{
    "tender_id": 3976587,
    "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": "2026-10-29T15:25:55Z",
            "content": "{\"cpv\": \"45400000\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/241127/details\", \"buyer\": \"Miasto Stołeczne Warszawa Dzielnica Ursynów\", \"title\": \"Wykonanie remontu 4 lokali mieszkalnych, będących w zasobie Dzielnicy Ursynów m.st. Warszawy\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241127\", \"deadline_at\": \"2026-11-13T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T15:02:00Z\"}",
            "content_hash": "c8e971cfe484fb2dbec7ae51577e1510d63826031f59693ef2a5c7b8fad550dd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "84e1e9257cdb97ab9b298e67b7059d87f42c07f247c5596bee53396130a94cf9",
            "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": "2026-10-29T16:45:24Z",
            "content": "{\"cpv\": \"45400000\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/241127/details\", \"buyer\": \"Miasto Stołeczne Warszawa Dzielnica Ursynów\", \"title\": \"Wykonanie remontu 4 lokali mieszkalnych, będących w zasobie Dzielnicy Ursynów m.st. Warszawy\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241127\", \"deadline_at\": \"2026-11-13T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T15:02:00Z\", \"procedure_url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/241127/details\"}",
            "content_hash": "5435ef638c63de8f31d6c6f60da803ab1487ece1e106eceec8286e0ef4286b9d",
            "prev_hash": "84e1e9257cdb97ab9b298e67b7059d87f42c07f247c5596bee53396130a94cf9",
            "hash": "240e6953bcbca6f33cffc6386e95ea4a36492808c48425055cb58af1803b0235",
            "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
            }
        }
    ]
}