{
    "tender_id": 2547885,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf936a990dcaaa425bdb6701882d5639.html\", \"buyer\": \"Bank Ochrony Środowiska S.A\", \"title\": \"RFI - artykuły biurowe, spożywcze i owoce\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bosbank-bf936a990dcaaa425bdb6701882d5639\", \"deadline_at\": \"2026-10-29T14:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-21T11:52:00Z\", \"procedure_url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf936a990dcaaa425bdb6701882d5639.html\"}",
            "content_hash": "939ae6cc8fb04834bd2e7d26b0564279be15bf88907773dbcd2006f794c9d94d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e8888fa6bd177d464bef0cf177a0a16f41aa7ec1db681afee36c41b1be339b88",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:43:01Z",
            "content": "{\"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf936a990dcaaa425bdb6701882d5639.html\", \"buyer\": \"Bank Ochrony Środowiska S.A.\", \"title\": \"RFI - artykuły biurowe, spożywcze i owoce\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"bosbank-bf936a990dcaaa425bdb6701882d5639\", \"deadline_at\": \"2026-11-03T14:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-21T07:41:00Z\", \"procedure_url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf936a990dcaaa425bdb6701882d5639.html\"}",
            "content_hash": "aa4da06f1df07660f573bd4d1478e6f6b4a173ff89b4994574c9af1345b91377",
            "prev_hash": "e8888fa6bd177d464bef0cf177a0a16f41aa7ec1db681afee36c41b1be339b88",
            "hash": "35611647aac57e57546f6daca9098fa50bca0c2b30c9316bc8b0f542cf11426a",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T19:46:05Z",
            "content": "{\"url\": \"https://bosbank.logintrade.net/portal,szczegolyZapytaniaOfertowe,bf936a990dcaaa425bdb6701882d5639.html\", \"buyer\": \"Bank Ochrony Środowiska S.A.\", \"title\": \"RFI - artykuły biurowe, spożywcze i owoce\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"bosbank-bf936a990dcaaa425bdb6701882d5639\", \"deadline_at\": \"2026-11-03T14:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-21T07:41:00Z\"}",
            "content_hash": "f9ebac3a1c82f4c612e6efd264fb46541276745ff667dfc0b7b4cb6a22bc5195",
            "prev_hash": "35611647aac57e57546f6daca9098fa50bca0c2b30c9316bc8b0f542cf11426a",
            "hash": "68329c33f8b11d187f972f3f2050cc8dcfaa932422e75e463779c942f421cace",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}