{
    "tender_id": 4110305,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-10-30T08:14:35Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEMI/2026/019024 - Elektrody EB - Mietków\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"małopolskie\", \"source_id\": \"bruk-bet-2fe522c19a1b0c88dedc847c169d2ea9\", \"deadline_at\": \"2026-11-03T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:00:00Z\"}",
            "content_hash": "e03d3e45cd366e0710dcafeeaf309e2935a302c4b322f34bf7982f16061f58aa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c9e1aba623b581cdd639fc39ca523664b6ba3f6a9366caed0e923bace2af2cda",
            "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": "2026-10-30T23:33:00Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEMI/2026/019024 - Elektrody EB - Mietków\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"małopolskie\", \"source_id\": \"bruk-bet-2fe522c19a1b0c88dedc847c169d2ea9\", \"deadline_at\": \"2026-11-03T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862629/zap-mtemi-2026-018551-gospodarka-odpadami-kod-15-02-02-mietkow-z456-7-1\"}",
            "content_hash": "126ee56d8a25c04ae997733f83c5e657d600ec69af0d91109a9e24ef45c54db9",
            "prev_hash": "c9e1aba623b581cdd639fc39ca523664b6ba3f6a9366caed0e923bace2af2cda",
            "hash": "c9cdb78d6950c4c6d43055705d9b3de47098bf734c7b93adc432d1d2b17eabd4",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T01:48:48Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o\", \"title\": \"ZAP/MTEMI/2026/019024 - Elektrody EB - Mietków\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bruk-bet-2fe522c19a1b0c88dedc847c169d2ea9\", \"deadline_at\": \"2026-11-03T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T09:58:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862629/zap-mtemi-2026-018551-gospodarka-odpadami-kod-15-02-02-mietkow-z456-7-1\"}",
            "content_hash": "e945703a94764716ab816aeeadeab12515149b00028fd42ac4966d214ab44f58",
            "prev_hash": "c9cdb78d6950c4c6d43055705d9b3de47098bf734c7b93adc432d1d2b17eabd4",
            "hash": "35770878e370fc3768fb89887065119cb4c8f272c9fc9c2fbda3e617f825e333",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T03:33:04Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o\", \"title\": \"ZAP/MTEMI/2026/019024 - Elektrody EB - Mietków\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bruk-bet-2fe522c19a1b0c88dedc847c169d2ea9\", \"deadline_at\": \"2026-11-03T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T09:58:00Z\"}",
            "content_hash": "25d2c5299158ffdf7c0bb7f4a21c66662ac3b661996d642dfe53b9422ed5fea1",
            "prev_hash": "35770878e370fc3768fb89887065119cb4c8f272c9fc9c2fbda3e617f825e333",
            "hash": "2155fb05104900143efebc0b9ebedc93434e5ba990e62d167b33770e19fea9b3",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T04:45:32Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o\", \"title\": \"ZAP/MTEMI/2026/019024 - Elektrody EB - Mietków\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bruk-bet-2fe522c19a1b0c88dedc847c169d2ea9\", \"deadline_at\": \"2026-11-03T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T09:58:00Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,2fe522c19a1b0c88dedc847c169d2ea9.html\"}",
            "content_hash": "f6ba555d81eb26007bb80d2071fed6f8395fc22553925045be05d9fa8d29f8ae",
            "prev_hash": "2155fb05104900143efebc0b9ebedc93434e5ba990e62d167b33770e19fea9b3",
            "hash": "8f9402c916c9fd4509f6c89f9509c049e66466f9a4302b103b74b2d2b2fbb138",
            "actor": null,
            "seal": null
        }
    ]
}