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Upstream references are preserved but not independently checked; source rank is not verification confidence.","reviewMethod":"rule-validated","ruleSet":"brandsource-wikidata-v1","sources":[{"url":"https://www.wikidata.org/w/index.php?title=Q151670&oldid=2549946601","title":"Wikidata Q151670, revision 2549946601","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T05:01:15.998Z","recordId":"Q151670:P1454@2549946601"},{"url":"https://www.wikidata.org/w/index.php?title=Q88537331&oldid=2527328573","title":"Wikidata label: Q88537331, revision 2527328573","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T03:08:24.925Z","recordId":"Q88537331:label:en@2527328573"}]},{"claimId":"brandsource:alleghany-corporation:wikidata:p856","version":1,"entityId":"wd_Q151670","entitySlug":"alleghany-corporation","entityName":"Alleghany Corporation","entityKind":"brand","profilePath":"/brands/alleghany-corporation","field":"wikidata.p856","label":"Official website (Wikidata; date unspecified)","value":"http://www.alleghany.com/","scope":"Wikidata Q151670 property P856. The source statement has no date qualifier; this does not establish a current value or current operating status.","state":"source-published","effectiveState":"source-published","reviewedAt":"2026-10-17T06:48:13.554Z","reviewDueAt":"2027-01-15T06:48:13.554Z","publishedAt":"2026-10-17T06:48:13.554Z","explanation":"Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.","reviewMethod":"rule-validated","ruleSet":"brandsource-wikidata-v1","sources":[{"url":"https://www.wikidata.org/w/index.php?title=Q151670&oldid=2549946601","title":"Wikidata Q151670, revision 2549946601","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T05:01:15.998Z","recordId":"Q151670:P856@2549946601"}]}],"unknowns":["This brief does not establish answers to topics outside the listed claims."]}