{
    "tender_id": 3920253,
    "check": {
        "ok": true,
        "versions": 12,
        "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": "2026-10-29T08:42:43Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\"}",
            "content_hash": "bf2ef5fc2c78f7fc74395bdcac167d552ff24d2343a09e3169b1b40ad0cf68d4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bcd4b622b9f4324543523e828228a460fbbb6f62b4fed81979e6c01f18e60526",
            "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": 2,
            "recorded_at": "2026-10-29T08:45:24Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858846/odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11\"}",
            "content_hash": "2ba8a13d1509b3f4ee45031bc8bc7e47d73f42ccb49adb8f4dbbf6649795cd42",
            "prev_hash": "bcd4b622b9f4324543523e828228a460fbbb6f62b4fed81979e6c01f18e60526",
            "hash": "929324933b999c76239392340aac854c6f98cd516c6ea0fa941ca5d4d00a6df0",
            "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": 3,
            "recorded_at": "2026-10-29T11:29:12Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df353f-32c4-4282-f9f4-660001a3c69a\"}",
            "content_hash": "80ed995c1686ce71cd4df0648336a437aa29db1ec85aff42646e7ddb73a3202b",
            "prev_hash": "929324933b999c76239392340aac854c6f98cd516c6ea0fa941ca5d4d00a6df0",
            "hash": "597b75a36a5315ae83e121a9d8bce0329c10a3fffc5e21824e9882e04a7ee2f5",
            "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": "2026-10-29T12:45:53Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\"}",
            "content_hash": "c418bf57c5d1c69a91162b54ce0f571779950fc8ea65caab772f3e8263fe4399",
            "prev_hash": "597b75a36a5315ae83e121a9d8bce0329c10a3fffc5e21824e9882e04a7ee2f5",
            "hash": "f3b8e25fdb95da9a7e4faa38e77e6313aca8f8e16f07e86be72fdd67c1421175",
            "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": "2026-10-29T13:45:44Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858846/odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11\"}",
            "content_hash": "2ba8a13d1509b3f4ee45031bc8bc7e47d73f42ccb49adb8f4dbbf6649795cd42",
            "prev_hash": "f3b8e25fdb95da9a7e4faa38e77e6313aca8f8e16f07e86be72fdd67c1421175",
            "hash": "fc6045bc7d202a4ebf8fa6929c783822876ef312e0095e979df757574d53a2fd",
            "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": 6,
            "recorded_at": "2026-10-29T15:30:10Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df353f-32c4-4282-f9f4-660001a3c69a\"}",
            "content_hash": "80ed995c1686ce71cd4df0648336a437aa29db1ec85aff42646e7ddb73a3202b",
            "prev_hash": "fc6045bc7d202a4ebf8fa6929c783822876ef312e0095e979df757574d53a2fd",
            "hash": "e9cbd1d9aa68025973b5c8b51085c7f119ef93417b6663e3ef3e92c11115260b",
            "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": "2026-10-29T16:30:12Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df353f-32c4-4282-f9f4-660001a3c69a\"}",
            "content_hash": "b1877689597213511dcf95e47a6bb7e29cc103f240aba3894952551571676598",
            "prev_hash": "e9cbd1d9aa68025973b5c8b51085c7f119ef93417b6663e3ef3e92c11115260b",
            "hash": "db2022ee8d1a82ba1bb695d24009229482aa2ded798cb237895f38060ce50b63",
            "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": "2026-10-29T16:45:24Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858846/odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11\"}",
            "content_hash": "ce73cbf94a645332ca1780dff968ad929772c372e3952548a9e6262ab92012fc",
            "prev_hash": "db2022ee8d1a82ba1bb695d24009229482aa2ded798cb237895f38060ce50b63",
            "hash": "4e932fd6f8463ecfc56a9d752ec7981c11859e076c748c174cc7af5dd502b7a2",
            "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": 9,
            "recorded_at": "2026-10-30T00:22:18Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858846/odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11\"}",
            "content_hash": "2ba8a13d1509b3f4ee45031bc8bc7e47d73f42ccb49adb8f4dbbf6649795cd42",
            "prev_hash": "4e932fd6f8463ecfc56a9d752ec7981c11859e076c748c174cc7af5dd502b7a2",
            "hash": "8bc9d1a48e73e1828f79c321d63a6c6c6388e4cca8db35d3f46dc080bee48984",
            "actor": null,
            "seal": null
        },
        {
            "version": 10,
            "recorded_at": "2026-10-30T03:31:17Z",
            "content": "{\"cpv\": \"90514000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90533000\", \"90511000\", \"90513000\", \"90512000\"], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df353f-32c4-4282-f9f4-660001a3c69a\"}",
            "content_hash": "80ed995c1686ce71cd4df0648336a437aa29db1ec85aff42646e7ddb73a3202b",
            "prev_hash": "8bc9d1a48e73e1828f79c321d63a6c6c6388e4cca8db35d3f46dc080bee48984",
            "hash": "2c43920d3c2c242ccc13e4c43f6ac09499abb772d6e0ea6fed95b1d936e0a704",
            "actor": null,
            "seal": null
        },
        {
            "version": 11,
            "recorded_at": "2026-10-30T06:15:46Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df353f-32c4-4282-f9f4-660001a3c69a\"}",
            "content_hash": "b1877689597213511dcf95e47a6bb7e29cc103f240aba3894952551571676598",
            "prev_hash": "2c43920d3c2c242ccc13e4c43f6ac09499abb772d6e0ea6fed95b1d936e0a704",
            "hash": "e36a0e59bc940d66f9fcd3f77188059d318dea0d7adca48f4efa512b5b7d51f2",
            "actor": null,
            "seal": null
        },
        {
            "version": 12,
            "recorded_at": "2026-10-30T06:45:41Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050708901_Odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11_2026_2.html\", \"buyer\": \"Wielkopolskie Centrum Recyklingu - Sp. z o.o. w Jarocinie\", \"title\": \"Odbiór, transport i zagospodarowanie odpadów o kodach 20 01 28, 17 03 80, 20 01 32, 20 01 11\", \"region\": \"wielkopolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Witaszyczki\", \"source_id\": \"20050708901\", \"deadline_at\": \"2026-11-10T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858846/odbior-transport-i-zagospodarowanie-odpadow-o-kodach-20-01-28-17-03-80-20-01-32-20-01-11\"}",
            "content_hash": "ce73cbf94a645332ca1780dff968ad929772c372e3952548a9e6262ab92012fc",
            "prev_hash": "e36a0e59bc940d66f9fcd3f77188059d318dea0d7adca48f4efa512b5b7d51f2",
            "hash": "6c2c9befd24704c25ae981120a56416a30617909216522302d813b7961750dce",
            "actor": null,
            "seal": null
        }
    ]
}