{
    "tender_id": 4334506,
    "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": "2026-10-31T12:09:16Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051420901_Uslugi-sprzatania-na-terenie-ZZ-Krakow-z-podzialem-na-3-czesci_2026_2.html\", \"buyer\": \"Państwowe Gospodarstwo Wodne Wody Polskie\", \"title\": \"Usługi sprzątania na terenie ZZ Kraków z podziałem na 3 części\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20051420901\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "819b8335bc51e30e21c50ecbe190653a9f5878cb676c17f41b0b144a03b5296d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d929f59aba6c33a0531c01bff937805603e85b6bac9ff5143b9819ad014945df",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:32Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051420901_Uslugi-sprzatania-na-terenie-ZZ-Krakow-z-podzialem-na-3-czesci_2026_2.html\", \"buyer\": \"Państwowe Gospodarstwo Wodne Wody Polskie\", \"title\": \"Usługi sprzątania na terenie ZZ Kraków z podziałem na 3 części\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20051420901\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864246/uslugi-sprzatania-na-terenie-zz-krakow-z-podzialem-na-3-czesci\"}",
            "content_hash": "1ec23375ca0581832ffcafc695e10835b2b45ed9ecc2afa1ca7f1335419b5641",
            "prev_hash": "d929f59aba6c33a0531c01bff937805603e85b6bac9ff5143b9819ad014945df",
            "hash": "44762a9ed1b9721fe84c628a457490872a868bde07675b658fd23eb5099049b6",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T17:45:17Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051420901_Uslugi-sprzatania-na-terenie-ZZ-Krakow-z-podzialem-na-3-czesci_2026_2.html\", \"buyer\": \"Państwowe Gospodarstwo Wodne Wody Polskie\", \"title\": \"Usługi sprzątania na terenie ZZ Kraków z podziałem na 3 części\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20051420901\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df368d-9367-3b01-e2d6-6b000120b9fb\"}",
            "content_hash": "b2fd7b73f8f2d9513fb8a4f4db076378bde57594dfa7df289bdd89a014bae708",
            "prev_hash": "44762a9ed1b9721fe84c628a457490872a868bde07675b658fd23eb5099049b6",
            "hash": "6aa0daccc005f8aaa12891475c0a792a6cbb2953a851742138bec79a2f07d905",
            "actor": null,
            "seal": null
        }
    ]
}