{
    "tender_id": 4954652,
    "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": "2026-11-03T07:54:32Z",
            "content": "{\"cpv\": \"31730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3868599/dostawa-podchlorynu-sodu-do-pgk-zyrardow-sp-z-o-o-\", \"buyer\": \"Przedsiębiorstwo Gospodarki Komunalnej „Żyrardów” Sp. z o. o.\", \"title\": \"Dostawa podchlorynu sodu do PGK \\\"Żyrardów\\\" Sp. z o. o.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3868599\", \"deadline_at\": \"2026-11-06T09:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:54:33Z\"}",
            "content_hash": "dff1a066e1bdf15da292df3e110d598ee5ff88ff50c684dddf4d6e89d7b3ca74",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f3af29f701b0e271eaf776b1bbebb1f18e39d219d1eab9fc69647a823401086a",
            "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": "2026-11-03T08:45:35Z",
            "content": "{\"cpv\": \"31730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3868599/dostawa-podchlorynu-sodu-do-pgk-zyrardow-sp-z-o-o-\", \"buyer\": \"Przedsiębiorstwo Gospodarki Komunalnej „Żyrardów” Sp. z o. o.\", \"title\": \"Dostawa podchlorynu sodu do PGK \\\"Żyrardów\\\" Sp. z o. o.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3868599\", \"deadline_at\": \"2026-11-06T09:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:54:33Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402559\"}",
            "content_hash": "feb5aa32c71d9701652e16eb403aa8ab77bada30399a3c2a2750efa4c050974a",
            "prev_hash": "f3af29f701b0e271eaf776b1bbebb1f18e39d219d1eab9fc69647a823401086a",
            "hash": "967e5a0f4a56a49e3b62f885042d153073c4f93acb4a01a8aa0e5d4e92e41042",
            "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
            }
        }
    ]
}