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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=Q256598&oldid=2534636434","title":"Wikidata Q256598, revision 2534636434","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T02:50:09.085Z","recordId":"Q256598:P17@2534636434"},{"url":"https://www.wikidata.org/w/index.php?title=Q30&oldid=2556188301","title":"Wikidata label: Q30, revision 2556188301","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T00:45:25.927Z","recordId":"Q30:label:en@2556188301"}]},{"claimId":"brandsource:semgroup:wikidata:p571","version":1,"entityId":"wd_Q256598","entitySlug":"semgroup","entityName":"SemGroup","entityKind":"brand","profilePath":"/brands/semgroup","field":"wikidata.p571","label":"Inception (Wikidata)","value":"2001","scope":"Wikidata Q256598 property P571. 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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=Q256598&oldid=2534636434","title":"Wikidata Q256598, revision 2534636434","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T02:50:09.085Z","recordId":"Q256598:P571@2534636434"}]},{"claimId":"brandsource:semgroup:wikidata:p452","version":1,"entityId":"wd_Q256598","entitySlug":"semgroup","entityName":"SemGroup","entityKind":"brand","profilePath":"/brands/semgroup","field":"wikidata.p452","label":"Industry (Wikidata; date unspecified)","value":"petroleum industry","scope":"Wikidata Q256598 property P452. 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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=Q256598&oldid=2534636434","title":"Wikidata Q256598, revision 2534636434","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T02:50:09.085Z","recordId":"Q256598:P452@2534636434"},{"url":"https://www.wikidata.org/w/index.php?title=Q862571&oldid=2544233188","title":"Wikidata label: Q862571, revision 2544233188","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T03:07:39.456Z","recordId":"Q862571:label:en@2544233188"}]},{"claimId":"brandsource:semgroup:wikidata:p1454","version":1,"entityId":"wd_Q256598","entitySlug":"semgroup","entityName":"SemGroup","entityKind":"brand","profilePath":"/brands/semgroup","field":"wikidata.p1454","label":"Legal form (Wikidata; date unspecified)","value":"Delaware corporation","scope":"Wikidata Q256598 property P1454. 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":"2026-10-17T04:59:33.658Z","reviewDueAt":"2027-01-15T04:59:33.658Z","publishedAt":"2026-10-17T04:59:33.658Z","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=Q256598&oldid=2534636434","title":"Wikidata Q256598, revision 2534636434","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T02:50:09.085Z","recordId":"Q256598:P1454@2534636434"},{"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:semgroup:wikidata:p856","version":1,"entityId":"wd_Q256598","entitySlug":"semgroup","entityName":"SemGroup","entityKind":"brand","profilePath":"/brands/semgroup","field":"wikidata.p856","label":"Official website (Wikidata; date unspecified)","value":"http://www.semgrouplp.com/","scope":"Wikidata Q256598 property P856. 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