{
    "tender_id": 5002179,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-11-03T14:33:26Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1403218\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup lusterka inspekcyjnego teleskopowego z podświetleniem LED\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403218\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T13:01:00Z\", \"notice_number\": \"1403218\"}",
            "content_hash": "eefc99b992639b1c8802ce0ecdc789f57f51c334a053537ce1ebb4180da3f9a0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1793f135c65049d9ee97b18248b03aebe07f2466d6cafc5dbf6771eaa9c6563d",
            "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": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T14:45:46Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1403218\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup lusterka inspekcyjnego teleskopowego z podświetleniem LED\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403218\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T13:01:00Z\", \"notice_number\": \"1403218\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1403218\"}",
            "content_hash": "9a34cd82215c0a09c2562368b4aba972067e6b8372a46a7d6662c791ffc33f8c",
            "prev_hash": "1793f135c65049d9ee97b18248b03aebe07f2466d6cafc5dbf6771eaa9c6563d",
            "hash": "c72b8ff51b872771ebdcb1640a5101c09cdd493025d93793384809fbb54f63c6",
            "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": null
            }
        }
    ]
}