{
    "tender_id": 5413972,
    "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": "2026-11-05T12:34:58Z",
            "content": "{\"cpv\": \"31680000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129130\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ŚWIETLÓWEK (10199868)\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129130\", \"deadline_at\": \"2026-11-06T12:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:10:00Z\"}",
            "content_hash": "3f127f58ca605028a7f1a13ec6ccd90c135e4bbe7e5ac2b977aef0a51622eae3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "598e88ef110b3b75527487da0f159ce520004d96a9a968c4c1dd89b1c5c9cfe3",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T12:45:50Z",
            "content": "{\"cpv\": \"31680000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129130\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ŚWIETLÓWEK (10199868)\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129130\", \"deadline_at\": \"2026-11-06T12:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:10:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129130\"}",
            "content_hash": "05065ac621bc73c631b0302011aece8ee706628532dce64724839a58f2dd1e87",
            "prev_hash": "598e88ef110b3b75527487da0f159ce520004d96a9a968c4c1dd89b1c5c9cfe3",
            "hash": "be909170d8b97d255064a9a33fb4d1f9c288722891ac4e0b1469b2697df1757b",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-05T18:45:45Z",
            "content": "{\"cpv\": \"31680000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129130\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ŚWIETLÓWEK (10199868)\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129130\", \"deadline_at\": \"2026-11-06T12:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:10:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876411/dostawa-swietlowek-10199868-\"}",
            "content_hash": "ba3319e5f2ba306833397a623e39b4ec3018ad025eee6ab737ff18ea331dd9d9",
            "prev_hash": "be909170d8b97d255064a9a33fb4d1f9c288722891ac4e0b1469b2697df1757b",
            "hash": "95a3cf8f7a11eb1498daac1bb8ac2bbecbe13e2ae7862cf92e88d420c887635c",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}