{
    "tender_id": 3931820,
    "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": "2026-10-29T11:16:20Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\"}",
            "content_hash": "eae636b8b4f86004896d3c9c29bb2dcb4b8a6dbe5e90739e8c4d501e2036c05b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e75ba053f46f06a3d82098c8647034d5c9a4f060ef711c864bca61b88d6d13cf",
            "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": "2026-10-29T11:45:35Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3591-6710-6aa9-cfcf-e60001c05e7b\"}",
            "content_hash": "156fa921fda7f400d1f10b8a909d3a8b9222ef513deaa0f424b5609ce95fa923",
            "prev_hash": "e75ba053f46f06a3d82098c8647034d5c9a4f060ef711c864bca61b88d6d13cf",
            "hash": "85084073147fb2c0afe074825d21bef75042121ccda4b3f04c5493a2197c0963",
            "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": "2026-10-29T12:45:55Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\"}",
            "content_hash": "adcde094910fe9eb2d929822699433c688b2ccf0b055e7b8dc4f3ccb58e17a04",
            "prev_hash": "85084073147fb2c0afe074825d21bef75042121ccda4b3f04c5493a2197c0963",
            "hash": "9d78bcf1eb100f7293d42482dd6289a09699e7155ee823273368c1a6def4bf83",
            "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": 4,
            "recorded_at": "2026-10-31T04:45:53Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3591-6710-6aa9-cfcf-e60001c05e7b\"}",
            "content_hash": "156fa921fda7f400d1f10b8a909d3a8b9222ef513deaa0f424b5609ce95fa923",
            "prev_hash": "9d78bcf1eb100f7293d42482dd6289a09699e7155ee823273368c1a6def4bf83",
            "hash": "94dcda524f6097e3ea1073c80c2125b9dddfbf91abdd558443af349b4d35d26f",
            "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": "2026-10-31T10:45:39Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\"}",
            "content_hash": "adcde094910fe9eb2d929822699433c688b2ccf0b055e7b8dc4f3ccb58e17a04",
            "prev_hash": "94dcda524f6097e3ea1073c80c2125b9dddfbf91abdd558443af349b4d35d26f",
            "hash": "07c6ebafa402b262a96f81deecfab5b629190688295ffda21532c631242f47c0",
            "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\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3591-6710-6aa9-cfcf-e60001c05e7b\"}",
            "content_hash": "156fa921fda7f400d1f10b8a909d3a8b9222ef513deaa0f424b5609ce95fa923",
            "prev_hash": "07c6ebafa402b262a96f81deecfab5b629190688295ffda21532c631242f47c0",
            "hash": "56a9488a28ec31d9a1d2e8932e61d012e40970cb9edbe87d5aa4d6b597e6d8ca",
            "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": "2026-11-01T00:45:37Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\"}",
            "content_hash": "adcde094910fe9eb2d929822699433c688b2ccf0b055e7b8dc4f3ccb58e17a04",
            "prev_hash": "56a9488a28ec31d9a1d2e8932e61d012e40970cb9edbe87d5aa4d6b597e6d8ca",
            "hash": "6a55961527d56692ab72ec22c7610874a28f173b23bf9af2fc8a489c725a2b99",
            "actor": null,
            "seal": null
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T06:45:31Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860026/zakup-i-dostawa-sprzetu-i-wyposazenia-w-ramach-programu-ochrony-ludnosci-i-obrony-cywilnej-czesc-v\", \"buyer\": \"GMINA WITNICA\", \"title\": \"Zakup i dostawa sprzętu i wyposażenia w ramach Programu Ochrony Ludności i Obrony Cywilnej - część V\", \"region\": \"lubuskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:20Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3591-6710-6aa9-cfcf-e60001c05e7b\"}",
            "content_hash": "156fa921fda7f400d1f10b8a909d3a8b9222ef513deaa0f424b5609ce95fa923",
            "prev_hash": "6a55961527d56692ab72ec22c7610874a28f173b23bf9af2fc8a489c725a2b99",
            "hash": "d1581075615eeed76baf650e98ac0835547b31d6e17ac673f4ab302972e22282",
            "actor": null,
            "seal": null
        }
    ]
}