{
    "tender_id": 3797687,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-28T14:01:21Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127481\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA: URZĄDZENIE JORYC J ERGO1 POMPOWANIA KÓŁ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127481\", \"deadline_at\": \"2026-10-30T08:40:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T09:50:00Z\"}",
            "content_hash": "2d0d554235cf36074d03fbac84658429076f1ab3f757aec619b78919fa89de81",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9fcd53972d32574e8946cbe837ce772442ccadb85afc7437b922b5340d8aed8d",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T14:45:21Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127481\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA: URZĄDZENIE JORYC J ERGO1 POMPOWANIA KÓŁ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127481\", \"deadline_at\": \"2026-10-30T08:40:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T09:50:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857913/zapytanie-na-urzadzenie-joryc-j-ergo1-pompowania-ko-\"}",
            "content_hash": "f3c892a29bf8e15e029e2ff38f25e1d4333ed11ecf2e6d02733e35d564a969b1",
            "prev_hash": "9fcd53972d32574e8946cbe837ce772442ccadb85afc7437b922b5340d8aed8d",
            "hash": "e5cc05dc3283d209c2a3247799c0ccc8f2fe1f18428a046adc1ce8178511f22c",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T22:45:50Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127481\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA: URZĄDZENIE JORYC J ERGO1 POMPOWANIA KÓŁ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127481\", \"deadline_at\": \"2026-10-30T08:40:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T09:50:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127481\"}",
            "content_hash": "85f4cb4c34cddcf34d373a3f430e9d76bb95d03ddd2c980428cbda47b5670cd5",
            "prev_hash": "e5cc05dc3283d209c2a3247799c0ccc8f2fe1f18428a046adc1ce8178511f22c",
            "hash": "6f09b9579c7a3f174051a63948528db7298a8cdbf345204d5d0cf2c6d7f20f13",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T05:46:00Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127481\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA: URZĄDZENIE JORYC J ERGO1 POMPOWANIA KÓŁ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127481\", \"deadline_at\": \"2026-10-30T08:40:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T09:50:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857913/zapytanie-na-urzadzenie-joryc-j-ergo1-pompowania-ko-\"}",
            "content_hash": "f3c892a29bf8e15e029e2ff38f25e1d4333ed11ecf2e6d02733e35d564a969b1",
            "prev_hash": "6f09b9579c7a3f174051a63948528db7298a8cdbf345204d5d0cf2c6d7f20f13",
            "hash": "2a26ef91613908f04bc6bea197851e0c4efea6bde832097db8edd926c4d9f76b",
            "actor": null,
            "seal": null
        }
    ]
}