{
    "tender_id": 4145410,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-10-30T14:46:08Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127918\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T11:00:00Z\"}",
            "content_hash": "e6e2c0779a95e9c225f3ef810dea9f4bb1aa23306d874dd8ec389fa8534d00b3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f548578d98361879a27e364830419274ac7d9fccd9ccae5e3723bcb8a58e526e",
            "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": "2026-10-30T15:31:07Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127918\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T11:00:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\"}",
            "content_hash": "eddc024891cf3415b1413c984a8e174d677df6d4ef5b9139bd8ef5e7226c32bd",
            "prev_hash": "f548578d98361879a27e364830419274ac7d9fccd9ccae5e3723bcb8a58e526e",
            "hash": "e656a96dc0c3714d1cce0631f7f67ccec3f06c8f16ec83380fbe7a5b4c83bddd",
            "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": 3,
            "recorded_at": "2026-10-30T20:45:19Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127918\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T11:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863696/zapytanie-na-zawory\"}",
            "content_hash": "43cb6b568d8a106fdca5d6a1338b7053f61d0dc6d816c2370b3a078b2f7be8ff",
            "prev_hash": "e656a96dc0c3714d1cce0631f7f67ccec3f06c8f16ec83380fbe7a5b4c83bddd",
            "hash": "4eb3c0b13835d782c156d23b08d29aaa0d11b7324498a56f2485cec25d71d78f",
            "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": 4,
            "recorded_at": "2026-10-31T04:45:34Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127918\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T11:00:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\"}",
            "content_hash": "eddc024891cf3415b1413c984a8e174d677df6d4ef5b9139bd8ef5e7226c32bd",
            "prev_hash": "4eb3c0b13835d782c156d23b08d29aaa0d11b7324498a56f2485cec25d71d78f",
            "hash": "11332ef36ef2972527e56c241fa64ee8c15ad1b0a286f2b9d9221c3fdd96b007",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:46:11Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127918\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA ZAWORY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127918\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T11:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863696/zapytanie-na-zawory\"}",
            "content_hash": "43cb6b568d8a106fdca5d6a1338b7053f61d0dc6d816c2370b3a078b2f7be8ff",
            "prev_hash": "11332ef36ef2972527e56c241fa64ee8c15ad1b0a286f2b9d9221c3fdd96b007",
            "hash": "30c14482e30f17401e1ff81020ac97aca8d0c0f84bd22e3fcb6954b68cb22ff3",
            "actor": null,
            "seal": null
        }
    ]
}