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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=Q15621442&oldid=2274864090","title":"Wikidata Q15621442, revision 2274864090","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T05:06:57.095Z","recordId":"Q15621442:P1454@2274864090"},{"url":"https://www.wikidata.org/w/index.php?title=Q134161&oldid=2553690928","title":"Wikidata label: Q134161, revision 2553690928","kind":"knowledge-base","lineage":"wikidata.org","observedAt":"2026-10-17T00:45:26.476Z","recordId":"Q134161:label:en@2553690928"}]},{"claimId":"brandsource:posco-specialty-steel:wikidata:p856","version":1,"entityId":"wd_Q15621442","entitySlug":"posco-specialty-steel","entityName":"POSCO Specialty Steel","entityKind":"brand","profilePath":"/brands/posco-specialty-steel","field":"wikidata.p856","label":"Official website (Wikidata; date unspecified)","value":"http://www.seahss.co.kr/","scope":"Wikidata Q15621442 property P856. 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