{
    "tender_id": 6419709,
    "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\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129781\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA PRODUKTY SOLVER\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129781\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:10:00Z\"}",
            "content_hash": "2906a195e8e0d251f8149e421f2b7852032fa1bea7b5a27d257b38e6b47a29c4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7910d4b99aec7a9fe8cdf7e7c1dcc2e9078a2a7cf7ca39aab8eff9ce1a35ef37",
            "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\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129781\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA PRODUKTY SOLVER\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129781\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:10:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129781\"}",
            "content_hash": "6b7cf5a2a7cc57531b3e3b809dea512c77fa5553a521c8ba7f9e5502f1e34ead",
            "prev_hash": "7910d4b99aec7a9fe8cdf7e7c1dcc2e9078a2a7cf7ca39aab8eff9ce1a35ef37",
            "hash": "b48d57e9143da2d8f9f13bc94942e893deb791c0564c08603b73fb574c694120",
            "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\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129781\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA PRODUKTY SOLVER\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129781\", \"deadline_at\": \"2026-11-13T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T12:10:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3887980/zapytanie-na-produkty-solver\"}",
            "content_hash": "ba04f6a9cc97a2c1d57bc7bdbbd2975e6322a2f8f2017a67a253fb1f091faeeb",
            "prev_hash": "b48d57e9143da2d8f9f13bc94942e893deb791c0564c08603b73fb574c694120",
            "hash": "c9c4e5026fc8eca2d1c23729bcbdc09ffcad5b3b87408ccf5028c8d587a52913",
            "actor": null,
            "seal": null
        }
    ]
}