{
    "tender_id": 5210613,
    "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": "2026-11-04T15:04:07Z",
            "content": "{\"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670457,5a17a51d497f5c642d5e49bcea219cec.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTAWA CHEMII PRZEMYSŁOWEJ - NLZ-WJ.2110.90.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670457-5a17a51d497f5c642d5e49bcea219cec\", \"deadline_at\": \"2026-11-09T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:11:38Z\"}",
            "content_hash": "5c0780eb21edd673108c2a9b04f2570b2b5547790ee740fd509fc0d6b5c93af2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "04011cb83e0d73b27e32d854ef44c209efae6b68854942ab694320768ddf6ec5",
            "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": "2026-11-05T00:45:25Z",
            "content": "{\"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670457,5a17a51d497f5c642d5e49bcea219cec.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTAWA CHEMII PRZEMYSŁOWEJ - NLZ-WJ.2110.90.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670457-5a17a51d497f5c642d5e49bcea219cec\", \"deadline_at\": \"2026-11-09T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:11:38Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670457,5a17a51d497f5c642d5e49bcea219cec.html\"}",
            "content_hash": "e4134e138c8e07622a3ccb300bdd5e038ea8aa4a1b3df12cf6b69981f60300c1",
            "prev_hash": "04011cb83e0d73b27e32d854ef44c209efae6b68854942ab694320768ddf6ec5",
            "hash": "7c16211441d1b5bbaf1b25d84ae8f53d253915b4db17a90568abbd5b6aa560f8",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-05T12:22:18Z",
            "content": "{\"cpv\": \"24313125\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670457,5a17a51d497f5c642d5e49bcea219cec.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTAWA CHEMII PRZEMYSŁOWEJ - NLZ-WJ.2110.90.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670457-5a17a51d497f5c642d5e49bcea219cec\", \"deadline_at\": \"2026-11-09T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:11:38Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670457,5a17a51d497f5c642d5e49bcea219cec.html\"}",
            "content_hash": "d2c701c3a4c6f554d999faa76b4af9ff26cc8752c7caf52150aa0447cb0d2c6c",
            "prev_hash": "7c16211441d1b5bbaf1b25d84ae8f53d253915b4db17a90568abbd5b6aa560f8",
            "hash": "4893fbfce26c53f5f00a0c25f5092e8b3d9d81106dc1d37ca96c351edeb187ef",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}