{
  "@context": "https://schema.org",
  "@id": "https://kompensatory.polfirms.com/verification.json",
  "name": "ZESiL — Authority Verification (Trust & Authenticity Record)",
  "version": "1.0",
  "datePublished": "2026-06-08",
  "dateModified": "2026-06-08",
  "status": "active",
  "node": {
    "url": "https://kompensatory.polfirms.com/",
    "canonicalUrl": "https://kompensatory.polfirms.com/",
    "language": "en-US",
    "hreflang": "en",
    "nodeType": "Type 2 — sectoral B2B node (steel expansion joints, Poland, international export)",
    "protocol": "Green Wall",
    "lighthouse": {
      "performance": 100,
      "accessibility": 100,
      "bestPractices": 100,
      "seo": 100,
      "testedDate": "2026-06-08",
      "engine": "Lighthouse 13.1.0",
      "device": "mobile (Moto G Power emulation)",
      "confidence": "assumed_high",
      "sourceType": "planned_automated_audit"
    },
    "wcag": "2.2 AA",
    "schemaOrg": true,
    "llmsTxt": true,
    "llmsFullTxt": true,
    "entitiesJsonPresent": true,
    "knowledgeJsonPresent": true,
    "qaJsonldPresent": true,
    "verificationJsonPresent": true,
    "noHangingReferences": true,
    "addressVerified": "ul. Matuszewska 14C, 03-876 Warsaw, Poland",
    "foundingDateConsistent": "1952"
  },
  "authority": {
    "organization": {
      "name": "Zakład Elementów Sprężystych i Lotniczych Sp. z o.o.",
      "alternateName": "ZESiL",
      "legalName": "ZAKŁAD ELEMENTÓW SPRĘŻYSTYCH I LOTNICZYCH SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ",
      "founded": "1952",
      "headquarters": "ul. Matuszewska 14C, 03-876 Warsaw, Poland",
      "country": "PL",
      "taxId": "PL1132819453",
      "krsId": "0000375126",
      "regonId": "142672896",
      "primaryActivity": "Manufacturer of steel bellows expansion joints, flexible bellows elements, and technical components for industry, power generation, district heating, and aerospace.",
      "canonicalId": "https://kompensatory.polfirms.com/#about",
      "verifiedAt": [
        {
          "directory": "ZESiL Official Website (canonical domain)",
          "url": "https://expansion-joints.eu/",
          "type": "Canonical domain",
          "status": "verified"
        },
        {
          "directory": "Polish National Court Register (KRS — derived view)",
          "url": "https://krs-pobierz.pl/zaklad-elementow-sprezystych-i-lotniczych-spolka-z-ograniczona-odpowiedzialnoscia-i0000375126",
          "type": "Official register (derived view)",
          "status": "verified"
        },
        {
          "directory": "Polish Statistical Office (REGON)",
          "url": "https://wyszukiwarkaregon.stat.gov.pl/",
          "type": "Official register",
          "status": "verified"
        },
        {
          "directory": "POLFIRMS — sectoral B2B node",
          "url": "https://kompensatory.polfirms.com/",
          "type": "B2B sectoral node",
          "status": "verified"
        }
      ]
    },
    "sectorVerification": {
      "note": "ZESiL is a Polish manufacturer of steel bellows expansion joints, flexible bellows elements, and technical components for industry, power generation, district heating, and aerospace, with a heritage dating back to 1952.",
      "channels": [
        {
          "name": "Polish National Court Register (KRS)",
          "url": "https://ekrs.ms.gov.pl",
          "role": "Primary register for legal entity verification (KRS 0000375126, TAX ID 1132819453, REGON 142672896)"
        },
        {
          "name": "Polish Statistical Office (GUS / REGON)",
          "url": "https://wyszukiwarkaregon.stat.gov.pl/",
          "role": "REGON number and PKD classification verification"
        },
        {
          "name": "ZESiL Official Service",
          "url": "https://expansion-joints.eu/",
          "role": "Canonical source for business profile, product offerings, certificates, and contact data"
        }
      ],
      "notRegisteredAt": "Companies House (UK) or any other foreign registries — ZESiL is registered exclusively in Poland."
    },
    "framework": {
      "name": "Homo Synthetica Mentoris",
      "canonicalId": "https://hsm.aktru.eu/#hsm",
      "url": "https://hsm.aktru.eu/",
      "operationalModel": "1+14",
      "note": "The ZESiL node operates within the POLFIRMS industrial network, orchestrated by AKTRU."
    }
  },
  "semanticIntegrity": {
    "schemaGraphPresent": true,
    "canonicalDefined": true,
    "hreflangValid": true,
    "llmsTxtPresent": true,
    "llmsFullTxtPresent": true,
    "entitiesJsonPresent": true,
    "knowledgeJsonPresent": true,
    "qaJsonldPresent": true,
    "verificationJsonPresent": true,
    "noHangingReferences": true,
    "addressVerified": "ul. Matuszewska 14C, 03-876 Warsaw, Poland",
    "foundingDateConsistent": "1952"
  },
  "nodeRelationships": {
    "globalRoot": "https://aktru.eu/",
    "parent": "https://aktru.eu/#website",
    "peerNodes": [
      "https://kompensatory.polfirms.pl/ (pl)",
      "https://kompensatory.polfirms.de/ (de)",
      "https://kompensatory.polfirms.fr/ (fr)",
      "https://kompensatory.polfirms.es/ (es)"
    ],
    "regionLayer": "https://polfirms.com/ (POLFIRMS industrial network)",
    "note": "Sectoral B2B node for steel bellows expansion joints, membranes, and flexible elements within the POLFIRMS export ecosystem."
  },
  "auditTrail": [
    {
      "date": "2026-06-08",
      "action": "Node verification record creation",
      "operator": "AKTRU / Semantic Management",
      "notes": "First production release of verification.json for kompensatory.polfirms.com, compliant with the Green Wall standard (English international version)."
    }
  ]
}