{
    "tender_id": 6480457,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-11-11T03:23:59Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888909/dostawa-pomp\", \"buyer\": \"Miejskie Przedsiębiorstwo Energetyki Cieplnej S.A. w Krakowie\", \"title\": \"Dostawa pomp\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3888909\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T03:24:00Z\"}",
            "content_hash": "086ad1733b1dfe91d29d945d1b0f7d1a3da510f59e6e32ab17d784798936b02c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "28292681a9802dd3d8156b8c622e6b9bded78d280baf3af4d6e7492d458b6696",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        }
    ]
}