{
    "tender_id": 5257740,
    "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": "2026-11-04T21:13:50Z",
            "content": "{\"cpv\": \"44100000\", \"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\", \"buyer\": \"Bank Ochrony Środowiska S.A.\", \"title\": \"Gadżety na targi pracy i działania emplyer brandingowe\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"bosbank-66af12332d13507bbe1c3b959943b8ab\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T13:56:00Z\"}",
            "content_hash": "36df6aed51be596330a8dfab5421da3e6d24e72ac6171373d4aeb5c3eb4e3c32",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bbc59450ef76465528fae0ec01ade9ebe1eee1d4d8e611a446fb4c54524ab069",
            "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": "2026-11-05T00:17:14Z",
            "content": "{\"cpv\": \"44100000\", \"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\", \"buyer\": \"Bank Ochrony Środowiska S.A\", \"title\": \"Gadżety na targi pracy i działania emplyer brandingowe\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bosbank-66af12332d13507bbe1c3b959943b8ab\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:54:00Z\"}",
            "content_hash": "4409a03ec82e169ed2577bae26ec497c1e3c8f75dad280fe48baa11e5b37bb87",
            "prev_hash": "bbc59450ef76465528fae0ec01ade9ebe1eee1d4d8e611a446fb4c54524ab069",
            "hash": "19d9ac977a7d36cc550d57b31596753c1a88d15668363868d8ee516201d69e47",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-05T06:45:56Z",
            "content": "{\"cpv\": \"44100000\", \"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\", \"buyer\": \"Bank Ochrony Środowiska S.A\", \"title\": \"Gadżety na targi pracy i działania emplyer brandingowe\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bosbank-66af12332d13507bbe1c3b959943b8ab\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:54:00Z\", \"procedure_url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\"}",
            "content_hash": "9a0a364ef9e5752540f8e66e48496b8d466f8466ab7a9a319644986ce85f764d",
            "prev_hash": "19d9ac977a7d36cc550d57b31596753c1a88d15668363868d8ee516201d69e47",
            "hash": "f4acad037f5f63d39c625ff6b0555ff0dfb8db96d57c5d99bfd2c16c7ee7451d",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-11-05T10:23:44Z",
            "content": "{\"cpv\": \"39294100\", \"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\", \"buyer\": \"Bank Ochrony Środowiska S.A\", \"title\": \"Gadżety na targi pracy i działania emplyer brandingowe\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bosbank-66af12332d13507bbe1c3b959943b8ab\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:54:00Z\", \"procedure_url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\"}",
            "content_hash": "a248e17de672b904744a9662f2e6ee96a9be32f034981cdd89d82e86ae942c59",
            "prev_hash": "f4acad037f5f63d39c625ff6b0555ff0dfb8db96d57c5d99bfd2c16c7ee7451d",
            "hash": "f3fab4a1b14d3ff47853e60a43c4c3032570c0b4ca22b13861955154a6a00ebd",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-11-05T12:22:22Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\", \"buyer\": \"Bank Ochrony Środowiska S.A\", \"title\": \"Gadżety na targi pracy i działania emplyer brandingowe\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bosbank-66af12332d13507bbe1c3b959943b8ab\", \"deadline_at\": \"2026-11-10T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:54:00Z\", \"procedure_url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,66af12332d13507bbe1c3b959943b8ab.html\"}",
            "content_hash": "a86104c560a761a7ac44dc2a6f15c986a2b2d8ddca1883c9b20c29d70bbabd1b",
            "prev_hash": "f3fab4a1b14d3ff47853e60a43c4c3032570c0b4ca22b13861955154a6a00ebd",
            "hash": "9c0ad0b6905bba8fd3821eea9b1d1762caf1b17cdac5a5ceaf70b6487adc8c47",
            "actor": null,
            "seal": null
        }
    ]
}