{
    "tender_id": 5020229,
    "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": "2026-11-03T17:22:20Z",
            "content": "{\"cpv\": \"38300000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSCYLOSKOPÓW TA03104A ORAZ CZUJNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128579\", \"deadline_at\": \"2026-11-05T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:32:00Z\"}",
            "content_hash": "6f8281bf3bc0d50c407fcbf2c122561fd94fac2838d996445e76102ea9f9e214",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d5af966030258d1c2bbf50b5214eed59cd5fe87622530027cefb182f16d36f45",
            "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": "2026-11-03T17:45:20Z",
            "content": "{\"cpv\": \"38300000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSCYLOSKOPÓW TA03104A ORAZ CZUJNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128579\", \"deadline_at\": \"2026-11-05T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:32:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\"}",
            "content_hash": "0a07241d8c8e3ff4e2e0fe5a65d175830f70c3a21b4ad9c96c6b78948ea5ad98",
            "prev_hash": "d5af966030258d1c2bbf50b5214eed59cd5fe87622530027cefb182f16d36f45",
            "hash": "c91a0b318a5de4737c1795d356529cd73b605e2c69635d5e467de98f68a737e5",
            "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": "2026-11-03T18:45:23Z",
            "content": "{\"cpv\": \"38300000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSCYLOSKOPÓW TA03104A ORAZ CZUJNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128579\", \"deadline_at\": \"2026-11-05T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:32:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869931/dostawa-oscyloskopow-ta03104a-oraz-czujnikow\"}",
            "content_hash": "9f55475af70cd839f45b482b622368a81ea15e201c98e3efe003081fb322e324",
            "prev_hash": "c91a0b318a5de4737c1795d356529cd73b605e2c69635d5e467de98f68a737e5",
            "hash": "766d350f5127ec4436fbe9c2eef3de29e817402c7007b497ecb887f9ca435e15",
            "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": "2026-11-03T21:45:47Z",
            "content": "{\"cpv\": \"38300000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSCYLOSKOPÓW TA03104A ORAZ CZUJNIKÓW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128579\", \"deadline_at\": \"2026-11-05T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T13:32:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128579\"}",
            "content_hash": "0a07241d8c8e3ff4e2e0fe5a65d175830f70c3a21b4ad9c96c6b78948ea5ad98",
            "prev_hash": "766d350f5127ec4436fbe9c2eef3de29e817402c7007b497ecb887f9ca435e15",
            "hash": "4389e21973e9702d174f46ccc09c6a2248b3fa55eaeefd87b81ba4a2687902e6",
            "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
            }
        }
    ]
}