{
    "tender_id": 4810685,
    "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": "2026-11-02T18:39:28Z",
            "content": "{\"url\": \"https://platforma-weglokoksenergia.logintrade.net/portal,szczegolyZapytaniaOfertowe,5525123daf2a9bb51cdbd59ce0b078be.html\", \"buyer\": \"WĘGLOKOKS ENERGIA Sp. z o.o.\", \"title\": \"Zapytanie o cenę w zakresie zakupu i dostawy Separatorów zasilania 24VDC dla WĘGLOKOKS ENERGIA ZCP sp. z o.o. (nr wew. 1182)\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"śląskie\", \"source_id\": \"platforma-weglokoksenergia-5525123daf2a9bb51cdbd59ce0b078be\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:38:00Z\"}",
            "content_hash": "5f00493f16cbe78113d9f837ddfbf71496e2de3956b7f11c8539734d51705551",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1ce99cce285a179541b1125f9462b074b02671efbab3e8f4e215411568b65f91",
            "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": "2026-11-02T21:47:21Z",
            "content": "{\"cpv\": \"15896000\", \"url\": \"https://platforma-weglokoksenergia.logintrade.net/portal,szczegolyZapytaniaOfertowe,5525123daf2a9bb51cdbd59ce0b078be.html\", \"buyer\": \"WĘGLOKOKS ENERGIA Sp. z o.o.\", \"title\": \"Zapytanie o cenę w zakresie zakupu i dostawy Separatorów zasilania 24VDC dla WĘGLOKOKS ENERGIA ZCP sp. z o.o. (nr wew. 1182)\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"śląskie\", \"source_id\": \"platforma-weglokoksenergia-5525123daf2a9bb51cdbd59ce0b078be\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:38:00Z\"}",
            "content_hash": "46a58128dff3f66f8b87c54668600ea8a56856e1a1d1aad0a44c9fe22199d3c4",
            "prev_hash": "1ce99cce285a179541b1125f9462b074b02671efbab3e8f4e215411568b65f91",
            "hash": "7f82f0fc9b005b2eb44550c3eb2b734277d202f2b0bd255194a860f3a769a4e9",
            "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": 3,
            "recorded_at": "2026-11-02T23:53:51Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://platforma-weglokoksenergia.logintrade.net/portal,szczegolyZapytaniaOfertowe,5525123daf2a9bb51cdbd59ce0b078be.html\", \"buyer\": \"WĘGLOKOKS ENERGIA Sp. z o.o.\", \"title\": \"Zapytanie o cenę w zakresie zakupu i dostawy Separatorów zasilania 24VDC dla WĘGLOKOKS ENERGIA ZCP sp. z o.o. (nr wew. 1182)\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"śląskie\", \"source_id\": \"platforma-weglokoksenergia-5525123daf2a9bb51cdbd59ce0b078be\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T09:38:00Z\"}",
            "content_hash": "5bb67760fc49a2166e40f5cded8bdf4607cacf564f39f6b71ea23c109fb75bfd",
            "prev_hash": "7f82f0fc9b005b2eb44550c3eb2b734277d202f2b0bd255194a860f3a769a4e9",
            "hash": "7a72b2ec0dd9359f955295bad1c92a356e6fc991e53442eafccd97a146984d4b",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T02:30:05Z",
            "content": "{\"cpv\": \"33141000\", \"url\": \"https://platforma-weglokoksenergia.logintrade.net/portal,szczegolyZapytaniaOfertowe,5525123daf2a9bb51cdbd59ce0b078be.html\", \"buyer\": \"Węglokoks Energia ZCP sp. z o.o\", \"title\": \"Zakup i dostawa separatorów\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-weglokoksenergia-5525123daf2a9bb51cdbd59ce0b078be\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T11:34:00Z\"}",
            "content_hash": "43b5913c163b40ed03f58bcdb0b5678be75be27fe9fb9aafe10a32b3204da013",
            "prev_hash": "7a72b2ec0dd9359f955295bad1c92a356e6fc991e53442eafccd97a146984d4b",
            "hash": "0b819becf521e1f7d9a3c71fd88b3f6b451d160151e4cd5a801f984fb59caf9c",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}