{
    "tender_id": 4818767,
    "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": "2026-11-02T19:47:45Z",
            "content": "{\"cpv\": \"09100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866655/tankowanie-paliw-cieklych\", \"buyer\": \"PRZEDSIĘBIORSTWO WODOCIĄGÓW I KANALIZACJI Sp. z o.o.\", \"title\": \"Tankowanie paliw ciekłych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3866655\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T19:47:46Z\"}",
            "content_hash": "6281d6531d58c646500539f30846c715e4dd9114557a3e9d06fe48d9e549bf20",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "245795e3796ad846a5ec27e7847c4d3deb56eadd944b7588733252bdf112f430",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T20:45:35Z",
            "content": "{\"cpv\": \"09100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866655/tankowanie-paliw-cieklych\", \"buyer\": \"PRZEDSIĘBIORSTWO WODOCIĄGÓW I KANALIZACJI Sp. z o.o.\", \"title\": \"Tankowanie paliw ciekłych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3866655\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T19:47:46Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396562\"}",
            "content_hash": "212eef57ee9caa390f430f65abc92d05234fbe28ebff82a3fbb1676e418b1df3",
            "prev_hash": "245795e3796ad846a5ec27e7847c4d3deb56eadd944b7588733252bdf112f430",
            "hash": "509505420786a0c7613184ac596a53c8bd0360115314dc104ef4b7febca6fd07",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}