{
    "tender_id": 3936816,
    "check": {
        "ok": true,
        "versions": 7,
        "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": "2026-10-29T12:44:58Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\"}",
            "content_hash": "85dbd13566ffbe5b1f8999013d3b1194db417690d228be2b7fc864b85f0da525",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4cc628a467784b77ca35fc6d638ca75af283e66ed48cc486f19d0652c9155cdd",
            "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": 2,
            "recorded_at": "2026-10-29T13:45:31Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\", \"procedure_url\": \"https://pakserwis.logintrade.net/zapytania_email,1670096,c646250ee2cf730851f319e6d347abbe.html\"}",
            "content_hash": "65d2b7c93f0d336d7c608c9b211f446738178b65b1990cea292e5c403d7804ca",
            "prev_hash": "4cc628a467784b77ca35fc6d638ca75af283e66ed48cc486f19d0652c9155cdd",
            "hash": "c0ace149f80dfca6ec27b4e31b4e92a864044b6858f61cc57b86c173580c38af",
            "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": "2026-10-29T15:30:10Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\"}",
            "content_hash": "85dbd13566ffbe5b1f8999013d3b1194db417690d228be2b7fc864b85f0da525",
            "prev_hash": "c0ace149f80dfca6ec27b4e31b4e92a864044b6858f61cc57b86c173580c38af",
            "hash": "8146f13d16738764475e198a9e7178b8f91ea045a489fcace509f23784f3daa2",
            "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": "2026-10-29T19:31:05Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859217/zakup-materialow-elektrycznych-1000064153-ap\"}",
            "content_hash": "2eb281d5e5fdea5bc895cd96481c30646b48d58dd946401b3e0cd3e34bc38b98",
            "prev_hash": "8146f13d16738764475e198a9e7178b8f91ea045a489fcace509f23784f3daa2",
            "hash": "7e5e3ba7848af97e0382ffe53a8bf769e55621f8f009e824987043072ea0492c",
            "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": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\", \"procedure_url\": \"https://pakserwis.logintrade.net/zapytania_email,1670096,c646250ee2cf730851f319e6d347abbe.html\"}",
            "content_hash": "65d2b7c93f0d336d7c608c9b211f446738178b65b1990cea292e5c403d7804ca",
            "prev_hash": "7e5e3ba7848af97e0382ffe53a8bf769e55621f8f009e824987043072ea0492c",
            "hash": "4eb9e2db1ef1b80bebd324c492f9424e2dc877902cd4eb8efd02146395313f91",
            "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": 6,
            "recorded_at": "2026-10-30T09:45:18Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\", \"procedure_url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\"}",
            "content_hash": "4a8898ea3be2f3830d2210a39a0fc8f7736243a4ce4b13f101bf120bc3ef20b4",
            "prev_hash": "4eb9e2db1ef1b80bebd324c492f9424e2dc877902cd4eb8efd02146395313f91",
            "hash": "7bb08b8c7dd13c46ebf8547a74859b9673f3b5f38c88ac4ee355b4f46f5415b0",
            "actor": null,
            "seal": null
        },
        {
            "version": 7,
            "recorded_at": "2026-10-30T12:45:18Z",
            "content": "{\"url\": \"https://pakserwis.logintrade.net/zapytania_email,1670158,1a6b22d079cfbfc912e787b01bee745d.html\", \"buyer\": \"Zakup materiałów elektrycznych\", \"title\": \"Zakup materiałów elektrycznych/1000064194/AP\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"wielkopolskie\", \"source_id\": \"1670158-1a6b22d079cfbfc912e787b01bee745d\", \"deadline_at\": \"2026-10-30T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:10:11Z\"}",
            "content_hash": "85dbd13566ffbe5b1f8999013d3b1194db417690d228be2b7fc864b85f0da525",
            "prev_hash": "7bb08b8c7dd13c46ebf8547a74859b9673f3b5f38c88ac4ee355b4f46f5415b0",
            "hash": "f0893d6681e349d11e9cfcd255bb121556aa8f187e63b73c20ff74048e76cbaa",
            "actor": null,
            "seal": null
        }
    ]
}