{
    "tender_id": 3881441,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-29T04:26:59Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859587/serwisowanie-sprezarek-z-podzialem-na-zadania\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Serwisowanie sprężarek z podziałem na zadania\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859587\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:01Z\"}",
            "content_hash": "73d584f6fdb6673d9c54835930a8534789bacbdd5e7917ab5aba1ccfab0fecd3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a1f1caf54f67bb2f88d369866c09d77ef4e94ee1785f88b1ab8941cc86182ed4",
            "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": "2026-10-29T04:45:41Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859587/serwisowanie-sprezarek-z-podzialem-na-zadania\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Serwisowanie sprężarek z podziałem na zadania\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859587\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:01Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535857/serwisowanie-sprezarek-z-podzialem-na-zadania-6\"}",
            "content_hash": "a7fede36d81975d6274fb40ccfab53dd0d28e461c89004e5ab10de324149e381",
            "prev_hash": "a1f1caf54f67bb2f88d369866c09d77ef4e94ee1785f88b1ab8941cc86182ed4",
            "hash": "f3885e2d1df60f9a1272bdeec9155d776384a1db7349c2944fd0ac10aacea19d",
            "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": 3,
            "recorded_at": "2026-10-29T07:32:34Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859587/serwisowanie-sprezarek-z-podzialem-na-zadania\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Serwisowanie sprężarek z podziałem na zadania\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3859587\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T04:27:01Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535739/serwisowanie-sprezarek-z-podzialem-na-zadania-5\"}",
            "content_hash": "2dc621476ae469c44a9151923a9433651441020457edf1be7f9f32a3b1c7d731",
            "prev_hash": "f3885e2d1df60f9a1272bdeec9155d776384a1db7349c2944fd0ac10aacea19d",
            "hash": "3ebfde6bc8e36e84e3f3000c9d0ecfb77c8d0bb3db93bc79883808365ad1b4e3",
            "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
            }
        }
    ]
}