{
    "tender_id": 3914234,
    "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": "2026-10-29T07:26:38Z",
            "content": "{\"cpv\": \"43261000\", \"url\": \"https://narewka.ezamawiajacy.pl/pn/NAREWKA/demand/notice/public/240678/details\", \"buyer\": \"Urząd Gminy Narewka\", \"title\": \"Zakup mobilnej minikoparki z osprzętem oraz przyczepą w ramach Programu Ochrony Ludności i Obrony Cywilnej 2025/2026\", \"source\": \"narewka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240678\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:21:00Z\"}",
            "content_hash": "65176724ec6d8d83e8d4b52a708b780abfe4dc77fc2d120639687bd2c93d8b32",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3298b52ddf8e30e0d1ea3811dc914db036de250d6f0357e769bd5e8b87e008c3",
            "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": "2026-10-29T08:45:25Z",
            "content": "{\"cpv\": \"43261000\", \"url\": \"https://narewka.ezamawiajacy.pl/pn/NAREWKA/demand/notice/public/240678/details\", \"buyer\": \"Urząd Gminy Narewka\", \"title\": \"Zakup mobilnej minikoparki z osprzętem oraz przyczepą w ramach Programu Ochrony Ludności i Obrony Cywilnej 2025/2026\", \"source\": \"narewka_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240678\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T07:21:00Z\", \"procedure_url\": \"https://narewka.ezamawiajacy.pl/pn/NAREWKA/demand/notice/public/240678/details\"}",
            "content_hash": "b2fed2119e96c4c8b469bf9775b972701c6a4572178793fc4698f597735e5091",
            "prev_hash": "3298b52ddf8e30e0d1ea3811dc914db036de250d6f0357e769bd5e8b87e008c3",
            "hash": "dbe8b15b367d7fc0d56a1e31bef168c17e5f46a6c286e4ab2e2d455940cea5b4",
            "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
            }
        }
    ]
}