{
    "tender_id": 6427035,
    "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": "2026-11-10T20:35:37Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888526/rekawice-specjalne\", \"buyer\": \"Komenda Wojewódzka PSP w Katowicach\", \"title\": \"Rękawice specjalne\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3888526\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T20:35:38Z\"}",
            "content_hash": "21cd2f8e5c742f18f178f762a4e9de1cd616e5d958ef6df23cca481de3f8756a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d0466a96270892e810bec20d5b47f9acb557c3f6ac14680ca7caae7913968b1b",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T21:45:38Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888526/rekawice-specjalne\", \"buyer\": \"Komenda Wojewódzka PSP w Katowicach\", \"title\": \"Rękawice specjalne\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3888526\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T20:35:38Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1407423\"}",
            "content_hash": "43b57f3c34b50c8d074717b62ce791927eaa9a34aac7e46deb169cb4eb055b1d",
            "prev_hash": "d0466a96270892e810bec20d5b47f9acb557c3f6ac14680ca7caae7913968b1b",
            "hash": "1d1d6852678278a8999e75887d56ad891124ee4203c05d77413bb8ce96216d6c",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}