{
    "tender_id": 4139472,
    "check": {
        "ok": true,
        "versions": 13,
        "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": "2026-10-30T13:44:58Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\"}",
            "content_hash": "2246f8f811133f94d367501cc6edb32851b3ddaafd490264b7ad34b7c3e7e1c3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6da9152477d8872c9841dbc8a86daa5fe9b3cd8ff0c0d7ee9c28ac31e5669bd4",
            "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": "2026-10-30T13:45:37Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df365c-bdb6-3989-e2d6-6b000120aca5\"}",
            "content_hash": "080d03a541fef4c0bc90966beff325b4aa83ce59bd7391d49a5fc45f15521177",
            "prev_hash": "6da9152477d8872c9841dbc8a86daa5fe9b3cd8ff0c0d7ee9c28ac31e5669bd4",
            "hash": "a091034d9f068b2aa1a9a7ae600c09d6c35f9a27b4f696ef1708956f3a7229fe",
            "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": "2026-10-30T14:45:37Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "a091034d9f068b2aa1a9a7ae600c09d6c35f9a27b4f696ef1708956f3a7229fe",
            "hash": "328d066e474acc596daff5eff75bc5fac2b8de2b445030bbcb5417459f522c32",
            "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": "2026-10-31T04:45:21Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://zamowienia.gminaludwin.pl/#/offer/22c61ec5-3164-45a7-ade7-3432eebc6828\"}",
            "content_hash": "ed38ce62387a7030971c74f20e8e3039660bc31fa34d0083af04130416057fae",
            "prev_hash": "328d066e474acc596daff5eff75bc5fac2b8de2b445030bbcb5417459f522c32",
            "hash": "73ec55e611050464cf9cc277a771c48c5b360d082bfd376458e5101573852b36",
            "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\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "73ec55e611050464cf9cc277a771c48c5b360d082bfd376458e5101573852b36",
            "hash": "fd9fdbf271c7191887d1404a4aba7957b30cf4ae1e7a51efeb4029913e893271",
            "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": "2026-10-31T17:45:17Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://zamowienia.gminaludwin.pl/#/offer/22c61ec5-3164-45a7-ade7-3432eebc6828\"}",
            "content_hash": "ed38ce62387a7030971c74f20e8e3039660bc31fa34d0083af04130416057fae",
            "prev_hash": "fd9fdbf271c7191887d1404a4aba7957b30cf4ae1e7a51efeb4029913e893271",
            "hash": "d722aeb78e2e8869379913cbccad524539a2be865ec25507ce1629c329cc5f22",
            "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": "2026-11-01T00:45:34Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "d722aeb78e2e8869379913cbccad524539a2be865ec25507ce1629c329cc5f22",
            "hash": "928c28f024e9c7918a587496286abb0ab8df0b154a1adbb854172c51b9d04f06",
            "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": "2026-11-01T06:45:34Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://zamowienia.gminaludwin.pl/#/offer/22c61ec5-3164-45a7-ade7-3432eebc6828\"}",
            "content_hash": "ed38ce62387a7030971c74f20e8e3039660bc31fa34d0083af04130416057fae",
            "prev_hash": "928c28f024e9c7918a587496286abb0ab8df0b154a1adbb854172c51b9d04f06",
            "hash": "c3e93491ab6baaf61c5f67dba20f475b523c7978205e0fd6764bf3fec366e1f1",
            "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": "2026-11-02T01:45:23Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "c3e93491ab6baaf61c5f67dba20f475b523c7978205e0fd6764bf3fec366e1f1",
            "hash": "75e17ee611c6315e49054687ae69618f1b5d10a3a780eea1a196ddfa08c8db33",
            "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": "2026-11-02T07:35:37Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://zamowienia.gminaludwin.pl/#/offer/22c61ec5-3164-45a7-ade7-3432eebc6828\"}",
            "content_hash": "ed38ce62387a7030971c74f20e8e3039660bc31fa34d0083af04130416057fae",
            "prev_hash": "75e17ee611c6315e49054687ae69618f1b5d10a3a780eea1a196ddfa08c8db33",
            "hash": "9d9b1d430afddd2eb209d3d91ccd0c1e3af47a8ae7d41fa0ffcccdaaa0bf7971",
            "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": "2026-11-02T13:46:07Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "9d9b1d430afddd2eb209d3d91ccd0c1e3af47a8ae7d41fa0ffcccdaaa0bf7971",
            "hash": "aba843b6053c940613c383aa3d7eaf04eb88d6ac6f1de6bd209d500f57b54cba",
            "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": 12,
            "recorded_at": "2026-11-03T21:46:07Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://zamowienia.gminaludwin.pl/#/offer/22c61ec5-3164-45a7-ade7-3432eebc6828\"}",
            "content_hash": "ed38ce62387a7030971c74f20e8e3039660bc31fa34d0083af04130416057fae",
            "prev_hash": "aba843b6053c940613c383aa3d7eaf04eb88d6ac6f1de6bd209d500f57b54cba",
            "hash": "cc3c7c16b373cec318e0fdbc93ec36d5d97b12064816e8227f5811a83a5e54d5",
            "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": 13,
            "recorded_at": "2026-11-04T10:46:02Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\", \"buyer\": \"GMINA LUDWIN\", \"title\": \"Dostawa wyposażenia dla szkół z terenu Gminy Ludwin\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862980\", \"deadline_at\": \"2026-11-09T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:58Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862980/dostawa-wyposazenia-dla-szkol-z-terenu-gminy-ludwin\"}",
            "content_hash": "087cbeac5731ac6dc635b34410d94907dd6c41d5bd998f1d01ea05a27ce13615",
            "prev_hash": "cc3c7c16b373cec318e0fdbc93ec36d5d97b12064816e8227f5811a83a5e54d5",
            "hash": "3915da224a8ce8c49907cd5fa9fecdd9b473b8148b6fd02098676b063154d6d3",
            "actor": null,
            "seal": null
        }
    ]
}