{
    "tender_id": 4029814,
    "check": {
        "ok": true,
        "versions": 8,
        "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": "2026-10-29T21:30:09Z",
            "content": "{\"cpv\": \"35100000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\"}",
            "content_hash": "9f67634557d5c33cd01a06f9259deae23404c6601ec70fa34a89c7a2d0ac8376",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1f718b6fcff98404c156029536cb1d7cfee1ca367d16c9754a73032ce5c79cc8",
            "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": "2026-10-29T21:45:23Z",
            "content": "{\"cpv\": \"35100000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860025/uzupelnienie-zasobow-infrastruktury-niezbednej-do-realizacji-zadan-ochrony-ludnosci-i-obrony-cywilnej\"}",
            "content_hash": "8947fee5fa1e813f683bbd4e96a6ea72340838d19cbe7c606b4bd6ab0f5f8837",
            "prev_hash": "1f718b6fcff98404c156029536cb1d7cfee1ca367d16c9754a73032ce5c79cc8",
            "hash": "88dec76ec3572c7f440c0e85cc5616d9308f51922a82081904d92b189467f003",
            "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": "2026-10-30T18:07:31Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860025/uzupelnienie-zasobow-infrastruktury-niezbednej-do-realizacji-zadan-ochrony-ludnosci-i-obrony-cywilnej\"}",
            "content_hash": "508a95879cda51a189313e3920430f3f0bf431358417f6bd86981bad89afa28f",
            "prev_hash": "88dec76ec3572c7f440c0e85cc5616d9308f51922a82081904d92b189467f003",
            "hash": "280803dbee5cc56a05b07ae00b73632a0abd901d2794f3e847ee216ad96e770b",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T04:45:30Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\"}",
            "content_hash": "6fb7acad08a63e5efaa332991d189290d8526ad0c658b94ba575915ed351a2b9",
            "prev_hash": "280803dbee5cc56a05b07ae00b73632a0abd901d2794f3e847ee216ad96e770b",
            "hash": "c0edecaa6d93b8f731ae8c985d47be401c3ff4fd53b7b9f9f8c02a2a8a269b8e",
            "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": 5,
            "recorded_at": "2026-10-31T10:45:53Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860025/uzupelnienie-zasobow-infrastruktury-niezbednej-do-realizacji-zadan-ochrony-ludnosci-i-obrony-cywilnej\"}",
            "content_hash": "508a95879cda51a189313e3920430f3f0bf431358417f6bd86981bad89afa28f",
            "prev_hash": "c0edecaa6d93b8f731ae8c985d47be401c3ff4fd53b7b9f9f8c02a2a8a269b8e",
            "hash": "a3143683d797c6be5dace4691b24540d07018869ac908dc6c0682ef8981efda7",
            "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": 6,
            "recorded_at": "2026-10-31T17:45:29Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\"}",
            "content_hash": "6fb7acad08a63e5efaa332991d189290d8526ad0c658b94ba575915ed351a2b9",
            "prev_hash": "a3143683d797c6be5dace4691b24540d07018869ac908dc6c0682ef8981efda7",
            "hash": "c96dc8a31a8967ac4ab635e212431eec40db799ade51b67222524244b15c1222",
            "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": 7,
            "recorded_at": "2026-11-01T00:45:20Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860025/uzupelnienie-zasobow-infrastruktury-niezbednej-do-realizacji-zadan-ochrony-ludnosci-i-obrony-cywilnej\"}",
            "content_hash": "508a95879cda51a189313e3920430f3f0bf431358417f6bd86981bad89afa28f",
            "prev_hash": "c96dc8a31a8967ac4ab635e212431eec40db799ade51b67222524244b15c1222",
            "hash": "73f3932438cca5fa1d704a319bbb9ce741b52f148a7a6c1a50c7cbe8fc196001",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T06:45:18Z",
            "content": "{\"cpv\": \"44611500\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"buyer\": \"Gmina Międzyzdroje\", \"title\": \"Uzupełnienie zasobów infrastruktury niezbędnej do realizacji zadań ochrony ludności i obrony cywilnej\", \"region\": \"zachodniopomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"7fb96080-8005-4393-9b8b-f4d35aaf22c6\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T21:30:09Z\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/7fb96080-8005-4393-9b8b-f4d35aaf22c6\"}",
            "content_hash": "6fb7acad08a63e5efaa332991d189290d8526ad0c658b94ba575915ed351a2b9",
            "prev_hash": "73f3932438cca5fa1d704a319bbb9ce741b52f148a7a6c1a50c7cbe8fc196001",
            "hash": "b345137855819ebfb94e90e44cc5624911fe606ed8062ad7cfcc6c1543bacd87",
            "actor": null,
            "seal": null
        }
    ]
}