{
    "tender_id": 3741072,
    "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": "2026-10-28T08:11:02Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127423\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: ŁĄCZNIK ELM-101-360-056-001 PRZEG Ł, WYMIENNIK CIEPŁA 3719000841 DIAMEC U-4\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127423\", \"deadline_at\": \"2026-10-29T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T06:13:00Z\"}",
            "content_hash": "c288a7cd14f7b06f70095f5161934b30f37243c53b88f8dabf3013c2b7ac0efa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "573cac66b0d8f97244261bfa3add43a0d0af750b0ce2b9bf9c3d0ae50eea5376",
            "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": "2026-10-28T11:45:29Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127423\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: ŁĄCZNIK ELM-101-360-056-001 PRZEG Ł, WYMIENNIK CIEPŁA 3719000841 DIAMEC U-4\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127423\", \"deadline_at\": \"2026-10-29T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T06:13:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127423\"}",
            "content_hash": "f323359549143c367968fb37938d2015497c8ddd11835240b83b38efa5a91b32",
            "prev_hash": "573cac66b0d8f97244261bfa3add43a0d0af750b0ce2b9bf9c3d0ae50eea5376",
            "hash": "24ddad7c972176f5b50961b6eeacf3bc6b0ba8b345be3bf6d9b9868c9e035adf",
            "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": "2026-10-28T17:48:21Z",
            "content": "{\"cpv\": \"42511110\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127423\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: ŁĄCZNIK ELM-101-360-056-001 PRZEG Ł, WYMIENNIK CIEPŁA 3719000841 DIAMEC U-4\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127423\", \"deadline_at\": \"2026-10-29T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T06:13:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127423\"}",
            "content_hash": "76d8f7042acbbde79f5a862023e29bbe187da74793ce3c028e73ed2b8e11fd58",
            "prev_hash": "24ddad7c972176f5b50961b6eeacf3bc6b0ba8b345be3bf6d9b9868c9e035adf",
            "hash": "94c41515f2a52a4e42015572cf03c3d9dd5869479a359496e265e1799ad6113c",
            "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
            }
        }
    ]
}