{
    "tender_id": 5210892,
    "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": "2026-11-04T15:05:37Z",
            "content": "{\"url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13071179/details\", \"buyer\": \"TAURON Dystrybucja S.A.\", \"title\": \"Wyposażenie pola 4/110kV w SE Szombierki wraz z aktualizacją dokumentacji projektowej.\", \"source\": \"tauron_swoz\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13071179\", \"deadline_at\": \"2026-11-16T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T15:05:38Z\"}",
            "content_hash": "002660d2988323a2504e58e7e04db254dbc3237221bc8af720fae525dd5ede2e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2b7647bfc37bc7f32160d1419a7cfd21c6e7e7103cb6312f36b708a2c2cc5ea2",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T15:33:35Z",
            "content": "{\"url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13071179/details\", \"buyer\": \"TAURON Dystrybucja S.A.\", \"title\": \"Wyposażenie pola 4/110kV w SE Szombierki wraz z aktualizacją dokumentacji projektowej.\", \"source\": \"tauron_swoz\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13071179\", \"deadline_at\": \"2026-11-16T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T15:05:38Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3836226/wyposazenie-pola-4-110kv-w-se-szombierki-wraz-z-aktualizacja-dokumentacji-projektowej-\"}",
            "content_hash": "a9d495574418b68fb4349feb92d23ebc694be4a18600152965af41d0c3cd2ddf",
            "prev_hash": "2b7647bfc37bc7f32160d1419a7cfd21c6e7e7103cb6312f36b708a2c2cc5ea2",
            "hash": "7914f47b68fc4a565bfccfdfdf6a4cde5206da068c79c67d358af001c951aba4",
            "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
            }
        }
    ]
}