{
    "tender_id": 4713335,
    "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": "2026-11-02T05:57:03Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\"}",
            "content_hash": "a14b8ce2c2ff946a66ac78d4e044025a0ba6d26e58c3e69b17332aa4679e4dc8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "71d7dfcb120ed83d34a26ed20cf4ffc5466d525e35aa0da123f510644e2ccef6",
            "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": "2026-11-02T09:45:22Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/748558-2026\"}",
            "content_hash": "e7e20d1925d57b165b1c61de003b62e15a6b03fa30694803738590e4ed6a5974",
            "prev_hash": "71d7dfcb120ed83d34a26ed20cf4ffc5466d525e35aa0da123f510644e2ccef6",
            "hash": "190cdecab10d63f125040e2bc03fc0f821067f6cba4b2fdb34b835c2a9bfd1fc",
            "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": "2026-11-02T11:32:15Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\"}",
            "content_hash": "b7eb9feb44e53994215663319839c2dd88349c2a98f94d475b29c66238dd652d",
            "prev_hash": "190cdecab10d63f125040e2bc03fc0f821067f6cba4b2fdb34b835c2a9bfd1fc",
            "hash": "58eabe14f03eb938807927dadff12d7f019c2b10062974e9b30ad4c830cbab85",
            "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": 4,
            "recorded_at": "2026-11-02T23:34:28Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://zzpprzymz.ezamawiajacy.pl/pn/zzpprzymz/demand/notice/public/240715/details\"}",
            "content_hash": "0944e6c3c74d547df8d78f4b44d492f5c4e884c324f0fa04ab609a3d9a9cdca9",
            "prev_hash": "58eabe14f03eb938807927dadff12d7f019c2b10062974e9b30ad4c830cbab85",
            "hash": "0428f7bb132eaef71c879ad4e7c4e0058c10769e0c96673dffa60f2b183a3d02",
            "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": 5,
            "recorded_at": "2026-11-03T07:34:23Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858083/szczepionka-przeciw-zakazeniom-powodowanym-przez-rotawirusy-do-szczepien-obowiazkowych-czesci-1-2\"}",
            "content_hash": "0d98cbe0975e0b754ee974cdbb5e5c66e30754cb857dd0d870e000853a696113",
            "prev_hash": "0428f7bb132eaef71c879ad4e7c4e0058c10769e0c96673dffa60f2b183a3d02",
            "hash": "75f3773bdd1e858b2afc8ad3bfc23d91e13280a8016919e5d99509861d2f9d7b",
            "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": 6,
            "recorded_at": "2026-11-03T19:34:55Z",
            "content": "{\"cpv\": \"33651600\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/757984-2026\", \"buyer\": \"MINISTERSTWO ZDROWIA\", \"title\": \"Polska – Szczepionki – Szczepionka przeciw zakażeniom powodowanym przez rotawirusy, do szczepień obowiązkowych części: 1÷2\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PLZZZ, POL, PLZZZ, PLZZZ, POL, POL\", \"buyer_nip\": \"5251918554\", \"source_id\": \"757984-2026\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://zzpprzymz.ezamawiajacy.pl/pn/zzpprzymz/demand/notice/public/240715/details\"}",
            "content_hash": "0944e6c3c74d547df8d78f4b44d492f5c4e884c324f0fa04ab609a3d9a9cdca9",
            "prev_hash": "75f3773bdd1e858b2afc8ad3bfc23d91e13280a8016919e5d99509861d2f9d7b",
            "hash": "7bb36d2f1c489cca3d7faa7679248fbdc5eccaed780446df22f913e3f26d4c27",
            "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
            }
        }
    ]
}