{
    "tender_id": 3972473,
    "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": "2026-10-29T15:08:38Z",
            "content": "{\"cpv\": \"45232410\", \"url\": \"https://jablon.ezamawiajacy.pl/pn/JABLON/demand/notice/public/241076/details\", \"buyer\": \"Urząd Gminy Jabłoń\", \"title\": \"Budowa przydomowych oczyszczalni ścieków na terenie gminy Jabłoń\", \"source\": \"jablon_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241076\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T13:42:00Z\"}",
            "content_hash": "043f57b6876583f2a2be76cb1a1a1bc780a39b722ed6e4f204da1e46ba46d640",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1cfa4137b7ac22f44aad07c3f5cde42e3e474b5b03b0f78476e6a2ae82617e97",
            "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": "2026-10-29T15:30:08Z",
            "content": "{\"cpv\": \"45232410\", \"url\": \"https://jablon.ezamawiajacy.pl/pn/JABLON/demand/notice/public/241076/details\", \"buyer\": \"Urząd Gminy Jabłoń\", \"title\": \"Budowa przydomowych oczyszczalni ścieków na terenie gminy Jabłoń\", \"source\": \"jablon_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241076\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T13:42:00Z\", \"procedure_url\": \"https://jablon.ezamawiajacy.pl/pn/JABLON/demand/notice/public/241076/details\"}",
            "content_hash": "0266337848408d59efb743074690b47bb1e2fe5b516f841760dc3fb057b1bad4",
            "prev_hash": "1cfa4137b7ac22f44aad07c3f5cde42e3e474b5b03b0f78476e6a2ae82617e97",
            "hash": "435c0a8fdd2c32d3f08a6989956d3d173be2160d7bc38a77d2552ed7e4a04ef6",
            "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
            }
        }
    ]
}