{
    "tender_id": 3435977,
    "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": "2026-10-26T19:52:30Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\"}",
            "content_hash": "60a3bec3bc2bf8025e711820e56ee7814e71b26e2ffafd6db26dffcb6943bfa2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "26de134ea97cfdaec472506aaa8c4febf2bdf262413d4eb72effcb8f24ec290b",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:35:39Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\"}",
            "content_hash": "49c07b33e90a18c2d1593eb3f1360a0844efd7d116e5966f30c22b0c0145e52e",
            "prev_hash": "26de134ea97cfdaec472506aaa8c4febf2bdf262413d4eb72effcb8f24ec290b",
            "hash": "9fb054622fe200bff8d08105edb8be47df05bfc4cde0b1ec9a3a6421a0af5bf2",
            "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": 3,
            "recorded_at": "2026-10-28T22:45:38Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://czerwonak.ezamawiajacy.pl/pn/CZERWONAK/demand/notice/public/240374/details\"}",
            "content_hash": "f845dc6ac7485794e855cc085d0505eb7673e460217e6d2b335e0a490c91b3e9",
            "prev_hash": "9fb054622fe200bff8d08105edb8be47df05bfc4cde0b1ec9a3a6421a0af5bf2",
            "hash": "67acf4447f63e0c156086f17e3d5746b415c0fc56bc3ad0140819ce82260e837",
            "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": 4,
            "recorded_at": "2026-10-29T05:45:53Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\"}",
            "content_hash": "49c07b33e90a18c2d1593eb3f1360a0844efd7d116e5966f30c22b0c0145e52e",
            "prev_hash": "67acf4447f63e0c156086f17e3d5746b415c0fc56bc3ad0140819ce82260e837",
            "hash": "1e9c55667857b9675d33ef03d273e512ecccdac935b7e218548dcdb738ae32d9",
            "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": 5,
            "recorded_at": "2026-10-31T04:45:29Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://czerwonak.ezamawiajacy.pl/pn/CZERWONAK/demand/notice/public/240374/details\"}",
            "content_hash": "f845dc6ac7485794e855cc085d0505eb7673e460217e6d2b335e0a490c91b3e9",
            "prev_hash": "1e9c55667857b9675d33ef03d273e512ecccdac935b7e218548dcdb738ae32d9",
            "hash": "3b84d25f72252cfe32cdcd52f4b5682a3284f320f8909e2a9efeb6cc34c5d2ac",
            "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": 974039
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-10-31T10:45:50Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\"}",
            "content_hash": "49c07b33e90a18c2d1593eb3f1360a0844efd7d116e5966f30c22b0c0145e52e",
            "prev_hash": "3b84d25f72252cfe32cdcd52f4b5682a3284f320f8909e2a9efeb6cc34c5d2ac",
            "hash": "2a6f9ba768023c5e86a4eded086d9a0d1da3a623a39f92f15f7888035c319e5f",
            "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": 974039
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-10-31T17:45:41Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://czerwonak.ezamawiajacy.pl/pn/CZERWONAK/demand/notice/public/240374/details\"}",
            "content_hash": "f845dc6ac7485794e855cc085d0505eb7673e460217e6d2b335e0a490c91b3e9",
            "prev_hash": "2a6f9ba768023c5e86a4eded086d9a0d1da3a623a39f92f15f7888035c319e5f",
            "hash": "c1c7c806c3b4e0c4ec9747dd4ac6c30a80afbbd08dc52d8c4073c0b41e77326b",
            "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": 974039
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T00:45:47Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\"}",
            "content_hash": "49c07b33e90a18c2d1593eb3f1360a0844efd7d116e5966f30c22b0c0145e52e",
            "prev_hash": "c1c7c806c3b4e0c4ec9747dd4ac6c30a80afbbd08dc52d8c4073c0b41e77326b",
            "hash": "710d9e3ceb833c51b05df6f653fb63a3636ee64d107cd83196472eb76c6b9e2b",
            "actor": null,
            "seal": null
        },
        {
            "version": 9,
            "recorded_at": "2026-11-01T06:45:34Z",
            "content": "{\"cpv\": \"39512000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854003/dostawa-30-sztuk-plandek-ochronnych\", \"buyer\": \"GMINA CZERWONAK\", \"title\": \"Dostawa 30 sztuk plandek ochronnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854003\", \"deadline_at\": \"2026-11-02T10:15:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-26T19:52:31Z\", \"procedure_url\": \"https://czerwonak.ezamawiajacy.pl/pn/CZERWONAK/demand/notice/public/240374/details\"}",
            "content_hash": "f845dc6ac7485794e855cc085d0505eb7673e460217e6d2b335e0a490c91b3e9",
            "prev_hash": "710d9e3ceb833c51b05df6f653fb63a3636ee64d107cd83196472eb76c6b9e2b",
            "hash": "ac1c11159a2f811d32af8b26b84090d6f4a938d7a489ba1848ebd4270ef0d2ac",
            "actor": null,
            "seal": null
        }
    ]
}