{
    "tender_id": 5041596,
    "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": "2026-11-03T20:17:22Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1403209\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup latarki czołowej\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403209\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T12:55:00Z\", \"notice_number\": \"1403209\"}",
            "content_hash": "f6388fe361f13f69312f33a5ad9c00bef68b0d7bd125c6499336993a030c137d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d5396dd801915d7d499aba358ecf5c4da7de36505f77c0967c6c29d2450d6eb8",
            "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": "2026-11-03T20:45:28Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1403209\", \"buyer\": \"Komenda Wojewódzka Policji w Łodzi\", \"title\": \"Zakup latarki czołowej\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403209\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T12:55:00Z\", \"notice_number\": \"1403209\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1403209\"}",
            "content_hash": "730a16a775406df1d8a4a3f4c3e275c77c1006f3923bd97a60e2db5602cfa793",
            "prev_hash": "d5396dd801915d7d499aba358ecf5c4da7de36505f77c0967c6c29d2450d6eb8",
            "hash": "f04be4caffc277df3c44c7eaf552574a2a899d75c04d007267de68a705fb0194",
            "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
            }
        }
    ]
}