{
    "tender_id": 4016263,
    "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": "2026-10-29T19:14:06Z",
            "content": "{\"cpv\": \"09211000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400460\", \"buyer\": \"23 Baza Lotnictwa Taktycznego\", \"title\": \"16/MPS/2026 Dostawa oleju silnikowego VDS-5 oraz płynu chłodniczego\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400460\", \"deadline_at\": \"2026-11-03T10:27:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T10:28:00Z\", \"notice_number\": \"1400460\"}",
            "content_hash": "22bfaf513ab9eaac8269c1dede5126eaf0264aad7b3e35d6253af4f300d3b3c7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6d8845dd410fbf76c9dbdacda66f824ef3f195e671b6e4d84e42626fe8fea03b",
            "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": "2026-10-29T19:46:03Z",
            "content": "{\"cpv\": \"09211000\", \"url\": \"https://platformazakupowa.pl/transakcja/1400460\", \"buyer\": \"23 Baza Lotnictwa Taktycznego\", \"title\": \"16/MPS/2026 Dostawa oleju silnikowego VDS-5 oraz płynu chłodniczego\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400460\", \"deadline_at\": \"2026-11-03T10:27:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T10:28:00Z\", \"notice_number\": \"1400460\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400460\"}",
            "content_hash": "d4712b2174d3347a2c0e52056928f0f852acfd6808ff9faa17b28e114ff38a64",
            "prev_hash": "6d8845dd410fbf76c9dbdacda66f824ef3f195e671b6e4d84e42626fe8fea03b",
            "hash": "77337036af58c442cc211241a739be459258579e6d783ebaefc9f63b8cb5111d",
            "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
            }
        }
    ]
}