{
    "tender_id": 4145268,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA OLEJ I KONCENTRAT\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128092\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:48:00Z\"}",
            "content_hash": "9e8c27b306820df7836a068760cf772668ebd9880fb65b10b41676bf1e630269",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "23209cb6f12a6c26e271c0840fd23446f61814d81daf937aa440f1036b1b7c9d",
            "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": "2026-10-30T15:31:08Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA OLEJ I KONCENTRAT\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128092\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:48:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\"}",
            "content_hash": "e88d345905f4a71f2f81a1c0e970592d08054d0b9d2dae4980ed16148a5513fb",
            "prev_hash": "23209cb6f12a6c26e271c0840fd23446f61814d81daf937aa440f1036b1b7c9d",
            "hash": "4b5827005d3933d3d7d56f6e60c89b1bbd2c9927d09e2b3d9a22d247c1e5641d",
            "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": "2026-10-30T20:45:18Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA OLEJ I KONCENTRAT\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128092\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:48:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863959/zapytanie-na-olej-i-koncentrat\"}",
            "content_hash": "cf0095e8e90e8ed3b40253a64b238319f7bbef060c5bafa3d6d1c35c2de9f73c",
            "prev_hash": "4b5827005d3933d3d7d56f6e60c89b1bbd2c9927d09e2b3d9a22d247c1e5641d",
            "hash": "c21959c9da9f3986e0572b805b1233d4089054c371270b21fc3f94cb9f216bd2",
            "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": "2026-10-31T04:45:51Z",
            "content": "{\"cpv\": \"48210000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE NA OLEJ I KONCENTRAT\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128092\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:48:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128092\"}",
            "content_hash": "e88d345905f4a71f2f81a1c0e970592d08054d0b9d2dae4980ed16148a5513fb",
            "prev_hash": "c21959c9da9f3986e0572b805b1233d4089054c371270b21fc3f94cb9f216bd2",
            "hash": "1b734c15808c7cc1a6cb136db2372bae0f49431e2c471df0035d57c0d4a90301",
            "actor": null,
            "seal": null
        }
    ]
}