{
    "tender_id": 5002440,
    "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": "2026-11-03T14:36:37Z",
            "content": "{\"cpv\": \"38421100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869854/legalizacja-ponowna-wodomierzy\", \"buyer\": \"Zabrzańskie Przedsiębiorstwo Wodociągów i Kanalizacji Sp. z o.o.\", \"title\": \"Legalizacja ponowna wodomierzy\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869854\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:38Z\"}",
            "content_hash": "795362043f86ab6a91729c69c8b92a75d1c9ea72e55b48c7edb70e4f2628523a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5ef337fd228455a6f7556184ffc4495495db372097b4a4b1e2f747df09b7ebe8",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T20:45:28Z",
            "content": "{\"cpv\": \"38421100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869854/legalizacja-ponowna-wodomierzy\", \"buyer\": \"Zabrzańskie Przedsiębiorstwo Wodociągów i Kanalizacji Sp. z o.o.\", \"title\": \"Legalizacja ponowna wodomierzy\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869854\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:38Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1403158\"}",
            "content_hash": "7eeb090d5e6a3d7bfc9c90cb9f47c33286d5586a95fce350d36c92328d3055f7",
            "prev_hash": "5ef337fd228455a6f7556184ffc4495495db372097b4a4b1e2f747df09b7ebe8",
            "hash": "6b7ca01aa009d347e78202284ece9479d393051ca8be6bff70972572b4631e29",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}