{
    "tender_id": 4755360,
    "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": "2026-11-02T09:58:05Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128193\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Zapytanie ofertowe na kraty WEMA 700x200x40x3 ocynk\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128193\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:32:00Z\"}",
            "content_hash": "1e572bd8f7b2597d7e0983b81ca76f14b4a60ab0dfd0c948c5ceff73174c0d8d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6cbddb6d99159e4cce5fdcf4506690b918cadf03243ae667a6d2516335e99258",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:00Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128193\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Zapytanie ofertowe na kraty WEMA 700x200x40x3 ocynk\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128193\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:32:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128193\"}",
            "content_hash": "845d2dea1e9eef6f9aaee273cf20d93ec04593830ad7f3b0ad1fc58ce6d3bf5e",
            "prev_hash": "6cbddb6d99159e4cce5fdcf4506690b918cadf03243ae667a6d2516335e99258",
            "hash": "1448d70e6348168cfe7a1209e88fd8e2b1e4db2cb50dd3e9c8216349ccbfe235",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}