{
    "tender_id": 4016135,
    "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": "2026-10-29T19:04:05Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400871\", \"buyer\": \"Komenda Wojewódzka Państwowej Straży Pożarnej w Rzeszowie\", \"title\": \"Dostawa ciężkiego samochodu zaopatrzeniowego\", \"region\": \"podkarpackie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400871\", \"deadline_at\": \"2026-11-27T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T17:07:00Z\", \"notice_number\": \"1400871\"}",
            "content_hash": "9a328ebe73d4ff914de5a3875055e8c7dec61cf6c2ee104f9e2f5ad883cc0c8d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a88d1757d5358b4040bc3df1ec320207cec05e29abf326f7d3b1c511b752541f",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:31:04Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400871\", \"buyer\": \"Komenda Wojewódzka Państwowej Straży Pożarnej w Rzeszowie\", \"title\": \"Dostawa ciężkiego samochodu zaopatrzeniowego\", \"region\": \"podkarpackie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400871\", \"deadline_at\": \"2026-11-27T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T17:07:00Z\", \"notice_number\": \"1400871\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400871\"}",
            "content_hash": "f527d0d1b50df708da8db1806515b8e567dc72a39abfe96a6e6c916a77d99075",
            "prev_hash": "a88d1757d5358b4040bc3df1ec320207cec05e29abf326f7d3b1c511b752541f",
            "hash": "5f4c341c31ac4b24c16f3c0cd76791d0dc84f3ebfcefe4ba502f185878498d5a",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}