{
    "tender_id": 3731043,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-28T06:51:53Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050537301_Wykonanie-i-dostawa-oraz-likwidacja-tablic-rejestracyjnych-pojazdow_2026_2.html\", \"buyer\": \"Powiat Goleniowski\", \"title\": \"Wykonanie i dostawa oraz likwidacja tablic rejestracyjnych pojazdów\", \"region\": \"zachodniopomorskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Goleniów\", \"source_id\": \"20050537301\", \"deadline_at\": \"2026-11-04T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\"}",
            "content_hash": "27882bc44eb29c30b1be092930541c85feca8fc0361c8f7df1b1b3b13822312b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e16d4d86b64569a96e9c6ac3ecbb13a5a2a1a373ebcfa27d4f4e5834bec00b44",
            "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": "2026-10-28T08:45:18Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050537301_Wykonanie-i-dostawa-oraz-likwidacja-tablic-rejestracyjnych-pojazdow_2026_2.html\", \"buyer\": \"Powiat Goleniowski\", \"title\": \"Wykonanie i dostawa oraz likwidacja tablic rejestracyjnych pojazdów\", \"region\": \"zachodniopomorskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Goleniów\", \"source_id\": \"20050537301\", \"deadline_at\": \"2026-11-04T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398731\"}",
            "content_hash": "21990e72c0bb366a4704175307a1dd10c66a4bc10337834a06f695c9bf655c30",
            "prev_hash": "e16d4d86b64569a96e9c6ac3ecbb13a5a2a1a373ebcfa27d4f4e5834bec00b44",
            "hash": "88ca9566c2e31017530d9c77d52f32a059a47997ede1e3c9c402fa573ef29130",
            "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
            }
        }
    ]
}