{
    "tender_id": 4022217,
    "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": "2026-10-29T19:39:40Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860895/sukcesywna-dostawa-materialow-biurowych\", \"buyer\": \"Instytut Ekonomiki Rolnictwa i Gospodarki Żywnościowej-PIB\", \"title\": \"Sukcesywna dostawa materiałów biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860895\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:40Z\"}",
            "content_hash": "ac9ba4856856025b1f43974b43b59d279d1aedbedbb1fb4c2f44c4d8ea1e7368",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0f319baca04ecaa0057824a2788da0228d6c8e667e1c6d0ae20d501122cd8d1f",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:46:04Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860895/sukcesywna-dostawa-materialow-biurowych\", \"buyer\": \"Instytut Ekonomiki Rolnictwa i Gospodarki Żywnościowej-PIB\", \"title\": \"Sukcesywna dostawa materiałów biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860895\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:40Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400645\"}",
            "content_hash": "dcb88f04162f0f45a153b928c3ba5b8e875d1b1ad37035b3a7a7574e11472ff5",
            "prev_hash": "0f319baca04ecaa0057824a2788da0228d6c8e667e1c6d0ae20d501122cd8d1f",
            "hash": "d18db05f8b8803bb21edd035f45227664d90ef1165e98e488aa79d8fa5babb4a",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}