{
    "tender_id": 3823462,
    "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": "2026-10-28T20:02:15Z",
            "content": "{\"cpv\": \"71322000\", \"url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\", \"buyer\": \"QEMETICA Soda Polska SPÓŁKA AKCYJNA\", \"title\": \"QSP_2026_10_09825_Remont rurociągu na estakadzie SO\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kujawsko-pomorskie\", \"source_id\": \"platforma-qemetica-fd9a1bcba480567fa9007ffe624675be\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T08:12:00Z\"}",
            "content_hash": "3c5c612c021afa99effd81ba01a3b8290404cf5f59410c066ddd822ee2f6738c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cb9e1e2ccd0c7cba789d8c84c9c9b16b04bed085cb4f6abb338f3853e8227829",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T02:09:37Z",
            "content": "{\"cpv\": \"71322000\", \"url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\", \"buyer\": \"QEMETICA Soda Polska SPÓŁKA AKCYJNA\", \"title\": \"Remont rurociągu na estakadzie SO\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-qemetica-fd9a1bcba480567fa9007ffe624675be\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T12:08:00Z\"}",
            "content_hash": "e28478c40efd8206371719eb8e8e51592cd130de8654d045862f2e3decb1406f",
            "prev_hash": "cb9e1e2ccd0c7cba789d8c84c9c9b16b04bed085cb4f6abb338f3853e8227829",
            "hash": "065bc0e736660822ecf5dc60bfe7a9d75f1c5e6473bba2faf423c2d31f56c654",
            "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": "2026-10-29T04:45:42Z",
            "content": "{\"cpv\": \"71322000\", \"url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\", \"buyer\": \"QEMETICA Soda Polska SPÓŁKA AKCYJNA\", \"title\": \"Remont rurociągu na estakadzie SO\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-qemetica-fd9a1bcba480567fa9007ffe624675be\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T12:08:00Z\", \"procedure_url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\"}",
            "content_hash": "31902b3c338ea2fddb44f905444a92be42a7bbf4481354be1ca06e5175305fbe",
            "prev_hash": "065bc0e736660822ecf5dc60bfe7a9d75f1c5e6473bba2faf423c2d31f56c654",
            "hash": "67fe1faeb02f8c1a90d109dd4d186ffa75517b1c5cfab125988b20e038ac6486",
            "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": 4,
            "recorded_at": "2026-10-29T17:45:22Z",
            "content": "{\"cpv\": \"71322000\", \"url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\", \"buyer\": \"QEMETICA Soda Polska SPÓŁKA AKCYJNA\", \"title\": \"Remont rurociągu na estakadzie SO\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-qemetica-fd9a1bcba480567fa9007ffe624675be\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T12:08:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859186/qsp_2026_10_09825_remont-rurociagu-na-estakadzie-so\"}",
            "content_hash": "bbb2c251605e3ed00892cff33241193fabe9f3551d508f76ffdcae7c0e268861",
            "prev_hash": "67fe1faeb02f8c1a90d109dd4d186ffa75517b1c5cfab125988b20e038ac6486",
            "hash": "2872ad6c896818da4a1bd6e9e99847d1582acb548d6c378f35b14b5936ed6aa8",
            "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": 5,
            "recorded_at": "2026-10-29T19:45:58Z",
            "content": "{\"cpv\": \"71322000\", \"url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\", \"buyer\": \"QEMETICA Soda Polska SPÓŁKA AKCYJNA\", \"title\": \"Remont rurociągu na estakadzie SO\", \"region\": \"kujawsko-pomorskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-qemetica-fd9a1bcba480567fa9007ffe624675be\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T12:08:00Z\", \"procedure_url\": \"https://platforma-qemetica.logintrade.net/portal,szczegolyZapytaniaOfertowe,fd9a1bcba480567fa9007ffe624675be.html\"}",
            "content_hash": "31902b3c338ea2fddb44f905444a92be42a7bbf4481354be1ca06e5175305fbe",
            "prev_hash": "2872ad6c896818da4a1bd6e9e99847d1582acb548d6c378f35b14b5936ed6aa8",
            "hash": "8b74a67c2b5947f9f28819d41b6e6b1f9b54e89ecc02d2622b662f9d2087cb56",
            "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
            }
        }
    ]
}