{
    "tender_id": 5046891,
    "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": "2026-11-03T20:39:01Z",
            "content": "{\"cpv\": \"45453000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403411\", \"buyer\": \"Nadleśnictwo Dąbrowa Tarnowska\", \"title\": \"SA.270.33.2026 Remont budynku biurowego Nadleśnictwa Dąbrowa Tarnowska\", \"region\": \"malopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45430000\", \"45410000\", \"45442100\", \"45311200\", \"45314300\", \"45111100\"], \"location\": \"Polska\", \"source_id\": \"1403411\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T20:01:00Z\", \"notice_number\": \"1403411\"}",
            "content_hash": "02d020178e51b44725d16cc689eb0f3bbb3c562b8c60fba4c6b8c48edddd9efc",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bbc247010e69a96796e51116afeb9d698b8474dccc67c6a395c45da11a9a412c",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T02:45:23Z",
            "content": "{\"cpv\": \"45453000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403411\", \"buyer\": \"Nadleśnictwo Dąbrowa Tarnowska\", \"title\": \"SA.270.33.2026 Remont budynku biurowego Nadleśnictwa Dąbrowa Tarnowska\", \"region\": \"malopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"45430000\", \"45410000\", \"45442100\", \"45311200\", \"45314300\", \"45111100\"], \"location\": \"Polska\", \"source_id\": \"1403411\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T20:01:00Z\", \"notice_number\": \"1403411\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1403411\"}",
            "content_hash": "0651b2fca2bda4eca89932017b8e75f9b8f745213873a8553ca0e0f4072a0ba9",
            "prev_hash": "bbc247010e69a96796e51116afeb9d698b8474dccc67c6a395c45da11a9a412c",
            "hash": "14cb9504142023af9b3ad7807829b8b031aafc7251eed2dde09c89d39d8adbe6",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}