{
    "tender_id": 4322627,
    "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": "2026-10-31T10:16:28Z",
            "content": "{\"cpv\": \"33192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864919/zakup-i-dostawa-zarnik-szczotka-do-probowek-2-poz-\", \"buyer\": \"Grupa Azoty Zakłady Azotowe Kędzierzyn S.A.\", \"title\": \"Zakup i dostawa: żarnik, szczotka do probówek - 2 poz.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864919\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:28Z\"}",
            "content_hash": "f210e1a99800eef8296628ffe5b5c48adb8923cf2dac33f238d9cf39e427d1f1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8a2fc845f9ce26b704ba0fb1e5eabd92a0ea701548adbb1c6d715c7ce3551c7a",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T10:45:37Z",
            "content": "{\"cpv\": \"33192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864919/zakup-i-dostawa-zarnik-szczotka-do-probowek-2-poz-\", \"buyer\": \"Grupa Azoty Zakłady Azotowe Kędzierzyn S.A.\", \"title\": \"Zakup i dostawa: żarnik, szczotka do probówek - 2 poz.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864919\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:28Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670179,325a4388369d67c7164886abfe6bdf6c.html\"}",
            "content_hash": "e01bc70bf22b53aeb8dd2bd11bef26cbc421752955290d0a7a5a47542877aae1",
            "prev_hash": "8a2fc845f9ce26b704ba0fb1e5eabd92a0ea701548adbb1c6d715c7ce3551c7a",
            "hash": "b058dd76dfee027dfafc5fcabd5bcb331f1ba2664e9fbc88ff330cd97c4196eb",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}