{
    "tender_id": 3021350,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"15851100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850108/dostawa-abb-zabezpieczenie-ref541\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA: ABB ZABEZPIECZENIE REF541\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3850108\", \"deadline_at\": \"2026-10-26T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-23T13:09:10Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850108/dostawa-abb-zabezpieczenie-ref541\"}",
            "content_hash": "ee07b04e7f4caa5609b6139aff8a43768ef8d10b08705d56d3beef9375b68f01",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e6f99685228ed5ada058969a41c62608264b1341f30ae3ddf10b99774e23ba65",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:36:22Z",
            "content": "{\"cpv\": \"15851100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850108/dostawa-abb-zabezpieczenie-ref541\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA: ABB ZABEZPIECZENIE REF541\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3850108\", \"deadline_at\": \"2026-10-26T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-23T13:09:10Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=126751\"}",
            "content_hash": "45c5a91ce8133f80a688141e9a41e0367851396365f7ca39cc757d219f5db8b1",
            "prev_hash": "e6f99685228ed5ada058969a41c62608264b1341f30ae3ddf10b99774e23ba65",
            "hash": "50e22e53ba9886710ac4db3c16973c650b3f49b31f7da75aef786f67843dee7c",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-26T20:54:35Z",
            "content": "{\"cpv\": \"15851100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850108/dostawa-abb-zabezpieczenie-ref541\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA: ABB ZABEZPIECZENIE REF541\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3850108\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-23T13:09:10Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=126751\"}",
            "content_hash": "2b671ef03185f724a9c5c7c9cf8d5a4b01121c57d025c7117d5d87f1b6713d93",
            "prev_hash": "50e22e53ba9886710ac4db3c16973c650b3f49b31f7da75aef786f67843dee7c",
            "hash": "2cd500e6df893d06eb29edb557137b4b37caa6c4a022aab7560fdd9b032759e3",
            "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
            }
        }
    ]
}