{
    "tender_id": 4334637,
    "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": "2026-10-31T12:10:13Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051374601_Modernizacja-budynku-OSP-w-Bienkowicach_2026_2.html\", \"buyer\": \"Gmina Dobczyce\", \"title\": \"Modernizacja budynku OSP w Bieńkowicach\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Dobczyce\", \"source_id\": \"20051374601\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "4a7ba61cf4110e2d8b5bcc6a4ae1c055bb8f2f18196b72a30679f6ae5ff68a02",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "856a69f3b6c91ab335e0290cb87bb172d411903e9e4b659291f8dd82e6a41dff",
            "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": "2026-10-31T12:45:32Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051374601_Modernizacja-budynku-OSP-w-Bienkowicach_2026_2.html\", \"buyer\": \"Gmina Dobczyce\", \"title\": \"Modernizacja budynku OSP w Bieńkowicach\", \"region\": \"malopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Dobczyce\", \"source_id\": \"20051374601\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401608\"}",
            "content_hash": "58e74d224614624b4ddb93ca7152c02f8e363e7fd451b4211ba9dec0d889309c",
            "prev_hash": "856a69f3b6c91ab335e0290cb87bb172d411903e9e4b659291f8dd82e6a41dff",
            "hash": "a72c81e1cc0a3c558fbffa7d3a1c59713cac28eaa1ef45f4f6e65dafd2c02931",
            "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
            }
        }
    ]
}