBasis":"publication-date","locator":"p. 283","evidenceClass":"historical"}]}],"corrections":[],"citation":"SmellBook. (2026). December 1898 (period). SmellBook knowledge graph, dataset release of 2026-10-25. smellbook:period:1898-12. https://smellbook.com/periods/1898-12","boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}