{
    "tender_id": 3056023,
    "check": {
        "ok": true,
        "versions": 10,
        "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": "2026-10-24T13:58:39Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850198/wykonanie-przegrod-termicznych-w-zakladzie-ekocem-w-dabrowie-gorniczej-16055034-\"}",
            "content_hash": "638420473431ec74928a3bd979f8f5d4ce7ca774207886de322ebb8a883a159a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "54440275ac541ae8eb43a5b7c66b6476c34e010ea5d984b6c2f8c26756db0642",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:36:01Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397056\"}",
            "content_hash": "c04a5ca2b534b10986684d43d5e79c8a7af2ade373b7e38a56832be6e6ec0a12",
            "prev_hash": "54440275ac541ae8eb43a5b7c66b6476c34e010ea5d984b6c2f8c26756db0642",
            "hash": "d118553a28854bd09ab6c04c9370ac175a3a5acb7e2e4ff87f28fdf15b5d03d9",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-25T11:36:26Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850198/wykonanie-przegrod-termicznych-w-zakladzie-ekocem-w-dabrowie-gorniczej-16055034-\"}",
            "content_hash": "638420473431ec74928a3bd979f8f5d4ce7ca774207886de322ebb8a883a159a",
            "prev_hash": "d118553a28854bd09ab6c04c9370ac175a3a5acb7e2e4ff87f28fdf15b5d03d9",
            "hash": "65f3b390de76a524ac3a0f3c70ef4e9899f93afaac321ac9fa76c0441ae22446",
            "actor": null,
            "seal": {
                "id": 2,
                "digest": "6af9ff920846d2ed2fae131d9f0f0d3d71bdf63cfd98a8a18b81289d63fe5e04",
                "file": "https://tenderiq.pl/rejestr/pieczec-2.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-2.txt.ots",
                "bitcoin_block": 973147
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-25T15:36:45Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397056\"}",
            "content_hash": "c04a5ca2b534b10986684d43d5e79c8a7af2ade373b7e38a56832be6e6ec0a12",
            "prev_hash": "65f3b390de76a524ac3a0f3c70ef4e9899f93afaac321ac9fa76c0441ae22446",
            "hash": "7b8c56fb49efc53e06aec81f629222f0b2a9be4accebf5f44731e4aea310c913",
            "actor": null,
            "seal": {
                "id": 2,
                "digest": "6af9ff920846d2ed2fae131d9f0f0d3d71bdf63cfd98a8a18b81289d63fe5e04",
                "file": "https://tenderiq.pl/rejestr/pieczec-2.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-2.txt.ots",
                "bitcoin_block": 973147
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-10-26T23:35:18Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850198/wykonanie-przegrod-termicznych-w-zakladzie-ekocem-w-dabrowie-gorniczej-16055034-\"}",
            "content_hash": "638420473431ec74928a3bd979f8f5d4ce7ca774207886de322ebb8a883a159a",
            "prev_hash": "7b8c56fb49efc53e06aec81f629222f0b2a9be4accebf5f44731e4aea310c913",
            "hash": "e70dcd76661371036a0c8a3cd1c32e91ab6f67e6ae02255cf15d5458b4695268",
            "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": 6,
            "recorded_at": "2026-10-28T22:45:34Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397056\"}",
            "content_hash": "c04a5ca2b534b10986684d43d5e79c8a7af2ade373b7e38a56832be6e6ec0a12",
            "prev_hash": "e70dcd76661371036a0c8a3cd1c32e91ab6f67e6ae02255cf15d5458b4695268",
            "hash": "ab0ea32954b8075b52e2a415836002c5dbd02e789ceab7051fbbe28bd996f240",
            "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": 7,
            "recorded_at": "2026-10-29T05:45:46Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850198/wykonanie-przegrod-termicznych-w-zakladzie-ekocem-w-dabrowie-gorniczej-16055034-\"}",
            "content_hash": "638420473431ec74928a3bd979f8f5d4ce7ca774207886de322ebb8a883a159a",
            "prev_hash": "ab0ea32954b8075b52e2a415836002c5dbd02e789ceab7051fbbe28bd996f240",
            "hash": "06bb5807a2cca8c0c11d0b9fbcfa6b972973e7e5c015cb810bbcb90c3f855fa9",
            "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": 8,
            "recorded_at": "2026-10-31T04:45:27Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397056\"}",
            "content_hash": "c04a5ca2b534b10986684d43d5e79c8a7af2ade373b7e38a56832be6e6ec0a12",
            "prev_hash": "06bb5807a2cca8c0c11d0b9fbcfa6b972973e7e5c015cb810bbcb90c3f855fa9",
            "hash": "b86240aac27fa10a0a70f7ffa9b822b359b612447cf9d160036d7f5d7fe8f4b1",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-10-31T10:45:37Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3850198/wykonanie-przegrod-termicznych-w-zakladzie-ekocem-w-dabrowie-gorniczej-16055034-\"}",
            "content_hash": "638420473431ec74928a3bd979f8f5d4ce7ca774207886de322ebb8a883a159a",
            "prev_hash": "b86240aac27fa10a0a70f7ffa9b822b359b612447cf9d160036d7f5d7fe8f4b1",
            "hash": "9361ec980707024c3060b17b2b0724d7bcb2a5bda9285636e67efec74841f75e",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 10,
            "recorded_at": "2026-10-31T17:45:46Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397056\", \"buyer\": \"Górażdże\", \"title\": \"Wykonanie przegród termicznych w zakładzie EKOCEM w Dąbrowie Górniczej (16055034)\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397056\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T07:30:00Z\", \"notice_number\": \"1397056\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397056\"}",
            "content_hash": "c04a5ca2b534b10986684d43d5e79c8a7af2ade373b7e38a56832be6e6ec0a12",
            "prev_hash": "9361ec980707024c3060b17b2b0724d7bcb2a5bda9285636e67efec74841f75e",
            "hash": "fc7c0050087535915fe5835017f848074b4100e0c9ef417108795df63bae81fe",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}