{
    "tender_id": 2792491,
    "check": {
        "ok": true,
        "versions": 9,
        "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\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3846921/dostawa-srodkow-kontrastowych\"}",
            "content_hash": "9557e66ff9f5863483032c064367f1b246e743366f6270332235c8a9834ab78e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "972c93f8cbf94846739ae3e55d7d794faf967e786419f4c6cd37faa399f01b22",
            "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": "2026-10-24T14:36:05Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\"}",
            "content_hash": "e1df2e1016c43954dc4548fab9da3c6f9b63dbbab5f74127929c676a6cfe91c1",
            "prev_hash": "972c93f8cbf94846739ae3e55d7d794faf967e786419f4c6cd37faa399f01b22",
            "hash": "bc629491f37d67d364ba11a468ecd1f8ec2d0f6865f4d0730174d7ee0d705097",
            "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\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3846921/dostawa-srodkow-kontrastowych\"}",
            "content_hash": "9557e66ff9f5863483032c064367f1b246e743366f6270332235c8a9834ab78e",
            "prev_hash": "bc629491f37d67d364ba11a468ecd1f8ec2d0f6865f4d0730174d7ee0d705097",
            "hash": "2f1679d301dd7b02b56dad0be624391a8dc933354bf821143b4bdebc842d7a0a",
            "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": "2026-10-25T15:36:36Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\"}",
            "content_hash": "e1df2e1016c43954dc4548fab9da3c6f9b63dbbab5f74127929c676a6cfe91c1",
            "prev_hash": "2f1679d301dd7b02b56dad0be624391a8dc933354bf821143b4bdebc842d7a0a",
            "hash": "64ab0f7e9ebab462f4de6ebd5ff2f795791996d868c9bad948fc8d8bd399ee9e",
            "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": "2026-10-26T23:35:27Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3846921/dostawa-srodkow-kontrastowych\"}",
            "content_hash": "9557e66ff9f5863483032c064367f1b246e743366f6270332235c8a9834ab78e",
            "prev_hash": "64ab0f7e9ebab462f4de6ebd5ff2f795791996d868c9bad948fc8d8bd399ee9e",
            "hash": "d6ff40222530dedba33654e7bd6689e082f1e866ed23ff0432a8654ac8e9ddbb",
            "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": "2026-10-28T22:45:57Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\"}",
            "content_hash": "e1df2e1016c43954dc4548fab9da3c6f9b63dbbab5f74127929c676a6cfe91c1",
            "prev_hash": "d6ff40222530dedba33654e7bd6689e082f1e866ed23ff0432a8654ac8e9ddbb",
            "hash": "9f20d2e152a74be22e90e145015e38e9a40692bac78bd7b934b81722887bbc74",
            "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": "2026-10-29T05:45:37Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3846921/dostawa-srodkow-kontrastowych\"}",
            "content_hash": "9557e66ff9f5863483032c064367f1b246e743366f6270332235c8a9834ab78e",
            "prev_hash": "9f20d2e152a74be22e90e145015e38e9a40692bac78bd7b934b81722887bbc74",
            "hash": "4782e5798dfb852f1ad6e0a1f882ae675371d8736398d491b7be4e9074f2e42d",
            "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": "2026-10-31T04:45:29Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\"}",
            "content_hash": "e1df2e1016c43954dc4548fab9da3c6f9b63dbbab5f74127929c676a6cfe91c1",
            "prev_hash": "4782e5798dfb852f1ad6e0a1f882ae675371d8736398d491b7be4e9074f2e42d",
            "hash": "038e6a3f87b22cfdb12094ce8a2018d73b3004e463efd0e2d2b120d89e217980",
            "actor": null,
            "seal": null
        },
        {
            "version": 9,
            "recorded_at": "2026-10-31T10:46:10Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://swb.ezamawiajacy.pl/pn/swb/demand/notice/public/239713/details\", \"buyer\": \"Szpital Wojewódzki im. Jana Pawła II w Bełchatowie\", \"title\": \"Dostawa środków kontrastowych\", \"region\": \"lodzkie\", \"source\": \"swb_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"239713\", \"deadline_at\": \"2026-11-23T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T07:19:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3846921/dostawa-srodkow-kontrastowych\"}",
            "content_hash": "9557e66ff9f5863483032c064367f1b246e743366f6270332235c8a9834ab78e",
            "prev_hash": "038e6a3f87b22cfdb12094ce8a2018d73b3004e463efd0e2d2b120d89e217980",
            "hash": "5bad91be631d4b896d6262b7d72a9e1609625db9f8006cad5bc9df2e39eada11",
            "actor": null,
            "seal": null
        }
    ]
}