{
    "tender_id": 5172171,
    "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": "2026-11-04T09:54:30Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872511/si-ownik-nvka\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"SIŁOWNIK NVKA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3872511\", \"deadline_at\": \"2026-11-06T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:54:30Z\"}",
            "content_hash": "5a1655ca7097f64972e943ea319383985573626b5e99cc833bb2df6c39cf390a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3f12050bed49d8cfdf6072ed84d7f5c3217e7bf86f0c190ecbf17892e332d74d",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T11:45:33Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872511/si-ownik-nvka\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"SIŁOWNIK NVKA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3872511\", \"deadline_at\": \"2026-11-06T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:54:30Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128803\"}",
            "content_hash": "0314eada9383fe26d6ccd686dd4cc35ff72fa8588a15af184917b316addb644d",
            "prev_hash": "3f12050bed49d8cfdf6072ed84d7f5c3217e7bf86f0c190ecbf17892e332d74d",
            "hash": "c2743229ac92730a2cfa881d2eb7f32ea3a79740d78f6e232ac01c0f20997ea7",
            "actor": null,
            "seal": null
        }
    ]
}