{
    "tender_id": 3920294,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-29T08:43:24Z",
            "content": "{\"cpv\": \"85121000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050695901_Uslugi-medyczne_2026_2.html\", \"buyer\": \"Transportowy Dozór Techniczny\", \"title\": \"Usługi medyczne\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20050695901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\"}",
            "content_hash": "0502341572a17d2c67077f28d60c0b7ffb527e4e7bc8cd1860ba282122847c19",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1cb9e8b0677ed3b0b35788ef50e4d6eab2a687c509d3d1b90fbae72b5f280166",
            "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\": \"85121000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050695901_Uslugi-medyczne_2026_2.html\", \"buyer\": \"Transportowy Dozór Techniczny\", \"title\": \"Usługi medyczne\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20050695901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858796/uslugi-medyczne\"}",
            "content_hash": "499b0db3f424adce085a71d904e97c6c052c9365ce02f49e8942ae4fa7fae7fc",
            "prev_hash": "1cb9e8b0677ed3b0b35788ef50e4d6eab2a687c509d3d1b90fbae72b5f280166",
            "hash": "dde11cb29b595a1f33391d841cabcf291627f180bb7662ee20a7b52371e0b197",
            "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": "2026-10-31T04:45:49Z",
            "content": "{\"cpv\": \"85121000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050695901_Uslugi-medyczne_2026_2.html\", \"buyer\": \"Transportowy Dozór Techniczny\", \"title\": \"Usługi medyczne\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20050695901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"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/08df3524-e091-0e09-f9f4-660001a3c5ce\"}",
            "content_hash": "8a0a29dd3b8ad27ae758a2c26ad3bc4b385b0019cc401b994015c119c442e4c8",
            "prev_hash": "dde11cb29b595a1f33391d841cabcf291627f180bb7662ee20a7b52371e0b197",
            "hash": "6155dd7f39605aa5aa18f499c4984615a8534cbfe975defbc5e271aa4ff43e1f",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T10:45:50Z",
            "content": "{\"cpv\": \"85121000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050695901_Uslugi-medyczne_2026_2.html\", \"buyer\": \"Transportowy Dozór Techniczny\", \"title\": \"Usługi medyczne\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Warszawa\", \"source_id\": \"20050695901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858796/uslugi-medyczne\"}",
            "content_hash": "499b0db3f424adce085a71d904e97c6c052c9365ce02f49e8942ae4fa7fae7fc",
            "prev_hash": "6155dd7f39605aa5aa18f499c4984615a8534cbfe975defbc5e271aa4ff43e1f",
            "hash": "54dc7a0778a40b80fd77759fc1ac5d108ed31253382772a2f14354835f906dde",
            "actor": null,
            "seal": null
        }
    ]
}