{
    "tender_id": 2573054,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "17149339aa1e540267bd65f255274e97036c9ca0d660085f2d3818f254519b67",
            "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": "2026-10-24T14:36:10Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://zim-wroc.logintrade.net/zapytania_email,243298,7277ea98ddf7f923b01e48ceba2a4df6.html\"}",
            "content_hash": "d5c9a8de3c7b2850726c124cec2e08cc562c22f9fdca2e0dd6256c3d911ac64e",
            "prev_hash": "17149339aa1e540267bd65f255274e97036c9ca0d660085f2d3818f254519b67",
            "hash": "ebdf348bbcc49c91bf3f2147b30b6841c91ff86b8cb00ab99d337297609bbea6",
            "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": "2026-10-25T11:36:20Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "ebdf348bbcc49c91bf3f2147b30b6841c91ff86b8cb00ab99d337297609bbea6",
            "hash": "17f41d934d3edb71d23cd0a37c79a508a8b1eaa133595895b691504966e1284e",
            "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": "2026-10-25T15:37:06Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://zim-wroc.logintrade.net/zapytania_email,243298,7277ea98ddf7f923b01e48ceba2a4df6.html\"}",
            "content_hash": "d5c9a8de3c7b2850726c124cec2e08cc562c22f9fdca2e0dd6256c3d911ac64e",
            "prev_hash": "17f41d934d3edb71d23cd0a37c79a508a8b1eaa133595895b691504966e1284e",
            "hash": "c0aa01d47e78b662c0f97ad5ce4a86c5dc99a05ab06663ae8afbe9497bedf135",
            "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": "2026-10-26T23:36:01Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "c0aa01d47e78b662c0f97ad5ce4a86c5dc99a05ab06663ae8afbe9497bedf135",
            "hash": "1a9733315249856f37579c88ea99b732651048e73bdb0829a405088d9cf6d5e7",
            "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": "2026-10-28T22:45:43Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://zim-wroc.logintrade.net/zapytania_email,243298,7277ea98ddf7f923b01e48ceba2a4df6.html\"}",
            "content_hash": "d5c9a8de3c7b2850726c124cec2e08cc562c22f9fdca2e0dd6256c3d911ac64e",
            "prev_hash": "1a9733315249856f37579c88ea99b732651048e73bdb0829a405088d9cf6d5e7",
            "hash": "17e9c7ed88650ac88d2743f55e2b286be9d46d48ada80dddec336903e4a4e24a",
            "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": "2026-10-29T05:45:56Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "17e9c7ed88650ac88d2743f55e2b286be9d46d48ada80dddec336903e4a4e24a",
            "hash": "58765de3080a1949186ae469ec25303cdc81d1d1365b37b693889789a391554d",
            "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": "2026-10-31T04:45:22Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://zim-wroc.logintrade.net/zapytania_email,243298,7277ea98ddf7f923b01e48ceba2a4df6.html\"}",
            "content_hash": "d5c9a8de3c7b2850726c124cec2e08cc562c22f9fdca2e0dd6256c3d911ac64e",
            "prev_hash": "58765de3080a1949186ae469ec25303cdc81d1d1365b37b693889789a391554d",
            "hash": "603b4420089ecf02ecab26e1ac8455812aed38c2014e033c36d006cf737b7ebf",
            "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": 9,
            "recorded_at": "2026-10-31T10:46:06Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "603b4420089ecf02ecab26e1ac8455812aed38c2014e033c36d006cf737b7ebf",
            "hash": "4513c0a9624819ebea740f48f62520db3df4d9579267d8dbf01846f482892625",
            "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": 10,
            "recorded_at": "2026-10-31T17:45:26Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://zim-wroc.logintrade.net/zapytania_email,243298,7277ea98ddf7f923b01e48ceba2a4df6.html\"}",
            "content_hash": "d5c9a8de3c7b2850726c124cec2e08cc562c22f9fdca2e0dd6256c3d911ac64e",
            "prev_hash": "4513c0a9624819ebea740f48f62520db3df4d9579267d8dbf01846f482892625",
            "hash": "7cfce48cbdc8e7fc70fcd299d4e2a8cd40cc7ed92e94b666c0198ed38d0f54f6",
            "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": 11,
            "recorded_at": "2026-11-01T00:45:30Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2f69-8e34-2ab3-701a-d00001f0e21a\", \"buyer\": \"GMINA WROCŁAW - ZARZĄD INWESTYCJI MIEJSKICH\", \"title\": \"Wymiana naświetli z luksferów w budynku Zespołu Szkół nr 21 przy ul. Ignuta 28 we Wrocławiu\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław, dolnośląskie\", \"source_id\": \"2026/BZP 00499152/01\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-21T11:50:51Z\", \"notice_number\": \"2026/BZP 00499152/01\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3845198/wymiana-naswietli-z-luksferow-w-budynku-zespolu-szkol-nr-21-przy-ul-ignuta-28-we-wroclawiu\"}",
            "content_hash": "c01c4602c926fac3dd55e5a125832cafa3ea1d790349c9f4a0ec646bceab4ad2",
            "prev_hash": "7cfce48cbdc8e7fc70fcd299d4e2a8cd40cc7ed92e94b666c0198ed38d0f54f6",
            "hash": "91039ae076923a1634452a8e4bf038ee63581085c3df4d53fd5b7592bb69f1c5",
            "actor": null,
            "seal": null
        }
    ]
}