{
    "tender_id": 5173485,
    "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": "2026-11-04T09:56:49Z",
            "content": "{\"cpv\": \"44000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3870859/zap-mtepr-2026-018094-materialy-budowlane-welna-mineralna-z1580-5-1-aktualizacja1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEPR/2026/018094 - Materiały budowlane / wełna mineralna - Z1580/5/1/aktualizacja1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3870859\", \"deadline_at\": \"2026-11-05T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:56:49Z\"}",
            "content_hash": "4f8b91b0623e5791b8bbf6bee4855b838450660740acf69ecef87c333e5f1340",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6713a009a3d1a581118464c473785b0ac2eb9002743ca9bc6c5856c6f87e6cf1",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T10:46:27Z",
            "content": "{\"cpv\": \"44000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3870859/zap-mtepr-2026-018094-materialy-budowlane-welna-mineralna-z1580-5-1-aktualizacja1\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTEPR/2026/018094 - Materiały budowlane / wełna mineralna - Z1580/5/1/aktualizacja1\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3870859\", \"deadline_at\": \"2026-11-05T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:56:49Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,698980c614317c6082d4509acbed84ef.html\"}",
            "content_hash": "1f61aed5f95e88dd0c9c7b42c38df4732d9084d6cc641a0d0fabc3a5d3b1b2cb",
            "prev_hash": "6713a009a3d1a581118464c473785b0ac2eb9002743ca9bc6c5856c6f87e6cf1",
            "hash": "c7f8b3123fa8bd05561c2cb588632cd84fdc2080a058e0c12d62a25d840148d2",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}