{
    "tender_id": 3809895,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-28T16:02:07Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858597/dostawa-kuchni-elektrycznej-6-palnikowej-z-szafka-do-zakladu-karnego-w-krzywancu-\", \"buyer\": \"Zakład Karny w Krzywańcu\", \"title\": \"Dostawa kuchni elektrycznej 6 - palnikowej z szafką do Zakładu Karnego w Krzywańcu.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858597\", \"deadline_at\": \"2026-11-02T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:08Z\"}",
            "content_hash": "64c3c8ba46725c9593e7917a88714f619d773f7d612870cc54ab2d12c7b2bb6a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1a6b4c0c4cdef57f812a5483cdebdd17fe83d9b0b24dd4f52e93e7d55ba9b7a3",
            "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": "2026-10-28T17:45:14Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858597/dostawa-kuchni-elektrycznej-6-palnikowej-z-szafka-do-zakladu-karnego-w-krzywancu-\", \"buyer\": \"Zakład Karny w Krzywańcu\", \"title\": \"Dostawa kuchni elektrycznej 6 - palnikowej z szafką do Zakładu Karnego w Krzywańcu.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858597\", \"deadline_at\": \"2026-11-02T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:08Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399915\"}",
            "content_hash": "992948208911a7f8efdbd7a5741625b697425f4a129c57e9c6707f10879a230e",
            "prev_hash": "1a6b4c0c4cdef57f812a5483cdebdd17fe83d9b0b24dd4f52e93e7d55ba9b7a3",
            "hash": "ef0c1f29a3fe5bf59a129feef9b8172daeae239db428db6263e1c01db964fa69",
            "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": 3,
            "recorded_at": "2026-10-28T19:32:13Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858597/dostawa-kuchni-elektrycznej-6-palnikowej-z-szafka-do-zakladu-karnego-w-krzywancu-\", \"buyer\": \"Zakład Karny w Krzywańcu\", \"title\": \"Dostawa kuchni elektrycznej 6 - palnikowej z szafką do Zakładu Karnego w Krzywańcu.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858597\", \"deadline_at\": \"2026-11-02T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:08Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857737/dostawa-obrusow-do-zakladu-karnego-w-krzywancu\"}",
            "content_hash": "e54ba6b429aaf289f50be8f8f6b82318dfbcbc534f165b6ac5b26d0d7f2095c5",
            "prev_hash": "ef0c1f29a3fe5bf59a129feef9b8172daeae239db428db6263e1c01db964fa69",
            "hash": "9062d26a6d9f3ff26550caa3d61b4f128ea752891c301b84dde4148817902f77",
            "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": 4,
            "recorded_at": "2026-10-28T22:45:35Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858597/dostawa-kuchni-elektrycznej-6-palnikowej-z-szafka-do-zakladu-karnego-w-krzywancu-\", \"buyer\": \"Zakład Karny w Krzywańcu\", \"title\": \"Dostawa kuchni elektrycznej 6 - palnikowej z szafką do Zakładu Karnego w Krzywańcu.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3858597\", \"deadline_at\": \"2026-11-02T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T16:02:08Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399915\"}",
            "content_hash": "992948208911a7f8efdbd7a5741625b697425f4a129c57e9c6707f10879a230e",
            "prev_hash": "9062d26a6d9f3ff26550caa3d61b4f128ea752891c301b84dde4148817902f77",
            "hash": "c3f18d1200bcf55b62b22177f999a47bf684182bc65f55402541251a37d8ecdd",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}