{
    "tender_id": 4817527,
    "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": "2026-11-02T19:43:19Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://platformazakupowa.pl/transakcja/1401890\", \"buyer\": \"Miasto i Gmina Sztum\", \"title\": \"ZP.271.26.2026/IM Przebudowa drogi gminnej nr 218516G wraz z wykonaniem drogi pieszo – rowerowej, chodnika oraz infrastrukturą techniczną.\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401890\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:29:00Z\", \"notice_number\": \"1401890\"}",
            "content_hash": "45f9c63a9c7c2b282f93c2e100681edf29a0469e9f7d90d56c79085fae22a8ab",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6903454053f166e852d502ad1036a02fe05cb6275278b161439eb8b13b92fce7",
            "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": "2026-11-02T19:45:50Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://platformazakupowa.pl/transakcja/1401890\", \"buyer\": \"Miasto i Gmina Sztum\", \"title\": \"ZP.271.26.2026/IM Przebudowa drogi gminnej nr 218516G wraz z wykonaniem drogi pieszo – rowerowej, chodnika oraz infrastrukturą techniczną.\", \"region\": \"pomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401890\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T12:29:00Z\", \"notice_number\": \"1401890\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401890\"}",
            "content_hash": "e26c2635e8994c9662e32333ae0b8d8fd498e492193c991e04c8d3ac1b2fe4ef",
            "prev_hash": "6903454053f166e852d502ad1036a02fe05cb6275278b161439eb8b13b92fce7",
            "hash": "db531eb32a107fde14f2a311dd608fd51fc07a1aa6fa8501636b62543be69035",
            "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
            }
        }
    ]
}