{
    "tender_id": 3937605,
    "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": "2026-10-29T12:55:09Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127680\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA FARBĘ I ROZPUSZCZALNIK DLA HUTY GŁOGÓW 4501875078\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127680\", \"deadline_at\": \"2026-11-02T06:20:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:16:00Z\"}",
            "content_hash": "2d4e90c192f92aad9f17f1042b72278a7688917f7528910719dee1585974e2b2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e5eabc0f4df4987435ba9a939c5475ba637dd58502f7162683595270deacd258",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T13:45:31Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127680\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA FARBĘ I ROZPUSZCZALNIK DLA HUTY GŁOGÓW 4501875078\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127680\", \"deadline_at\": \"2026-11-02T06:20:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:16:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127680\"}",
            "content_hash": "457fe55cb4923c4bd3d4c1c2a1f7ab4c66877795d120ce9073196a752680b493",
            "prev_hash": "e5eabc0f4df4987435ba9a939c5475ba637dd58502f7162683595270deacd258",
            "hash": "0290e12008a10f16b7626cea88d02ccd19e9de009e90e4dfea0065e112b1ca11",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T16:45:25Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127680\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA FARBĘ I ROZPUSZCZALNIK DLA HUTY GŁOGÓW 4501875078\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127680\", \"deadline_at\": \"2026-11-02T06:20:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:16:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860307/zapytanie-na-farbe-i-rozpuszczalnik-dla-huty-g-ogow-4501875078\"}",
            "content_hash": "12ba23900e538eb48076d8df7b0f458753452d6bb16d2fcfe5ee1fddeada919e",
            "prev_hash": "0290e12008a10f16b7626cea88d02ccd19e9de009e90e4dfea0065e112b1ca11",
            "hash": "d882e5fa3b8a301486caf3a99b0fb9a5db3fd85b971a1777bf535aec0b4ca7d9",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}