{
    "tender_id": 4774395,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-11-02T13:27:52Z",
            "content": "{\"cpv\": \"34927100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\", \"buyer\": \"POWIATOWY ZARZĄD DRÓG W PŁOŃSKU\", \"title\": \"„Zakup wraz z dostawą soli drogowej do zimowego utrzymania dróg powiatowych na terenie powiatu płońskiego w 2026 r. (IV kwartał)”.\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Płońsk, mazowieckie\", \"source_id\": \"2026/BZP 00516487/01\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:19:58Z\", \"notice_number\": \"2026/BZP 00516487/01\"}",
            "content_hash": "c3a96d029e4dcd44c738b204316814eaf6c7f7598ffad4ec1fe482b123d36507",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9129d7d9472c8a714941713667a2ba943808ec4ae26884a3fc59384526faf4aa",
            "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\": \"34927100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\", \"buyer\": \"POWIATOWY ZARZĄD DRÓG W PŁOŃSKU\", \"title\": \"„Zakup wraz z dostawą soli drogowej do zimowego utrzymania dróg powiatowych na terenie powiatu płońskiego w 2026 r. (IV kwartał)”.\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Płońsk, mazowieckie\", \"source_id\": \"2026/BZP 00516487/01\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:19:58Z\", \"notice_number\": \"2026/BZP 00516487/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\"}",
            "content_hash": "a8aefd2f2b808293a62dfeac384242394bd0de4bfdccec058a9c7ecdbaf144a3",
            "prev_hash": "9129d7d9472c8a714941713667a2ba943808ec4ae26884a3fc59384526faf4aa",
            "hash": "864f9ac463ce2ada37010d7cfdfdb5617245e7559e90dbb4d1b607038ed8b384",
            "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": null
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T10:45:34Z",
            "content": "{\"cpv\": \"34927100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\", \"buyer\": \"POWIATOWY ZARZĄD DRÓG W PŁOŃSKU\", \"title\": \"„Zakup wraz z dostawą soli drogowej do zimowego utrzymania dróg powiatowych na terenie powiatu płońskiego w 2026 r. (IV kwartał)”.\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Płońsk, mazowieckie\", \"source_id\": \"2026/BZP 00516487/01\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:19:58Z\", \"notice_number\": \"2026/BZP 00516487/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3868109/-zakup-wraz-z-dostawa-soli-drogowej-do-zimowego-utrzymania-drog-powiatowych-na-terenie-powiatu-plonskiego-w-2026-r-iv\"}",
            "content_hash": "3956789e4014f86409bb9762f354d9939afef4b92af932c32f6a9e99424e24e8",
            "prev_hash": "864f9ac463ce2ada37010d7cfdfdb5617245e7559e90dbb4d1b607038ed8b384",
            "hash": "bc77080e55cfc70b01c9da2715c1f02033a6c82ff53b1d75b2f42f866ca68ae7",
            "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": null
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T21:46:20Z",
            "content": "{\"cpv\": \"34927100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\", \"buyer\": \"POWIATOWY ZARZĄD DRÓG W PŁOŃSKU\", \"title\": \"„Zakup wraz z dostawą soli drogowej do zimowego utrzymania dróg powiatowych na terenie powiatu płońskiego w 2026 r. (IV kwartał)”.\", \"region\": \"mazowieckie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Płońsk, mazowieckie\", \"source_id\": \"2026/BZP 00516487/01\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:19:58Z\", \"notice_number\": \"2026/BZP 00516487/01\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38db-9c59-fdb9-e2d6-6b000120c940\"}",
            "content_hash": "a8aefd2f2b808293a62dfeac384242394bd0de4bfdccec058a9c7ecdbaf144a3",
            "prev_hash": "bc77080e55cfc70b01c9da2715c1f02033a6c82ff53b1d75b2f42f866ca68ae7",
            "hash": "0de8f4ac8bfb25bc31ff9d4873daefbe849f8bccf477a69d3b198261e736428c",
            "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": null
            }
        }
    ]
}