{
    "tender_id": 5127551,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T05:44:34Z",
            "content": "{\"cpv\": \"98380000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051929401_Zapewnienie-opieki-bezdomnym-zwierzetom-oraz-ich-wylapywanie-na-terenie-Gminy-Ketrzyn_2026_2.html\", \"buyer\": \"GMINA KĘTRZYN\", \"title\": \"Zapewnienie opieki bezdomnym zwierzętom oraz ich wyłapywanie na terenie Gminy Kętrzyn\", \"region\": \"warminsko-mazurskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kętrzyn\", \"source_id\": \"20051929401\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\"}",
            "content_hash": "a3b8092e6bc6b431068713f2cbc465635adb1e7d85226e4e141b53245008efc1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6cf9cf21a07bba226a0b957d76a36c8d2fe1d6f7a7061b9613e423cbe53278e1",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T05:45:30Z",
            "content": "{\"cpv\": \"98380000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051929401_Zapewnienie-opieki-bezdomnym-zwierzetom-oraz-ich-wylapywanie-na-terenie-Gminy-Ketrzyn_2026_2.html\", \"buyer\": \"GMINA KĘTRZYN\", \"title\": \"Zapewnienie opieki bezdomnym zwierzętom oraz ich wyłapywanie na terenie Gminy Kętrzyn\", \"region\": \"warminsko-mazurskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kętrzyn\", \"source_id\": \"20051929401\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df39a3-f29f-062d-e2d6-6b000120db02\"}",
            "content_hash": "9a9c69470e09d67829fe850f22054d5a1b49353597e993415bab28cc010bf2be",
            "prev_hash": "6cf9cf21a07bba226a0b957d76a36c8d2fe1d6f7a7061b9613e423cbe53278e1",
            "hash": "44b38b0a475525667837b790ebdea32b4de0eaba0ecd5dc0be3c84870e1e22cf",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T19:36:09Z",
            "content": "{\"cpv\": \"98380000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051929401_Zapewnienie-opieki-bezdomnym-zwierzetom-oraz-ich-wylapywanie-na-terenie-Gminy-Ketrzyn_2026_2.html\", \"buyer\": \"GMINA KĘTRZYN\", \"title\": \"Zapewnienie opieki bezdomnym zwierzętom oraz ich wyłapywanie na terenie Gminy Kętrzyn\", \"region\": \"warminsko-mazurskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kętrzyn\", \"source_id\": \"20051929401\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3871444/zapewnienie-opieki-bezdomnym-zwierzetom-oraz-ich-wylapywanie-na-terenie-gminy-ketrzyn\"}",
            "content_hash": "bc3d700ed28fd73c0f8c45cd6cd6a613e2b00950ab4a259f257dfeeadf35bce6",
            "prev_hash": "44b38b0a475525667837b790ebdea32b4de0eaba0ecd5dc0be3c84870e1e22cf",
            "hash": "570969862f0a0eedbe8c426d32fb5a8292dd92f0e0f3d1a8321b73b9325ff987",
            "actor": null,
            "seal": null
        }
    ]
}