{
    "tender_id": 4099743,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-30T06:31:17Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127837\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA HERBATĘ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127837\", \"deadline_at\": \"2026-11-02T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T06:15:00Z\"}",
            "content_hash": "89ec3285389382b32bb3ef5be73db79dadbe3c25a4aa18852e83babf0175f27d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4d7fc258d6c9643b3eabdb0f80963f95b6dca53a7fd50724369804384ef7a010",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T07:45:29Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127837\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA HERBATĘ\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127837\", \"deadline_at\": \"2026-11-02T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T06:15:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127837\"}",
            "content_hash": "595d948b597b14ebbb52b737dca48ae893e527f6356c6ca7b58b043d0bce5469",
            "prev_hash": "4d7fc258d6c9643b3eabdb0f80963f95b6dca53a7fd50724369804384ef7a010",
            "hash": "85cdbcbeaa738ef92c91a9621a2751c18f93062c682c12f6ebc96ffbdecfa42d",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}