{
    "tender_id": 4772547,
    "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": "2026-11-02T12:58:41Z",
            "content": "{\"cpv\": \"37412240\", \"url\": \"https://platformazakupowa.pl/transakcja/1402224\", \"buyer\": \"Jednostka Wojskowa 4101\", \"title\": \"Dostawa skafandrów nurkowych mokrych\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402224\", \"deadline_at\": \"2026-11-06T11:23:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T11:23:00Z\", \"notice_number\": \"1402224\"}",
            "content_hash": "d5aa7a557c90df0efdb64abfa2482d24b5afbe4c45e147d486298aacb4a35745",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ceee8f2c831ca6fe4ce675f4c2dd00407a058ad07dc6e7641d4581708a3f5765",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:01Z",
            "content": "{\"cpv\": \"37412240\", \"url\": \"https://platformazakupowa.pl/transakcja/1402224\", \"buyer\": \"Jednostka Wojskowa 4101\", \"title\": \"Dostawa skafandrów nurkowych mokrych\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402224\", \"deadline_at\": \"2026-11-06T11:23:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T11:23:00Z\", \"notice_number\": \"1402224\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402224\"}",
            "content_hash": "e65ca4c375b02c33e80226d88166e49b81145b5aadc775680e46e9c990a9a6ec",
            "prev_hash": "ceee8f2c831ca6fe4ce675f4c2dd00407a058ad07dc6e7641d4581708a3f5765",
            "hash": "ec7f705fc078afe0453418b5204298183c3ce95bb411f72e98ca2459fc05d38f",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}