{
    "tender_id": 5652455,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-06T16:06:53Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129334\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129334\", \"deadline_at\": \"2026-11-11T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T10:59:00Z\"}",
            "content_hash": "66753037c9f8eecc444ae0c8a63d83f81f63eb803e1f96d18472e0f26fb332fe",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ea411213f34b5895f6d39ae9f475438e8ff9bd8f02878df456b8ad95bb2e6fde",
            "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": "2026-11-08T11:39:52Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129334\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129334\", \"deadline_at\": \"2026-11-11T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T10:59:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129334\"}",
            "content_hash": "cc39fd55bd41682b93bade90a858913bf33f8d1d5bdb51af6686adc4dee409b7",
            "prev_hash": "ea411213f34b5895f6d39ae9f475438e8ff9bd8f02878df456b8ad95bb2e6fde",
            "hash": "3ebe8e1c5b65404e70985c0ce3611b6bdf190df603314cdc67295c68e06d48c1",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-08T16:45:32Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129334\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: CZĘŚCI DO WAGONU\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129334\", \"deadline_at\": \"2026-11-11T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T10:59:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3875977/dostawa-czesci-do-wagonu\"}",
            "content_hash": "7225ca286b391b2b67a5eb79840e0d1019141efa830a66caf31e1cd2e0b78f12",
            "prev_hash": "3ebe8e1c5b65404e70985c0ce3611b6bdf190df603314cdc67295c68e06d48c1",
            "hash": "83ef620ce523f6b37717c05944f82ccf8a450da9edd0dfee24ba7acd3e6b5a5a",
            "actor": null,
            "seal": null
        }
    ]
}