{
    "tender_id": 5763155,
    "check": {
        "ok": true,
        "versions": 8,
        "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": "2026-11-07T06:51:24Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\"}",
            "content_hash": "ded5c4ff4fa32c062a126b29141682ea9dfa64163d772d4ac3108363f9de28b6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "dcd17795a2cefa0585c3e8daaea23b4a3d26b343f74d7b585439714ad4d5025e",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-07T07:40:02Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3879718/dostawa-licencji-microsoft-exchange-server-subscription-edition-wraz-z-aktualizacja-srodowiska-on-premises\"}",
            "content_hash": "d641e5b57fd9ac603b20aaeccf48dd4193159e494ee777b2560ff634c15c0603",
            "prev_hash": "dcd17795a2cefa0585c3e8daaea23b4a3d26b343f74d7b585439714ad4d5025e",
            "hash": "c2637897a10c541ac26e497694f693ad1d770f99f663b6219e690e6e1d3ee058",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-08T08:45:45Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://umkatowice.ezamawiajacy.pl/pn/umkatowice/demand/notice/public/242563/details\"}",
            "content_hash": "290780680f45e303e86508916236d8d016e0a37e9a5c0d48e346f02eeda2e9be",
            "prev_hash": "c2637897a10c541ac26e497694f693ad1d770f99f663b6219e690e6e1d3ee058",
            "hash": "409604d2ad9421ed5e5f6ad381102b9a0c012f57c099b613e1ed2c51385db32c",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-08T16:45:55Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3879718/dostawa-licencji-microsoft-exchange-server-subscription-edition-wraz-z-aktualizacja-srodowiska-on-premises\"}",
            "content_hash": "d641e5b57fd9ac603b20aaeccf48dd4193159e494ee777b2560ff634c15c0603",
            "prev_hash": "409604d2ad9421ed5e5f6ad381102b9a0c012f57c099b613e1ed2c51385db32c",
            "hash": "7d03ca163a0826573f1f9f00e438c0483f89ab67a43cc6cf1c799d68584307df",
            "actor": null,
            "seal": {
                "id": 16,
                "digest": "72f8a05824ed8e52a6b46652732fcf18b4e959a25ba079607d2201da248317e1",
                "file": "https://tenderiq.pl/rejestr/pieczec-16.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-16.txt.ots",
                "bitcoin_block": 975121
            }
        },
        {
            "version": 5,
            "recorded_at": "2026-11-08T23:38:45Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://umkatowice.ezamawiajacy.pl/pn/umkatowice/demand/notice/public/242563/details\"}",
            "content_hash": "290780680f45e303e86508916236d8d016e0a37e9a5c0d48e346f02eeda2e9be",
            "prev_hash": "7d03ca163a0826573f1f9f00e438c0483f89ab67a43cc6cf1c799d68584307df",
            "hash": "3c2d01d2014fd7224c315debfc5941e681e4363976dacd5398ff8887976f9b0b",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        },
        {
            "version": 6,
            "recorded_at": "2026-11-09T12:46:28Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3879718/dostawa-licencji-microsoft-exchange-server-subscription-edition-wraz-z-aktualizacja-srodowiska-on-premises\"}",
            "content_hash": "d641e5b57fd9ac603b20aaeccf48dd4193159e494ee777b2560ff634c15c0603",
            "prev_hash": "3c2d01d2014fd7224c315debfc5941e681e4363976dacd5398ff8887976f9b0b",
            "hash": "1571a89761c8fc476801228a8f1064dd3e958c7ff2cb005ff98acf82936df45b",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        },
        {
            "version": 7,
            "recorded_at": "2026-11-11T16:45:35Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://umkatowice.ezamawiajacy.pl/pn/umkatowice/demand/notice/public/242563/details\"}",
            "content_hash": "290780680f45e303e86508916236d8d016e0a37e9a5c0d48e346f02eeda2e9be",
            "prev_hash": "1571a89761c8fc476801228a8f1064dd3e958c7ff2cb005ff98acf82936df45b",
            "hash": "246eb121160d3701844a64a2c122ba249a29f07db6ff5abb9cdefa3f18016d73",
            "actor": null,
            "seal": {
                "id": 19,
                "digest": "05e2ffd7c7bb44bfb5e6b062f84e36ca3629f3ad66dde8bbfe1095f29f4e6236",
                "file": "https://tenderiq.pl/rejestr/pieczec-19.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-19.txt.ots",
                "bitcoin_block": 975491
            }
        },
        {
            "version": 8,
            "recorded_at": "2026-11-12T05:45:42Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://www.przetargi.egospodarka.pl/20052681701_Dostawa-licencji-Microsoft-Exchange-Server-Subscription-Edition-wraz-z-aktualizacja-srodowiska-on-premises_2026_2.html\", \"buyer\": \"MIASTO KATOWICE\", \"title\": \"Dostawa licencji Microsoft Exchange Server Subscription Edition wraz z aktualizacją środowiska on-premises\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Katowice\", \"source_id\": \"20052681701\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-06T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3879718/dostawa-licencji-microsoft-exchange-server-subscription-edition-wraz-z-aktualizacja-srodowiska-on-premises\"}",
            "content_hash": "d641e5b57fd9ac603b20aaeccf48dd4193159e494ee777b2560ff634c15c0603",
            "prev_hash": "246eb121160d3701844a64a2c122ba249a29f07db6ff5abb9cdefa3f18016d73",
            "hash": "1bffac333470cda5b6002443cb5821bd08656a0bc9e8a600dae8ebc0d1695c56",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        }
    ]
}