{
    "tender_id": 6907501,
    "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": "2026-11-12T17:19:28Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3891818/zakup-materialow-biurowych-\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup materiałów biurowych.\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3891818\", \"deadline_at\": \"2026-11-18T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T17:19:29Z\"}",
            "content_hash": "d7e00a79dec3a0bf4954428ed3a5a471fd15ec54b45ae90d45e4c18d04ac97f4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "569c1453cc71935f6cbcd6223269be6439db48b1884c23103805cde570cc12f2",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-12T17:45:40Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3891818/zakup-materialow-biurowych-\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup materiałów biurowych.\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3891818\", \"deadline_at\": \"2026-11-18T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T17:19:29Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1405794\"}",
            "content_hash": "5d9551d8dd35c7b318e8e402eb9fdf3fa4777784f718f183cc9e323ae4823473",
            "prev_hash": "569c1453cc71935f6cbcd6223269be6439db48b1884c23103805cde570cc12f2",
            "hash": "0e1ddf7f9853b24efe7919ba2d3d7aa2a10ce11c3d4c556fb2a0b13b19485fba",
            "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
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-12T23:39:59Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3891818/zakup-materialow-biurowych-\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup materiałów biurowych.\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3891818\", \"deadline_at\": \"2026-11-18T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T17:19:29Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1408572\"}",
            "content_hash": "3eef43e610804acaee0ac370c74e5b33389c863a15bc15584de8c285a4fb7742",
            "prev_hash": "0e1ddf7f9853b24efe7919ba2d3d7aa2a10ce11c3d4c556fb2a0b13b19485fba",
            "hash": "a5f633dc762acb2ba8289f819fb6e9697d52afaaf15c9093996560376096ece9",
            "actor": null,
            "seal": null
        }
    ]
}