{
    "tender_id": 5174020,
    "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": "2026-11-04T09:59:55Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\", \"buyer\": \"Pekabex Bet S.A\", \"title\": \"BB/26 PRĘT ZBROJENIOWY AIIIN FI 8-16 - B500B KRĘGI; Dostawa Bielsko\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wielkopolskie\", \"source_id\": \"grupapekabex-bf0b6f74b69c744691ad07038291f001\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:46:00Z\"}",
            "content_hash": "98e4002abc737806affcdab3a133129c550365b1d7c760deafe6f220e0afed7e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "604eae72b492e7d4c9d7e87757df2c681a9fc8c40ec8421fb1d5bdb6b107ad35",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T00:17:33Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\", \"buyer\": \"Pekabex Bet S.A\", \"title\": \"BB/26 PRĘT ZBROJENIOWY AIIIN FI 8-16 - B500B KRĘGI; Dostawa Bielsko\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"grupapekabex-bf0b6f74b69c744691ad07038291f001\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T14:42:00Z\"}",
            "content_hash": "27ebdd019249c2d947e4e337d60c65f4fb0053b263980ac0e97673b16159770c",
            "prev_hash": "604eae72b492e7d4c9d7e87757df2c681a9fc8c40ec8421fb1d5bdb6b107ad35",
            "hash": "ab6a8386a3ece1005b81785a172e6c8d2a439dba9af875ef565481516eb4267f",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-05T06:45:56Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\", \"buyer\": \"Pekabex Bet S.A\", \"title\": \"BB/26 PRĘT ZBROJENIOWY AIIIN FI 8-16 - B500B KRĘGI; Dostawa Bielsko\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"grupapekabex-bf0b6f74b69c744691ad07038291f001\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T14:42:00Z\", \"procedure_url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\"}",
            "content_hash": "3aa447f617f7964c02523abc104c279abc06d5c0caa2bbe2259a6258ca0c388e",
            "prev_hash": "ab6a8386a3ece1005b81785a172e6c8d2a439dba9af875ef565481516eb4267f",
            "hash": "de5d2be4bf2921e4b92f5e5475c8b279811b5b5c07cc3eabeb6d307f9af7357a",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-11-05T07:41:05Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\", \"buyer\": \"Pekabex Bet S.A\", \"title\": \"BB/26 PRĘT ZBROJENIOWY AIIIN FI 8-16 - B500B KRĘGI; Dostawa Bielsko\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wielkopolskie\", \"source_id\": \"grupapekabex-bf0b6f74b69c744691ad07038291f001\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:46:00Z\", \"procedure_url\": \"https://grupapekabex.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf0b6f74b69c744691ad07038291f001.html\"}",
            "content_hash": "a35bc8deb1017ffc17b19f2312ac8c7178446992826b0dd6f3037183682ec6fe",
            "prev_hash": "de5d2be4bf2921e4b92f5e5475c8b279811b5b5c07cc3eabeb6d307f9af7357a",
            "hash": "61c6881ffe4c7d2058dcb629bf42b6d2bc9b86be4e85f0fb5fc7000f7da68970",
            "actor": null,
            "seal": null
        }
    ]
}