{
    "tender_id": 4322215,
    "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": "2026-10-31T10:16:07Z",
            "content": "{\"cpv\": \"31521320\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865475/dostawa-latarek-i-urzadzen-oswietleniowych\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Dostawa latarek i urządzeń oświetleniowych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865475\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:07Z\"}",
            "content_hash": "6546816a32a0ffad27db79dc800e19758604ffbb5b0a98ccd45d10085ef283bd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b62ecfabae83e2c83b71fb2d45e14fb73af893f2cb6da0264a01b969ff9e51e9",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T10:45:37Z",
            "content": "{\"cpv\": \"31521320\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865475/dostawa-latarek-i-urzadzen-oswietleniowych\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Dostawa latarek i urządzeń oświetleniowych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865475\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:07Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536336/dostawa-latarek-i-urzadzen-oswietleniowych-1\"}",
            "content_hash": "834f60a10f574b26b38071c2d71eb9ba7950ed3359b8d1c0658678e9ae6332f2",
            "prev_hash": "b62ecfabae83e2c83b71fb2d45e14fb73af893f2cb6da0264a01b969ff9e51e9",
            "hash": "bc1eec5948fd8f5b85ecf3682a2428b3f88cfa82a7755e7f6e606c412e022322",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}