{
    "tender_id": 4812508,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-02T18:44:41Z",
            "content": "{\"cpv\": \"45211310\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3909-6299-9875-e2d6-6b000120cdad\", \"buyer\": \"GMINA POLANICA-ZDRÓJ\", \"title\": \"Usprawnienia dla osób z niepełnosprawnościami: remont pomieszczeń sanitarnych po przebudowie instalacji wody użytkowej\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45111300\", \"45310000\", \"45330000\", \"45331210\", \"45400000\", \"45430000\", \"45442100\", \"45453000\", \"71320000\"], \"location\": \"Polanica-Zdrój, dolnośląskie\", \"source_id\": \"2026/BZP 00517310/01\", \"deadline_at\": \"2026-11-19T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T17:47:38Z\", \"notice_number\": \"2026/BZP 00517310/01\"}",
            "content_hash": "7d835251363f4f2e5ed879e9dc78761083a25a743b82978506ba8ffb45a02be1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "914a163f9bc47b7ae42ea2cbdbd16f7751899d9d498cf7db06722fa240abc9c9",
            "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": "2026-11-02T19:06:41Z",
            "content": "{\"cpv\": \"45211310\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3909-6299-9875-e2d6-6b000120cdad\", \"buyer\": \"GMINA POLANICA-ZDRÓJ\", \"title\": \"Usprawnienia dla osób z niepełnosprawnościami: remont pomieszczeń sanitarnych po przebudowie instalacji wody użytkowej\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45111300\", \"45310000\", \"45330000\", \"45331210\", \"45400000\", \"45430000\", \"45442100\", \"45453000\", \"71320000\"], \"location\": \"Polanica-Zdrój, dolnośląskie\", \"buyer_nip\": \"8831678080\", \"source_id\": \"2026/BZP 00517310/01\", \"deadline_at\": \"2026-11-19T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T17:47:38Z\", \"notice_number\": \"2026/BZP 00517310/01\"}",
            "content_hash": "13624834881bea67021efce231a12c4c328a0bb9147bfc56046d8ba7810c41dc",
            "prev_hash": "914a163f9bc47b7ae42ea2cbdbd16f7751899d9d498cf7db06722fa240abc9c9",
            "hash": "6da774a928baef651e24b5b0b29f46c4106277345a69e229a77728884d5937a5",
            "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": "2026-11-02T23:34:27Z",
            "content": "{\"cpv\": \"45211310\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3909-6299-9875-e2d6-6b000120cdad\", \"buyer\": \"GMINA POLANICA-ZDRÓJ\", \"title\": \"Usprawnienia dla osób z niepełnosprawnościami: remont pomieszczeń sanitarnych po przebudowie instalacji wody użytkowej\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45111300\", \"45310000\", \"45330000\", \"45331210\", \"45400000\", \"45430000\", \"45442100\", \"45453000\", \"71320000\"], \"location\": \"Polanica-Zdrój, dolnośląskie\", \"buyer_nip\": \"8831678080\", \"source_id\": \"2026/BZP 00517310/01\", \"deadline_at\": \"2026-11-19T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T17:47:38Z\", \"notice_number\": \"2026/BZP 00517310/01\", \"procedure_url\": \"https://polanica.logintrade.net/zapytania_email,242247,0e2cfc9bb69e87e9f115211e58f0ad54.html\"}",
            "content_hash": "febe711fade80593d67ced4db10ef3fee2a739c528ed525f0295558b5d007132",
            "prev_hash": "6da774a928baef651e24b5b0b29f46c4106277345a69e229a77728884d5937a5",
            "hash": "738a951acd969c0e1a3cc27c85ea47e53e9e6a4d35f0db92632ea109140fb9ac",
            "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": 4,
            "recorded_at": "2026-11-04T10:46:17Z",
            "content": "{\"cpv\": \"45211310\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3909-6299-9875-e2d6-6b000120cdad\", \"buyer\": \"GMINA POLANICA-ZDRÓJ\", \"title\": \"Usprawnienia dla osób z niepełnosprawnościami: remont pomieszczeń sanitarnych po przebudowie instalacji wody użytkowej\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45111300\", \"45310000\", \"45330000\", \"45331210\", \"45400000\", \"45430000\", \"45442100\", \"45453000\", \"71320000\"], \"location\": \"Polanica-Zdrój, dolnośląskie\", \"buyer_nip\": \"8831678080\", \"source_id\": \"2026/BZP 00517310/01\", \"deadline_at\": \"2026-11-19T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T17:47:38Z\", \"notice_number\": \"2026/BZP 00517310/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867052/crzp-18-2026-usprawnienia-dla-osob-z-niepelnosprawnosciami-remont-pomieszczen-sanitarnych-po-przebudowie-instalacji-wody\"}",
            "content_hash": "9768a2b326d0232946c00aa3919eded004ccd361ac586faa2b2de6505f2e7f3c",
            "prev_hash": "738a951acd969c0e1a3cc27c85ea47e53e9e6a4d35f0db92632ea109140fb9ac",
            "hash": "446de5a86e16054b9e4b317ae9d370e197a418b69c6422b237b7b756924bf15a",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-04T13:45:26Z",
            "content": "{\"cpv\": \"45211310\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3909-6299-9875-e2d6-6b000120cdad\", \"buyer\": \"GMINA POLANICA-ZDRÓJ\", \"title\": \"Usprawnienia dla osób z niepełnosprawnościami: remont pomieszczeń sanitarnych po przebudowie instalacji wody użytkowej\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45111300\", \"45310000\", \"45330000\", \"45331210\", \"45400000\", \"45430000\", \"45442100\", \"45453000\", \"71320000\"], \"location\": \"Polanica-Zdrój, dolnośląskie\", \"buyer_nip\": \"8831678080\", \"source_id\": \"2026/BZP 00517310/01\", \"deadline_at\": \"2026-11-19T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T17:47:38Z\", \"notice_number\": \"2026/BZP 00517310/01\", \"procedure_url\": \"https://polanica.logintrade.net/zapytania_email,242247,0e2cfc9bb69e87e9f115211e58f0ad54.html\"}",
            "content_hash": "febe711fade80593d67ced4db10ef3fee2a739c528ed525f0295558b5d007132",
            "prev_hash": "446de5a86e16054b9e4b317ae9d370e197a418b69c6422b237b7b756924bf15a",
            "hash": "84c9a3a6c36e340237af9182d8bc643c580c1883b8cb79a0df5a72fa6f234f78",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}