{
    "tender_id": 4971521,
    "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": "2026-11-03T10:07:51Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051562401_Dostawa-fabrycznie-nowego-agregatu-pradotworczego_2026_2.html\", \"buyer\": \"Starostwo Powiatowe w Poznaniu\", \"title\": \"Dostawa fabrycznie nowego agregatu prądotwórczego.\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Poznań\", \"source_id\": \"20051562401\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\"}",
            "content_hash": "95eabf8c8f78b87275f88b8946040139735158d46c0934bcd125c8291e0c8151",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9ab4a727832d634b42c3dd61e5cde5aee85820cf13732361f787388f6a103d5d",
            "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": "2026-11-03T10:45:34Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051562401_Dostawa-fabrycznie-nowego-agregatu-pradotworczego_2026_2.html\", \"buyer\": \"Starostwo Powiatowe w Poznaniu\", \"title\": \"Dostawa fabrycznie nowego agregatu prądotwórczego.\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Poznań\", \"source_id\": \"20051562401\", \"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/3867925/dostawa-fabrycznie-nowego-agregatu-pradotworczego-\"}",
            "content_hash": "01bae73a08a59e39d5a3c9b31b14cc7dfb5400bc75750a8c241d8242e7dd1e36",
            "prev_hash": "9ab4a727832d634b42c3dd61e5cde5aee85820cf13732361f787388f6a103d5d",
            "hash": "69b5008f0f12b423f804e296a3d4029e6229ec1e1d9e0fd92aed03548ea91603",
            "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": "2026-11-03T19:34:54Z",
            "content": "{\"cpv\": \"31122000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051562401_Dostawa-fabrycznie-nowego-agregatu-pradotworczego_2026_2.html\", \"buyer\": \"Starostwo Powiatowe w Poznaniu\", \"title\": \"Dostawa fabrycznie nowego agregatu prądotwórczego.\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Poznań\", \"source_id\": \"20051562401\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\", \"procedure_url\": \"https://zamowienia.powiat.poznan.pl/procurements/117/procurement\"}",
            "content_hash": "8c1905244bf6d7f00f02cf6035141adb2bef86806653c5ff85f42cef76b2abe9",
            "prev_hash": "69b5008f0f12b423f804e296a3d4029e6229ec1e1d9e0fd92aed03548ea91603",
            "hash": "f20290393758ecf5d1c3972ec9cf39602f89becfe546165dc9bb2bab6ab9a71c",
            "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
            }
        }
    ]
}