{
    "tender_id": 5723345,
    "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": "2026-11-07T01:56:43Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3881428/zawor-829-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"zawór/829/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3881428\", \"deadline_at\": \"2026-11-12T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-07T01:56:43Z\"}",
            "content_hash": "e48ed50a261c19e174f3ef8f1f68cb69c3ab1e04a90cb90008fa3911c66aab16",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bfcc507413b4ab3ca474cf32f7f1df7c118d25f28fb0650f7329354fc7d936af",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-07T02:45:46Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3881428/zawor-829-26\", \"buyer\": \"HUTA CZĘSTOCHOWA SP. Z O.O.\", \"title\": \"zawór/829/26\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3881428\", \"deadline_at\": \"2026-11-12T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-07T01:56:43Z\", \"procedure_url\": \"https://weglokoks.logintrade.net/portal,szczegolyZapytaniaOfertowe,544a92a8a46d941f4c1712534326e7c3.html\"}",
            "content_hash": "c3e6935edd3801554bac55669e0b58e05b95a3113855d0371248c1e0a8dbc11b",
            "prev_hash": "bfcc507413b4ab3ca474cf32f7f1df7c118d25f28fb0650f7329354fc7d936af",
            "hash": "914eccdb7255363360babdeeba12a1e57c249d5fc246b3fef89896d3592fc82f",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        }
    ]
}