{
    "tender_id": 3421218,
    "check": {
        "ok": true,
        "versions": 2,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-26T17:34:41Z",
            "content": "{\"cpv\": \"45221111\", \"url\": \"https://gddkia.eb2b.com.pl/open-preview-auction.html/535564/wykonanie-naprawy-wiaduktu-wd-7-o-konstrukcji-lukowej-w-km-68-606-nad-droga-ekspresowa-s14\", \"buyer\": \"GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD\", \"title\": \"Wykonanie naprawy wiaduktu WD-7 o konstrukcji łukowej w km 68+606 nad drogą ekspresową S14\", \"source\": \"gddkia_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"535564\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T11:00:00Z\"}",
            "content_hash": "6bbae4923d7d7336a47b5180f04b94d40c1d3a7aa6fa7fa71e5966db068f5ccd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "35d9c9ba7b80e64ce421fe96b46b17345fc23064692eb6aacd66a470cc917795",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:36:10Z",
            "content": "{\"cpv\": \"45221111\", \"url\": \"https://gddkia.eb2b.com.pl/open-preview-auction.html/535564/wykonanie-naprawy-wiaduktu-wd-7-o-konstrukcji-lukowej-w-km-68-606-nad-droga-ekspresowa-s14\", \"buyer\": \"GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD\", \"title\": \"Wykonanie naprawy wiaduktu WD-7 o konstrukcji łukowej w km 68+606 nad drogą ekspresową S14\", \"source\": \"gddkia_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"535564\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T11:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535564/wykonanie-naprawy-wiaduktu-wd-7-o-konstrukcji-lukowej-w-km-68-606-nad-droga-ekspresowa-s14\"}",
            "content_hash": "c3cf7ab68785604077d2d476e9bd91361d01ce03de7dea305518537698b278ea",
            "prev_hash": "35d9c9ba7b80e64ce421fe96b46b17345fc23064692eb6aacd66a470cc917795",
            "hash": "24de61d85beafe114c483f3a1170e4e62cd8e8beac24baf0b229937cea735c63",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}