{
    "tender_id": 4105179,
    "check": {
        "ok": true,
        "versions": 11,
        "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": "2026-10-30T07:34:21Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\"}",
            "content_hash": "7743ad025ba11a1571d83b283f65ab8cb9c5c4efafa16d3d30a764c44320ec6b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5cc0bfb1a49f4bd4499e7a607eb89cb454ab46fc7c0c9e80c63849b760edefef",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T07:45:30Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/752815-2026\"}",
            "content_hash": "c3b7ca0c1ff5b03e439e882c9da84e403e6578120d41043feaab31659e981717",
            "prev_hash": "5cc0bfb1a49f4bd4499e7a607eb89cb454ab46fc7c0c9e80c63849b760edefef",
            "hash": "1774768d1c24dd412d502810b5affd2883c189365f3cf74a67516d0ba2111f16",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-30T08:45:21Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\"}",
            "content_hash": "07f8cbd5c9773f08920f6e8e0648f9e90d153f9aeb24f3edb3fe590d4c938642",
            "prev_hash": "1774768d1c24dd412d502810b5affd2883c189365f3cf74a67516d0ba2111f16",
            "hash": "95410153f989572df2d71b0f9b04127ad21968b8a4ee13461a06f6d3451898b0",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T04:45:27Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241165/details\"}",
            "content_hash": "6f1c9f99985d2b4d7ef6c286a852f9abad33966145ff070a2e1f29aa80650d33",
            "prev_hash": "95410153f989572df2d71b0f9b04127ad21968b8a4ee13461a06f6d3451898b0",
            "hash": "2b3cd557ab80b5036cbbd627da919fd43f0d50ea533b9848cd7ae97c2c01f072",
            "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": 5,
            "recorded_at": "2026-10-31T10:45:52Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\"}",
            "content_hash": "07f8cbd5c9773f08920f6e8e0648f9e90d153f9aeb24f3edb3fe590d4c938642",
            "prev_hash": "2b3cd557ab80b5036cbbd627da919fd43f0d50ea533b9848cd7ae97c2c01f072",
            "hash": "755a7e450e2d303bb110cd0bd77a2745c0b1d8ff83933ef3ba36fa743b8dc716",
            "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": "2026-10-31T17:45:23Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241165/details\"}",
            "content_hash": "6f1c9f99985d2b4d7ef6c286a852f9abad33966145ff070a2e1f29aa80650d33",
            "prev_hash": "755a7e450e2d303bb110cd0bd77a2745c0b1d8ff83933ef3ba36fa743b8dc716",
            "hash": "3c2390821260d8cd69ea64c2b3ba1b5ad4fc8cf08b4c04a4b7b21b8c42248b14",
            "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": "2026-11-01T00:45:53Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\"}",
            "content_hash": "07f8cbd5c9773f08920f6e8e0648f9e90d153f9aeb24f3edb3fe590d4c938642",
            "prev_hash": "3c2390821260d8cd69ea64c2b3ba1b5ad4fc8cf08b4c04a4b7b21b8c42248b14",
            "hash": "c4150b011fbae7ea0073ce3cfc47aa9474e3e0f1722d2fd4eb5fd77d5854d9a1",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-01T06:45:27Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241165/details\"}",
            "content_hash": "6f1c9f99985d2b4d7ef6c286a852f9abad33966145ff070a2e1f29aa80650d33",
            "prev_hash": "c4150b011fbae7ea0073ce3cfc47aa9474e3e0f1722d2fd4eb5fd77d5854d9a1",
            "hash": "3be6cfd6cab33500755bf9f61abfc5168ef720ee1d4263b46bcdf49c69b312e4",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 9,
            "recorded_at": "2026-11-02T01:45:22Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\"}",
            "content_hash": "07f8cbd5c9773f08920f6e8e0648f9e90d153f9aeb24f3edb3fe590d4c938642",
            "prev_hash": "3be6cfd6cab33500755bf9f61abfc5168ef720ee1d4263b46bcdf49c69b312e4",
            "hash": "d8b7a297b9fe84d144e04e1335a43e9a0111dbc9754005151173cbc6b268b23f",
            "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": 10,
            "recorded_at": "2026-11-02T07:35:53Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241165/details\"}",
            "content_hash": "6f1c9f99985d2b4d7ef6c286a852f9abad33966145ff070a2e1f29aa80650d33",
            "prev_hash": "d8b7a297b9fe84d144e04e1335a43e9a0111dbc9754005151173cbc6b268b23f",
            "hash": "9b1c5e63fa20a5737438177c6ac0cc11b5f0865b28fc03c8c2579fdfdb5f18da",
            "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": 11,
            "recorded_at": "2026-11-02T13:46:10Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"Dostawa elektrod do zabiegów operacyjnych\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862907\", \"deadline_at\": \"2026-11-30T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:22Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862907/dostawa-elektrod-do-zabiegow-operacyjnych\"}",
            "content_hash": "07f8cbd5c9773f08920f6e8e0648f9e90d153f9aeb24f3edb3fe590d4c938642",
            "prev_hash": "9b1c5e63fa20a5737438177c6ac0cc11b5f0865b28fc03c8c2579fdfdb5f18da",
            "hash": "197950fb2ce31773930874cd0f40502a81aa65a3bd3071edd21877a801462f9d",
            "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
            }
        }
    ]
}