{
    "tender_id": 5046937,
    "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": "2026-11-03T20:43:33Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397735\", \"buyer\": \"Komenda Wojewódzka Państwowej Straży Pożarnej we Wrocławiu\", \"title\": \"WL.2370.11.2026 Zakup sprzętu informatycznego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397735\", \"deadline_at\": \"2026-11-12T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T20:43:33Z\", \"notice_number\": \"1397735\"}",
            "content_hash": "e6033dcf58b15c97091c38c50b3958b225e93772936c4f8ce91ad79ee25287ff",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a58b5aeca4e7cc6339e648a77b1b7e6312244610c1fca285cb8920f8aa7a6931",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T20:45:27Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1397735\", \"buyer\": \"Komenda Wojewódzka Państwowej Straży Pożarnej we Wrocławiu\", \"title\": \"WL.2370.11.2026 Zakup sprzętu informatycznego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1397735\", \"deadline_at\": \"2026-11-12T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T20:43:33Z\", \"notice_number\": \"1397735\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397735\"}",
            "content_hash": "591c543e107bcbae17725d2aad6c4e36a6589d602cc5d359052adf0bed772460",
            "prev_hash": "a58b5aeca4e7cc6339e648a77b1b7e6312244610c1fca285cb8920f8aa7a6931",
            "hash": "63eb195776b23b7a326a77523a1b6986de526aaedbeab0a85d3f5edecc2f5c34",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T00:06:57Z",
            "content": "{\"cpv\": \"30213300\", \"url\": \"https://platformazakupowa.pl/transakcja/1397735\", \"buyer\": \"Komenda Wojewódzka Państwowej Straży Pożarnej we Wrocławiu\", \"title\": \"WL.2370.11.2026 Zakup sprzętu informatycznego\", \"region\": \"dolnoslaskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"30231300\", \"48000000\", \"30234500\"], \"location\": \"Polska\", \"source_id\": \"1397735\", \"deadline_at\": \"2026-11-12T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T11:10:00Z\", \"notice_number\": \"1397735\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397735\"}",
            "content_hash": "68eb323e9215e9f706d96f47d4fce26dd00028e9f3b6f6efc5330a8eda9faf13",
            "prev_hash": "63eb195776b23b7a326a77523a1b6986de526aaedbeab0a85d3f5edecc2f5c34",
            "hash": "f3f0b777b2bb72ae0201e1da547eda4571ea4a45191bd0e11ec7b59b0d06f60c",
            "actor": null,
            "seal": null
        }
    ]
}