{
    "tender_id": 5652392,
    "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": "2026-11-06T16:06:52Z",
            "content": "{\"cpv\": \"44165100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129410\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA KOSZY SSAWNYCH\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129410\", \"deadline_at\": \"2026-11-12T13:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T13:34:00Z\"}",
            "content_hash": "165e8a16bfb16da94d0e0aa6390a23382768e1a53efe33269f738fcf1f9e9923",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3d67c80b67bb8c12d4d69c1901aeb6ee205a2b09ec7e09e55cb933b688fe4302",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-06T18:45:39Z",
            "content": "{\"cpv\": \"44165100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129410\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA KOSZY SSAWNYCH\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129410\", \"deadline_at\": \"2026-11-12T13:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T13:34:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129410\"}",
            "content_hash": "38cd5b67ce9242b631228f88df0543cfe8b4df632ce83fcc0dfdd358068d30a2",
            "prev_hash": "3d67c80b67bb8c12d4d69c1901aeb6ee205a2b09ec7e09e55cb933b688fe4302",
            "hash": "1584112cf9f0c3d66107f5d2904cc7e7ea269f434316855d5f1c094b26a01f1a",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        }
    ]
}