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Horning, M.D. seat on Revolution Medicines, Inc., effective 2023-01-01.","derivation":"temporal_relationship_change"}]},"claims":[{"id":"alpha:claim:person:sandra-j-horning-m-d:role:1","subject_id":"alpha:person:sandra-j-horning-m-d","predicate":"alpha:hasCurrentRole","object_id":"alpha:company:revolution-medicines-inc","object_label":"Revolution Medicines, Inc.","object_source_name_forms":["Revolution Medicines, Inc."],"value":"Director at Revolution Medicines, Inc.","claim_type":"professional_role","predicate_id":"alpha:predicate:professional_role","predicate_version":1,"machine_key":"professional_role","human_label":"Professional Role","governed_predicate":true,"machine_value":{"role_category":"director"},"corroboration_count":1,"source_claim_count":1,"valid_from":"2023-01-01","valid_to":null,"recorded_at":"2026-04-30T20:20:07.174+00:00","sources":[{"id":"alpha:projection-evidence:document:4acaff52cb3ca02cb6c00aea4f95559651ef1e9f92da4abcf24de303f1b415e0","identity_scope":"source_document_reference","source_type":"sec_proxy","title":null,"publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1628171/000119312525103947/d942361ddef14a.htm","source_date":"2025-04-29","retrieved_at":"2026-04-30T20:20:01.357+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2023-01-01","effective_until":null,"observed_at":"2026-10-17T08:45:05.041791+00:00","reviewed_at":"2026-04-30T20:20:07.174+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-0:d751713988987e9331980363e24189ce"}],"evidence":[{"id":"alpha:projection-evidence:document:4acaff52cb3ca02cb6c00aea4f95559651ef1e9f92da4abcf24de303f1b415e0","identity_scope":"source_document_reference","source_type":"sec_proxy","title":null,"publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1628171/000119312525103947/d942361ddef14a.htm","source_date":"2025-04-29","retrieved_at":"2026-04-30T20:20:01.357+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"coverage_state":"PUBLISHED","quality":{"schema_version":"alpha-record-quality-v2","overall":0.938,"status":"excellent","publication_readiness":"ready","dimensions":{"identity":1,"coverage":0.8,"freshness":1,"evidence_completeness":1,"source_authority":1,"cross_source_agreement":0.781,"temporal_completeness":1},"diagnostics":{"published_claims":8,"factual_claims":8,"claims_with_linked_evidence":8,"disputed_claims":0,"conflicts":0,"stale_claims":0,"stale_claim_ids":[],"temporal_claims":1,"temporal_claims_with_valid_from":1,"missing_coverage_sections":["ratings"],"missing_expected_claims":[]},"derivation":"deterministic_record_projection"},"publication":{"state":"PUBLISHED","published_at":"2026-09-02T02:37:24.171897+00:00","observed_at":"2026-10-17T08:45:05.041791+00:00","reviewed_at":"2026-04-30T20:20:07.174+00:00","verified_at":null},"verification":{"schema_version":"alpha-verification-states-v1","state":"corroborated","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":7,"corroborated":1,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"At least one published claim is corroborated by two or more public sources. Profile ownership is unclaimed.","facets":[{"facet":"identity","state":"unclaimed"},{"facet":"evidence","state":"corroborated"},{"facet":"evaluation","state":"not_evaluated"},{"facet":"monitoring","state":null},{"facet":"authority","state":null},{"facet":"freshness","state":"current"}]},"rights":{"public_retrieval":"allowed","agent_retrieval":"allowed","redistribution":"not_granted","model_training":"not_granted","commercial_use":"not_specified","relationship_pathfinding":"not_granted","direct_contact":"not_granted"},"resource":{"uri":"alpha://person/sandra-j-horning-m-d/events","section":"events","href":"https://registry.alpha.ac/api/public/profiles/sandra-j-horning-m-d?format=record&section=events","media_type":"application/json","availability":"contract"},"limitations":["Only permissioned public claims and evidence are included.","Absence of a claim is not evidence that the underlying fact is false.","Public retrieval does not grant model-training or redistribution rights.","Private relationships and Council activity are excluded."]}