{
    "tender_id": 7085457,
    "check": {
        "ok": true,
        "versions": 1,
        "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": [
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            "version": 1,
            "recorded_at": "2026-11-13T14:17:58Z",
            "content": "{\"cpv\": \"31680000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=130305\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ŚWIETLÓWEK\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"130305\", \"deadline_at\": \"2026-11-17T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-13T13:43:00Z\"}",
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                "digest": "9f5cc628e20cec4e7a4adf4979e6b8d5416f11dcd193f37905493253afb6d07f",
                "file": "https://tenderiq.pl/rejestr/pieczec-21.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-21.txt.ots",
                "bitcoin_block": null
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}