{
    "tender_id": 4965298,
    "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": "2026-11-03T09:01:19Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY DN80 PN10 ZPL80-10.00.00/1 PRZEPON ORAZ 4623.2912 3/4\\\"-1\\\" LESER BEZP\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128456\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:46:00Z\"}",
            "content_hash": "bc273afa5d921cffd8c3e98fdd72d5c93d1a446725d38b971873f0a3cb676445",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0c824eb7cfe8e527820b6fca05e4ed993e33d90281190f8bd1e081036c1c9637",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T09:45:25Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY DN80 PN10 ZPL80-10.00.00/1 PRZEPON ORAZ 4623.2912 3/4\\\"-1\\\" LESER BEZP\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128456\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:46:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\"}",
            "content_hash": "bd5c2e45ad54c22b11ef7c703562db7f512221403a2b3560fe2fb1248feabe12",
            "prev_hash": "0c824eb7cfe8e527820b6fca05e4ed993e33d90281190f8bd1e081036c1c9637",
            "hash": "3c1f3a22a78576fb5d6896d1735d68d36ccbab0ebbae0743d8473119de7c18d6",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T13:45:33Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY DN80 PN10 ZPL80-10.00.00/1 PRZEPON ORAZ 4623.2912 3/4\\\"-1\\\" LESER BEZP\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128456\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:46:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3868672/zapytanie-na-zawory-dn80-pn10-zpl80-10-00-00-1-przepon-oraz-4623-2912-3-4-1-leser-bezp\"}",
            "content_hash": "b4fea76f3025566bf938cbe86f8c15119c06c4e1697a2bc678f0153a158b2828",
            "prev_hash": "3c1f3a22a78576fb5d6896d1735d68d36ccbab0ebbae0743d8473119de7c18d6",
            "hash": "8aa062180fb2706bafca4dd8aa30e89566fac067964df18ba17fe0a155c7612d",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-03T21:45:53Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY DN80 PN10 ZPL80-10.00.00/1 PRZEPON ORAZ 4623.2912 3/4\\\"-1\\\" LESER BEZP\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128456\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T07:46:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128456\"}",
            "content_hash": "bd5c2e45ad54c22b11ef7c703562db7f512221403a2b3560fe2fb1248feabe12",
            "prev_hash": "8aa062180fb2706bafca4dd8aa30e89566fac067964df18ba17fe0a155c7612d",
            "hash": "a666ad98c5fcdd7db876b79f4bda49958165b2b43561932a3c5ee2fe325ded9e",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}