{
    "tender_id": 4971553,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-03T10:07:55Z",
            "content": "{\"cpv\": \"16700000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051542801_Miniciagnik-komunalny_2026_2.html\", \"buyer\": \"GMINA BIESIEKIERZ\", \"title\": \"Miniciągnik komunalny\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Biesiekierz\", \"source_id\": \"20051542801\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\"}",
            "content_hash": "03953de2424d8055f87352294d0f5c316e752d0185eee901fc60f9af31db3ff5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c09a2a2524d9452f42903ec35042a640c6efbe24bc37f70fcda68f1f0e60fc5c",
            "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": 2,
            "recorded_at": "2026-11-03T10:45:33Z",
            "content": "{\"cpv\": \"16700000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051542801_Miniciagnik-komunalny_2026_2.html\", \"buyer\": \"GMINA BIESIEKIERZ\", \"title\": \"Miniciągnik komunalny\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Biesiekierz\", \"source_id\": \"20051542801\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867895/miniciagnik-komunalny\"}",
            "content_hash": "2c56694b5aa632b37692dc15b2978527a551477309ec79ad6e85d74192e4fc07",
            "prev_hash": "c09a2a2524d9452f42903ec35042a640c6efbe24bc37f70fcda68f1f0e60fc5c",
            "hash": "af5ac53f27161059b284efc5842f5b72e28514bef8cae4ae1e252c79b870be8f",
            "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": "2026-11-03T21:45:43Z",
            "content": "{\"cpv\": \"16700000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051542801_Miniciagnik-komunalny_2026_2.html\", \"buyer\": \"GMINA BIESIEKIERZ\", \"title\": \"Miniciągnik komunalny\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Biesiekierz\", \"source_id\": \"20051542801\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38c3-c8a0-1931-e2d6-6b000120c39e\"}",
            "content_hash": "6409516869e76442d3e70ccac82f111ba4b91a5e97422d3d7ae4c23f5f42548a",
            "prev_hash": "af5ac53f27161059b284efc5842f5b72e28514bef8cae4ae1e252c79b870be8f",
            "hash": "b68a1bddf068bd2693dac0e942eea6c11c8996da0adbf16bbe15fc3e42689b56",
            "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
            }
        }
    ]
}