{
    "tender_id": 4757585,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-02T10:28:45Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\", \"buyer\": \"POWIAT SŁAWIEŃSKI\", \"title\": \"Zimowe utrzymanie dróg powiatowych na terenie powiatu sławieńskiego w sezonie zimowym 2026/2027\", \"region\": \"zachodniopomorskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sławno, zachodniopomorskie\", \"buyer_nip\": \"4990502368\", \"source_id\": \"2026/BZP 00515600/01\", \"deadline_at\": \"2026-11-10T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T09:59:56Z\", \"notice_number\": \"2026/BZP 00515600/01\"}",
            "content_hash": "a3d58aea361778fd77440bb101e9db3431c17a1bab3852835c14a8b7d8db28a6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "077b7197275849f0ba8daebb318233b6132963119e4e69adc270dc8408e9d827",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T08:45:33Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\", \"buyer\": \"POWIAT SŁAWIEŃSKI\", \"title\": \"Zimowe utrzymanie dróg powiatowych na terenie powiatu sławieńskiego w sezonie zimowym 2026/2027\", \"region\": \"zachodniopomorskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sławno, zachodniopomorskie\", \"buyer_nip\": \"4990502368\", \"source_id\": \"2026/BZP 00515600/01\", \"deadline_at\": \"2026-11-10T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T09:59:56Z\", \"notice_number\": \"2026/BZP 00515600/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\"}",
            "content_hash": "713b2a0030ffeee30726a7a329d77f92f7a18b82eb6613e20efb612dc429b3a1",
            "prev_hash": "077b7197275849f0ba8daebb318233b6132963119e4e69adc270dc8408e9d827",
            "hash": "4041377071879fbb2e2de1976fa0fd8761f97cfd5e6da3d3e8a0ff932622334d",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T09:45:24Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\", \"buyer\": \"POWIAT SŁAWIEŃSKI\", \"title\": \"Zimowe utrzymanie dróg powiatowych na terenie powiatu sławieńskiego w sezonie zimowym 2026/2027\", \"region\": \"zachodniopomorskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sławno, zachodniopomorskie\", \"buyer_nip\": \"4990502368\", \"source_id\": \"2026/BZP 00515600/01\", \"deadline_at\": \"2026-11-10T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T09:59:56Z\", \"notice_number\": \"2026/BZP 00515600/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867923/zimowe-utrzymanie-drog-powiatowych-na-terenie-powiatu-slawienskiego-w-sezonie-zimowym-2026-2027\"}",
            "content_hash": "e236f97fd50cb40a26e78475084ab0c31a53fd92a3f1f37624ae463588200f42",
            "prev_hash": "4041377071879fbb2e2de1976fa0fd8761f97cfd5e6da3d3e8a0ff932622334d",
            "hash": "cbb30289cdba63f6ea86fd6ddd7b567d9968173556ab744dc743ace49f96111d",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T21:46:11Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\", \"buyer\": \"POWIAT SŁAWIEŃSKI\", \"title\": \"Zimowe utrzymanie dróg powiatowych na terenie powiatu sławieńskiego w sezonie zimowym 2026/2027\", \"region\": \"zachodniopomorskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sławno, zachodniopomorskie\", \"buyer_nip\": \"4990502368\", \"source_id\": \"2026/BZP 00515600/01\", \"deadline_at\": \"2026-11-10T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T09:59:56Z\", \"notice_number\": \"2026/BZP 00515600/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\"}",
            "content_hash": "713b2a0030ffeee30726a7a329d77f92f7a18b82eb6613e20efb612dc429b3a1",
            "prev_hash": "cbb30289cdba63f6ea86fd6ddd7b567d9968173556ab744dc743ace49f96111d",
            "hash": "f459200bc6da7bfbfbfe0643a06036363e72d6d57752360ec08c054cb24283a5",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-04T10:46:28Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c8-0c0e-e6c5-e2d6-6b000120c48f\", \"buyer\": \"POWIAT SŁAWIEŃSKI\", \"title\": \"Zimowe utrzymanie dróg powiatowych na terenie powiatu sławieńskiego w sezonie zimowym 2026/2027\", \"region\": \"zachodniopomorskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Sławno, zachodniopomorskie\", \"buyer_nip\": \"4990502368\", \"source_id\": \"2026/BZP 00515600/01\", \"deadline_at\": \"2026-11-10T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T09:59:56Z\", \"notice_number\": \"2026/BZP 00515600/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867923/zimowe-utrzymanie-drog-powiatowych-na-terenie-powiatu-slawienskiego-w-sezonie-zimowym-2026-2027\"}",
            "content_hash": "e236f97fd50cb40a26e78475084ab0c31a53fd92a3f1f37624ae463588200f42",
            "prev_hash": "f459200bc6da7bfbfbfe0643a06036363e72d6d57752360ec08c054cb24283a5",
            "hash": "1f5b1cf4b36d71fd3f169a1e12100d355b9aa2e4c2bae48a0bb537fc4b83b3c3",
            "actor": null,
            "seal": null
        }
    ]
}