{
    "tender_id": 4105382,
    "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": "2026-10-30T07:34:44Z",
            "content": "{\"cpv\": \"79951000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862651/zap-mtekr-2026-018340-deska-sedesowa-z1619-5-1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEKR/2026/018340 - Deska sedesowa - Z1619/5/1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862651\", \"deadline_at\": \"2026-11-02T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:45Z\"}",
            "content_hash": "4415b155794878340881e973ed5638f7145cdd26648c5eca76d04993da0a3a6d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "766eb318c407bb86e88936ff84ba1501df2ab318bd1b5f28618f83ebba113a65",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T07:45:30Z",
            "content": "{\"cpv\": \"79951000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862651/zap-mtekr-2026-018340-deska-sedesowa-z1619-5-1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEKR/2026/018340 - Deska sedesowa - Z1619/5/1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862651\", \"deadline_at\": \"2026-11-02T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:45Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,4575c7b591e08c5e00bb71eb8a1d73f3.html\"}",
            "content_hash": "f1c599d4e0d173e2516edb52133d494bb974917a630eb3801701a8bd73dd457f",
            "prev_hash": "766eb318c407bb86e88936ff84ba1501df2ab318bd1b5f28618f83ebba113a65",
            "hash": "c8898e3837125db51a9f074f17040802e68792cc75259c2e0a002f1a2454067b",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-30T15:31:08Z",
            "content": "{\"cpv\": \"79951000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862651/zap-mtekr-2026-018340-deska-sedesowa-z1619-5-1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEKR/2026/018340 - Deska sedesowa - Z1619/5/1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862651\", \"deadline_at\": \"2026-11-02T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:45Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862651/zap-mtekr-2026-018340-deska-sedesowa-z1619-5-1\"}",
            "content_hash": "c1fe379c2542a800bc8f1dc6efc51ddd2a1badcbe0a4431eeee6b791a916bdda",
            "prev_hash": "c8898e3837125db51a9f074f17040802e68792cc75259c2e0a002f1a2454067b",
            "hash": "6ec276196ca07b54223aeccb1e51815ed9f8f10f2630da0fa3bdf73d3bb17d48",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-30T19:31:59Z",
            "content": "{\"cpv\": \"79951000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862651/zap-mtekr-2026-018340-deska-sedesowa-z1619-5-1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEKR/2026/018340 - Deska sedesowa - Z1619/5/1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862651\", \"deadline_at\": \"2026-11-02T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:45Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,4575c7b591e08c5e00bb71eb8a1d73f3.html\"}",
            "content_hash": "f1c599d4e0d173e2516edb52133d494bb974917a630eb3801701a8bd73dd457f",
            "prev_hash": "6ec276196ca07b54223aeccb1e51815ed9f8f10f2630da0fa3bdf73d3bb17d48",
            "hash": "c941f979151e192eff5671adfae080cef1016723256c8fc1bd7f5296540af657",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}