Universal Passport Engine · v0.1
One identity architecture
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Object ≠ page

One Passport.
Many scientific populations.

A Passport is the stable representative identity of an object inside the City. Page presentation may change; object identity, provenance, relationships and review history should persist.

Common passport fields

IdentityObject ID · population ID · object type · canonical label.
ProvenanceSource · origin · retrieval · version · evidence pointer.
StateObserved · Candidate · AI-prereviewed · HI-reviewed · Validated · Proposed.
RelationshipsTyped edges with direction, source and review state.
QuestionsWhat this object answers, triggers, leaves unknown or challenges.
History & learningCorrections, promotions, demotions, lessons and changed future rules.

Population inheritance examples

Design rule: Passports identify and preserve; Explorer observes; Navigator travels; Evidence governs promotion. These functions should remain distinct even when presented on the same object page.