{
    "tender_id": 4754161,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-02T09:55:12Z",
            "content": "{\"cpv\": \"79315000\", \"url\": \"https://platformazakupowa.logintrade.pl/rfxs/essystemk/38d78cfe-9d06-4e1d-b320-6ebf5fc78444\", \"buyer\": \"ES SYSTEM K SP. Z O.O.\", \"title\": \"Zakup i dostawa bitów PZ2 (indeks MN200023)\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"2c42eaea5c7d37ce0f1b5683c9bbb9103304e439\", \"deadline_at\": \"2026-11-09T09:27:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:27:00Z\"}",
            "content_hash": "aab27fb15320b4d92f5bb7f4e107b98e7f69c37da8df031611413f0ac5704156",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "08870ab283370918d63ab979383924304124030cf03a37baa94598b086d3fddc",
            "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": "2026-11-03T02:45:36Z",
            "content": "{\"cpv\": \"79315000\", \"url\": \"https://platformazakupowa.logintrade.pl/rfxs/essystemk/38d78cfe-9d06-4e1d-b320-6ebf5fc78444\", \"buyer\": \"ES SYSTEM K SP. Z O.O.\", \"title\": \"Zakup i dostawa bitów PZ2 (indeks MN200023)\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"2c42eaea5c7d37ce0f1b5683c9bbb9103304e439\", \"deadline_at\": \"2026-11-09T09:27:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:27:00Z\", \"procedure_url\": \"https://platformazakupowa.logintrade.pl/rfxs/huhtamaki/3fc48506-6c13-4ce6-ba85-a41bb3751c59\"}",
            "content_hash": "1b4bec95d729fd3e9f476e11254543c2f8c64fd36b7c89fc08d43130d558cc20",
            "prev_hash": "08870ab283370918d63ab979383924304124030cf03a37baa94598b086d3fddc",
            "hash": "3bf644a0b9baf43f630d1109314aa4537d03e96e57d7965462dec46ea0feb5a2",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T13:45:33Z",
            "content": "{\"cpv\": \"79315000\", \"url\": \"https://platformazakupowa.logintrade.pl/rfxs/essystemk/38d78cfe-9d06-4e1d-b320-6ebf5fc78444\", \"buyer\": \"ES SYSTEM K SP. Z O.O.\", \"title\": \"Zakup i dostawa bitów PZ2 (indeks MN200023)\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"2c42eaea5c7d37ce0f1b5683c9bbb9103304e439\", \"deadline_at\": \"2026-11-09T09:27:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:27:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865195/zakup-i-dostawa-tasm-papierowych-przemyslowych-18190-niebieskich\"}",
            "content_hash": "ba5f00b9e698c4ae0348b37eac510103210683f6ddf324cbda9edd7cb165af5e",
            "prev_hash": "3bf644a0b9baf43f630d1109314aa4537d03e96e57d7965462dec46ea0feb5a2",
            "hash": "88362bd9ece65689f9e0de302aa516b34a298b4b0a6dfa5885e91fee7ac25441",
            "actor": null,
            "seal": null
        }
    ]
}