{
    "tender_id": 6419665,
    "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": "2026-11-10T18:58:55Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129829\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA PRODUKTÓW MTA\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129829\", \"deadline_at\": \"2026-11-13T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:21:00Z\"}",
            "content_hash": "183d3b5ee03c2a8e87edf43fe4c392e0ecb99bb1a82ec62d5bed68a7e633bb41",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0390bcdc3c98c2a696b49bca9f9b97dc4e3ed370584cedd89bd6125a57cb9a32",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T19:41:04Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129829\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA PRODUKTÓW MTA\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129829\", \"deadline_at\": \"2026-11-13T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:21:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129829\"}",
            "content_hash": "3146c32c85b82ebe0bf8cf34db1f2f72cae67b927ace4867846ca9c695075741",
            "prev_hash": "0390bcdc3c98c2a696b49bca9f9b97dc4e3ed370584cedd89bd6125a57cb9a32",
            "hash": "8f29ba6cf81acd76f70038e4d9d9ca081005da56ce862b188bda89969bddd0d4",
            "actor": null,
            "seal": {
                "id": 18,
                "digest": "adeec00ed6b673509a2a075e675623159dccab6a142d1ac62c122cfe1d16794c",
                "file": "https://tenderiq.pl/rejestr/pieczec-18.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-18.txt.ots",
                "bitcoin_block": 975359
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-10T22:45:21Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129829\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA PRODUKTÓW MTA\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129829\", \"deadline_at\": \"2026-11-13T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:21:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3888058/dostawa-produktow-mta\"}",
            "content_hash": "d29d4ef8e7b04a46bfdd76efee4fb1c67cc13ba141c9ed229fae644b48448ac0",
            "prev_hash": "8f29ba6cf81acd76f70038e4d9d9ca081005da56ce862b188bda89969bddd0d4",
            "hash": "827437fd421682e94514224ff35af8937f3e6262a7497335798fbe7c9fb37761",
            "actor": null,
            "seal": null
        }
    ]
}