{
    "tender_id": 4016140,
    "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": "2026-10-29T19:04:13Z",
            "content": "{\"cpv\": \"71630000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399090\", \"buyer\": \"Nadleśnictwo Browsk w Gruszkach\", \"title\": \"Wykonanie rocznych i pięcioletnich przeglądów obiektów budowlanych\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399090\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T23:00:00Z\", \"notice_number\": \"1399090\"}",
            "content_hash": "38a284dded1115214748d1e73aa53f7625614db58dab073f6e32f18ab3f8d934",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "65d27cc2a60e84f3bae692b1189eb8cf8dcbaf8ba634ddca0291b0edfa36f97c",
            "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": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:31:04Z",
            "content": "{\"cpv\": \"71630000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399090\", \"buyer\": \"Nadleśnictwo Browsk w Gruszkach\", \"title\": \"Wykonanie rocznych i pięcioletnich przeglądów obiektów budowlanych\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399090\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T23:00:00Z\", \"notice_number\": \"1399090\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859904/wykonanie-rocznych-i-piecioletnich-przegladow-obiektow-budowlanych\"}",
            "content_hash": "5891a22d8d6f0acbd105321e7d1904eb61ef759ff636456e688aa64f3d34be3b",
            "prev_hash": "65d27cc2a60e84f3bae692b1189eb8cf8dcbaf8ba634ddca0291b0edfa36f97c",
            "hash": "f513e28a103df8962467b7541429d24428c5d107096c503c0ad90d13ee7675d8",
            "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": null
            }
        }
    ]
}