{
    "tender_id": 6546510,
    "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": "2026-11-11T10:01:23Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\", \"buyer\": \"Gmina Oborniki\", \"title\": \"Dostawa paliw samochodowych\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3890023\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T10:01:23Z\"}",
            "content_hash": "9912d6f1c4d60bf9404e1fb73d6dfe1f2a3708e2ea6c1e7b9c646ded76a8dd68",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "27a5acb3d2e26029856887a036f7ec390b229e6c3a87ef813451e901fe702a5a",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-11T10:46:04Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\", \"buyer\": \"Gmina Oborniki\", \"title\": \"Dostawa paliw samochodowych\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3890023\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T10:01:23Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3f16-f2a2-f7dc-c1c5-d5000193fb05\"}",
            "content_hash": "356c6695e52fc7f89a5f6bc79449525307b900bc91170de166a22cb5c66b5bbe",
            "prev_hash": "27a5acb3d2e26029856887a036f7ec390b229e6c3a87ef813451e901fe702a5a",
            "hash": "6301bdb5972ad0e5b181791ccbb5c54c8bd0aa05420f5ae07fd4abd3721e0e67",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-11T13:45:33Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\", \"buyer\": \"Gmina Oborniki\", \"title\": \"Dostawa paliw samochodowych\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3890023\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T10:01:23Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\"}",
            "content_hash": "ac7986d8d71088e0df650736d2dfc1c72ec01ad00fd33dd8969bf9702bc9bde7",
            "prev_hash": "6301bdb5972ad0e5b181791ccbb5c54c8bd0aa05420f5ae07fd4abd3721e0e67",
            "hash": "1c07983f01a7c8f376cb9e6ec3e49a58f1ddbce148eb45e5946cfa905353f4d5",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-11T16:45:35Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\", \"buyer\": \"Gmina Oborniki\", \"title\": \"Dostawa paliw samochodowych\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3890023\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T10:01:23Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3f16-f2a2-f7dc-c1c5-d5000193fb05\"}",
            "content_hash": "356c6695e52fc7f89a5f6bc79449525307b900bc91170de166a22cb5c66b5bbe",
            "prev_hash": "1c07983f01a7c8f376cb9e6ec3e49a58f1ddbce148eb45e5946cfa905353f4d5",
            "hash": "e42e5fa1b1526d2c1e437634ba73c8d04dad469a7be4690bc3985275cc6f1960",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-12T05:45:54Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\", \"buyer\": \"Gmina Oborniki\", \"title\": \"Dostawa paliw samochodowych\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3890023\", \"deadline_at\": \"2026-11-18T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-11T10:01:23Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3890023/dostawa-paliw-samochodowych\"}",
            "content_hash": "ac7986d8d71088e0df650736d2dfc1c72ec01ad00fd33dd8969bf9702bc9bde7",
            "prev_hash": "e42e5fa1b1526d2c1e437634ba73c8d04dad469a7be4690bc3985275cc6f1960",
            "hash": "4251e924db44b0cb58bc0ecca38b1c5f8b1cac3239495aeab34800a0eb36725b",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        }
    ]
}