{
    "tender_id": 6427271,
    "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": "2026-11-10T20:35:55Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888254/dostawa-materialow-do-naprawy-ogumienia-\", \"buyer\": \"Miejskie Zakłady Komunikacyjne Spółka z o.o. w Bydgoszczy\", \"title\": \"Dostawa materiałów do naprawy ogumienia.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3888254\", \"deadline_at\": \"2026-11-13T08:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T20:35:55Z\"}",
            "content_hash": "f41d83344003848bd71d59752371d2dfad860c2a1d54feff8d4f704104cae54d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "da6c6c20ecee3af4dffa6689cbfca7bfa6335f44e54327d0a1959a446f8a2c7b",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T21:45:38Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888254/dostawa-materialow-do-naprawy-ogumienia-\", \"buyer\": \"Miejskie Zakłady Komunikacyjne Spółka z o.o. w Bydgoszczy\", \"title\": \"Dostawa materiałów do naprawy ogumienia.\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3888254\", \"deadline_at\": \"2026-11-13T08:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T20:35:55Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3880115/dostawa-materialow-do-naprawy-ogumienia-\"}",
            "content_hash": "38e643a18cfb8d98413d5caf202fc1a7646e03452e582ec1dd504233182c0fdf",
            "prev_hash": "da6c6c20ecee3af4dffa6689cbfca7bfa6335f44e54327d0a1959a446f8a2c7b",
            "hash": "220b60be2ba85c52a505ec4d99b9eeae134be258572389faa09d63553d60e69b",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        }
    ]
}