{
    "tender_id": 3580023,
    "check": {
        "ok": true,
        "versions": 6,
        "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": "2026-10-27T12:03:08Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T09:08:11Z\"}",
            "content_hash": "83249032ac636fc0ad913c1432cb38ed6c40ed9eb3b079b638e1f639af7ef093",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "dba04e62e529153581e372a86fbe72730092b2cf47d8fdd7ea7198ff07d8eb85",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T03:33:57Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-06T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T09:08:11Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\"}",
            "content_hash": "fc45d712be8a2cd038020aab6eceffa80f0637738dd6f9f8cd1ee05f91b98f21",
            "prev_hash": "dba04e62e529153581e372a86fbe72730092b2cf47d8fdd7ea7198ff07d8eb85",
            "hash": "c799cc8014156cdc305e426cca82ea3527c76999155dbbdb71d77b15e2a72a5d",
            "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": 3,
            "recorded_at": "2026-10-29T21:16:57Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-02T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:41:51Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\"}",
            "content_hash": "41f179be68b9919fa31c320fbfed73e0f3d1bffd786d250de189225fa0dc71d1",
            "prev_hash": "c799cc8014156cdc305e426cca82ea3527c76999155dbbdb71d77b15e2a72a5d",
            "hash": "f7a29244deda3dbbc06c41e32993a48e76560595eab93ec0d9b8f0e096a37293",
            "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": "2026-10-29T23:29:52Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-02T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:41:51Z\"}",
            "content_hash": "834a4bd3dd38c2dce2f15cd20b9699b294f92b24bc153be77297723a1dfa378e",
            "prev_hash": "f7a29244deda3dbbc06c41e32993a48e76560595eab93ec0d9b8f0e096a37293",
            "hash": "7f38f9354edb32117c9d560cafdb4e294c2c3007945972f9883bb38916101e7d",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-30T03:31:16Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-02T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:41:51Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\"}",
            "content_hash": "41f179be68b9919fa31c320fbfed73e0f3d1bffd786d250de189225fa0dc71d1",
            "prev_hash": "7f38f9354edb32117c9d560cafdb4e294c2c3007945972f9883bb38916101e7d",
            "hash": "7297468ce7708eda3cf16c1a64fb326738adcd19dbc827a7a28c618b9bd7d384",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-30T07:31:13Z",
            "content": "{\"cpv\": \"98394000\", \"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670026,f23e93316c6333ce91d239b9c2dcd2ed.html\", \"buyer\": \"Enea Wytwarzanie\", \"title\": \"ZAKUP I DOSTWA MIERNIKÓW GRUBOŚCI BLACH ORAZ GŁOWIC_NLZ-SP.2110.120.2026\", \"region\": \"mazowieckie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"1670026-f23e93316c6333ce91d239b9c2dcd2ed\", \"deadline_at\": \"2026-11-02T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:41:51Z\"}",
            "content_hash": "834a4bd3dd38c2dce2f15cd20b9699b294f92b24bc153be77297723a1dfa378e",
            "prev_hash": "7297468ce7708eda3cf16c1a64fb326738adcd19dbc827a7a28c618b9bd7d384",
            "hash": "e00a8a734d53c88b7c17c3399368bec7bbf4a3c8af9a3f010a0b50da6b46a422",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}