{
    "tender_id": 5127450,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-11-04T05:44:27Z",
            "content": "{\"cpv\": \"38432200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051979701_Dostawa-termocyklera-z-blokiem-gradientowym_2026_2.html\", \"buyer\": \"UNIWERSYTET WROCŁAWSKI\", \"title\": \"Dostawa termocyklera z blokiem gradientowym\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051979701\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\"}",
            "content_hash": "93a5984fe4f7fb1e2270c3961127b602d043539f6837f1f411ee6ba5b3db479d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "18fccae8abc56679d45898b9e318e99e4be47e84b4f57fb5e50a07866d29e6a1",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T05:45:29Z",
            "content": "{\"cpv\": \"38432200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051979701_Dostawa-termocyklera-z-blokiem-gradientowym_2026_2.html\", \"buyer\": \"UNIWERSYTET WROCŁAWSKI\", \"title\": \"Dostawa termocyklera z blokiem gradientowym\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051979701\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1384861\"}",
            "content_hash": "78985e1cc78b30daf2cee0ba290dbc73f3471e78581908dbdc83a22af9f7c3a2",
            "prev_hash": "18fccae8abc56679d45898b9e318e99e4be47e84b4f57fb5e50a07866d29e6a1",
            "hash": "966f413963d0ec06784c6cbae79c80115d273a901852bf4c5765755645b4ed32",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T11:34:02Z",
            "content": "{\"cpv\": \"38432200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051979701_Dostawa-termocyklera-z-blokiem-gradientowym_2026_2.html\", \"buyer\": \"UNIWERSYTET WROCŁAWSKI\", \"title\": \"Dostawa termocyklera z blokiem gradientowym\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051979701\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"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/08df39ad-7d63-e0d8-e2d6-6b000120dd65\"}",
            "content_hash": "ee3fe6fffa109afbac485172d44ecf888ebfce41c10091acb725c3c8d1ca842f",
            "prev_hash": "966f413963d0ec06784c6cbae79c80115d273a901852bf4c5765755645b4ed32",
            "hash": "d070e167c8e8856e5973c2747a6566d6768a38fefb7c811bbdf60d8d38a1f64e",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-04T19:36:08Z",
            "content": "{\"cpv\": \"38432200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051979701_Dostawa-termocyklera-z-blokiem-gradientowym_2026_2.html\", \"buyer\": \"UNIWERSYTET WROCŁAWSKI\", \"title\": \"Dostawa termocyklera z blokiem gradientowym\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051979701\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3871554/dostawa-termocyklera-z-blokiem-gradientowym\"}",
            "content_hash": "7e7281f2589d577602ff8239eb789637361033d7f2239646e277ea08a8fa64c5",
            "prev_hash": "d070e167c8e8856e5973c2747a6566d6768a38fefb7c811bbdf60d8d38a1f64e",
            "hash": "bb32c0abeb63b2983938916129f9dbe6273fe8e9e481024ca6472f0db563e97e",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-05T03:07:53Z",
            "content": "{\"cpv\": \"38950000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051979701_Dostawa-termocyklera-z-blokiem-gradientowym_2026_2.html\", \"buyer\": \"UNIWERSYTET WROCŁAWSKI\", \"title\": \"Dostawa termocyklera z blokiem gradientowym\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051979701\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3871554/dostawa-termocyklera-z-blokiem-gradientowym\"}",
            "content_hash": "71e11e83177821b9a7321a1362ef44055d10aeeed74eae8bc22bd2a88afbf5cc",
            "prev_hash": "bb32c0abeb63b2983938916129f9dbe6273fe8e9e481024ca6472f0db563e97e",
            "hash": "e0b31451d77920bcbd04b4a873414061a1db72ee5296436a4a72a933cf6df46c",
            "actor": null,
            "seal": null
        }
    ]
}