{
    "tender_id": 1055893,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3650939/ustanowienie-dynamicznego-systemu-zakupow-na-dostawy-materialow-reklamowych-promocyjnych-pamiatkowych-kolekcjonerskich-na\"}",
            "content_hash": "708b1571dc137278742801006f1010315d945ab9cd971bd7fc9511f6b86c5b8a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f7a3a312dd62a115adbe266d8205e7093305e92727b970467fc94d274a584020",
            "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": "2026-10-24T14:36:19Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1332989\"}",
            "content_hash": "7c12d309e6b2d4791f775aea9fce3b5465d520a256eebc0661a15db7bda4de6b",
            "prev_hash": "f7a3a312dd62a115adbe266d8205e7093305e92727b970467fc94d274a584020",
            "hash": "27dcda3d15721a6a985b100a5d64d0643b40b90ca9e27e7b21daa1d07adfbd83",
            "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": "2026-10-25T11:36:07Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3650939/ustanowienie-dynamicznego-systemu-zakupow-na-dostawy-materialow-reklamowych-promocyjnych-pamiatkowych-kolekcjonerskich-na\"}",
            "content_hash": "708b1571dc137278742801006f1010315d945ab9cd971bd7fc9511f6b86c5b8a",
            "prev_hash": "27dcda3d15721a6a985b100a5d64d0643b40b90ca9e27e7b21daa1d07adfbd83",
            "hash": "d8a9d86fba7c748afe9ca21bc3222619fe2fe1b3370183b1bff0939ca625d289",
            "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": "2026-10-25T15:36:58Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1332989\"}",
            "content_hash": "7c12d309e6b2d4791f775aea9fce3b5465d520a256eebc0661a15db7bda4de6b",
            "prev_hash": "d8a9d86fba7c748afe9ca21bc3222619fe2fe1b3370183b1bff0939ca625d289",
            "hash": "28ce417eb45917ab7626eecc7745739bcedd2f09c22bad51cb9cf66743f7b37c",
            "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": "2026-10-26T23:35:20Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3650939/ustanowienie-dynamicznego-systemu-zakupow-na-dostawy-materialow-reklamowych-promocyjnych-pamiatkowych-kolekcjonerskich-na\"}",
            "content_hash": "708b1571dc137278742801006f1010315d945ab9cd971bd7fc9511f6b86c5b8a",
            "prev_hash": "28ce417eb45917ab7626eecc7745739bcedd2f09c22bad51cb9cf66743f7b37c",
            "hash": "3a9ea9e14cc255751e9ad7114bb46b75d614ffe396f373385c2ea3c41b7bf017",
            "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": "2026-10-28T22:45:59Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1332989\"}",
            "content_hash": "7c12d309e6b2d4791f775aea9fce3b5465d520a256eebc0661a15db7bda4de6b",
            "prev_hash": "3a9ea9e14cc255751e9ad7114bb46b75d614ffe396f373385c2ea3c41b7bf017",
            "hash": "c901b96c7e453ef70e3a6d6056f03a9b9f45dc629b4e81577df809b11ed7ce79",
            "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": "2026-10-29T05:46:03Z",
            "content": "{\"cpv\": \"22462000\", \"url\": \"https://platformazakupowa.pl/transakcja/1332989\", \"buyer\": \"Uniwersytet Wrocławski\", \"title\": \"Ustanowienie Dynamicznego Systemu Zakupów na dostawy materiałów reklamowych, promocyjnych, pamiątkowych, kolekcjonerskich na potrzeby Uniwersytetu Wrocławskiego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"39294100\", \"18000000\", \"18930000\", \"18937000\", \"30190000\", \"37520000\", \"39220000\", \"39221120\", \"44111300\", \"79340000\"], \"location\": \"Polska\", \"source_id\": \"1332989\", \"deadline_at\": \"2028-06-24T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-06-25T12:16:00Z\", \"notice_number\": \"1332989\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3650939/ustanowienie-dynamicznego-systemu-zakupow-na-dostawy-materialow-reklamowych-promocyjnych-pamiatkowych-kolekcjonerskich-na\"}",
            "content_hash": "708b1571dc137278742801006f1010315d945ab9cd971bd7fc9511f6b86c5b8a",
            "prev_hash": "c901b96c7e453ef70e3a6d6056f03a9b9f45dc629b4e81577df809b11ed7ce79",
            "hash": "78a6ac21da456448f93e5b249ef3276ecf69b3f4f97fa9257156e5d090fb9ceb",
            "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
            }
        }
    ]
}