{
    "tender_id": 3809827,
    "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": "2026-10-28T16:02:01Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858666/modernizacja-ulicy-krasickiego-w-koscierzynie\", \"buyer\": \"Gmina Miejska Kościerzyna\", \"title\": \"Modernizacja ulicy Krasickiego w Kościerzynie\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858666\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:02Z\"}",
            "content_hash": "dbe90d8672b543522ff0594d950064d66bb7688811a1caa0f5d3da63d992df86",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "622730c397ba9f7779b95864d27bc9fc0b9027a6d95d9926724ad8b9f1d1a4fd",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T19:45:21Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858666/modernizacja-ulicy-krasickiego-w-koscierzynie\", \"buyer\": \"Gmina Miejska Kościerzyna\", \"title\": \"Modernizacja ulicy Krasickiego w Kościerzynie\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858666\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:02Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858666/modernizacja-ulicy-krasickiego-w-koscierzynie\"}",
            "content_hash": "5fdd1f26cb9c3eb43cd85ca93f455202b50b89779cf0e01261f5d9af6a596463",
            "prev_hash": "622730c397ba9f7779b95864d27bc9fc0b9027a6d95d9926724ad8b9f1d1a4fd",
            "hash": "a29d296693b890fc239d9af2997a5a4859c6b9d36da1fec7ab6335dd61fccbdd",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T20:45:45Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858666/modernizacja-ulicy-krasickiego-w-koscierzynie\", \"buyer\": \"Gmina Miejska Kościerzyna\", \"title\": \"Modernizacja ulicy Krasickiego w Kościerzynie\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858666\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:02Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df34fd-5901-0033-f9f4-660001a3c349\"}",
            "content_hash": "598fdeb7d3e9ed22f97077e11d7d3d798ac47eeda84acdc07bba1c99915002e6",
            "prev_hash": "a29d296693b890fc239d9af2997a5a4859c6b9d36da1fec7ab6335dd61fccbdd",
            "hash": "effdd2e83763a32e7d379a35d6958287893b3e1e6711e12b6cb92cbcc5a99476",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-28T21:45:32Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858666/modernizacja-ulicy-krasickiego-w-koscierzynie\", \"buyer\": \"Gmina Miejska Kościerzyna\", \"title\": \"Modernizacja ulicy Krasickiego w Kościerzynie\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858666\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:02Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399965\"}",
            "content_hash": "635f59b0077cbc1915ed61365d53be14e811a6953f4757afb909e7d2b23e4765",
            "prev_hash": "effdd2e83763a32e7d379a35d6958287893b3e1e6711e12b6cb92cbcc5a99476",
            "hash": "34da0a1b20a2b31bb276c774fc8305875fc6dd16e2f1849d1ab49b0c4f697c50",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}