{
    "tender_id": 5223773,
    "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": "2026-11-04T16:38:45Z",
            "content": "{\"cpv\": \"42511110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872566/wymiennik-ciep-a-jad-5-36-ee\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"WYMIENNIK CIEPŁA JAD 5/36 EE\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3872566\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:38:45Z\"}",
            "content_hash": "a59c098932888566a99b78a881270bf5db73e25296ae6aec1bad62d4a8d3c88b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e236632e2ed9ba087ffe12f7f74eed318600ba1402d3630532ed7eb40440ab71",
            "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": "2026-11-04T16:45:44Z",
            "content": "{\"cpv\": \"42511110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872566/wymiennik-ciep-a-jad-5-36-ee\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"WYMIENNIK CIEPŁA JAD 5/36 EE\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3872566\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:38:45Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128821\"}",
            "content_hash": "b44bb8a1a86fbe6e1016c9de9d1cee2b625ab59aaacae22c583a646035523083",
            "prev_hash": "e236632e2ed9ba087ffe12f7f74eed318600ba1402d3630532ed7eb40440ab71",
            "hash": "8dbe57745877b9ebbb023e5feadc659385f6491fad74f773402d2c4e903c2b36",
            "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
            }
        }
    ]
}