{
    "tender_id": 4073130,
    "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": "2026-10-30T03:36:43Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/755906-2026\", \"buyer\": \"Krapkowickie Centrum Zdrowia Sp. z o.o.\", \"title\": \"Polska – Odczynniki laboratoryjne – Dzierżawa analizatorów do oznaczeń hematologicznych wraz z dostawą odczynników, materiałów zużywalnych i kontrolnych, kalibratorów oraz mikroskopu dla Krapkowickiego Centrum Zdrowia sp. z o.o.\", \"region\": \"opolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL524, PL524, POL, POL, PL524, POL\", \"buyer_nip\": \"1990080635\", \"source_id\": \"755906-2026\", \"deadline_at\": \"2026-11-30T08:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\"}",
            "content_hash": "0ba4d5fa6aa9626e82e55eb547d1b7a43f34066a46b06c045e4bcda49e5c8cb7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7ba50fd426578eb095d2907f1f9f5a1903eb55ec0447431d8b4a72d2a8b43d2c",
            "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": "2026-10-30T11:45:16Z",
            "content": "{\"cpv\": \"33696500\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/755906-2026\", \"buyer\": \"Krapkowickie Centrum Zdrowia Sp. z o.o.\", \"title\": \"Polska – Odczynniki laboratoryjne – Dzierżawa analizatorów do oznaczeń hematologicznych wraz z dostawą odczynników, materiałów zużywalnych i kontrolnych, kalibratorów oraz mikroskopu dla Krapkowickiego Centrum Zdrowia sp. z o.o.\", \"region\": \"opolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL524, PL524, POL, POL, PL524, POL\", \"buyer_nip\": \"1990080635\", \"source_id\": \"755906-2026\", \"deadline_at\": \"2026-11-30T08:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-30T01:00:00Z\", \"procedure_url\": \"https://kcz-krapkowice.ezamawiajacy.pl/pn/kcz-krapkowice/demand/notice/public/241176/details\"}",
            "content_hash": "9c5d1fe5fa1ddec30d42dbc826a2824b401ee4d670b0ad92e2bb628dbe5132bc",
            "prev_hash": "7ba50fd426578eb095d2907f1f9f5a1903eb55ec0447431d8b4a72d2a8b43d2c",
            "hash": "748d454516d48f2d725daf992c4a7c0819fb7cd2c83feb826b25e02e8fc5dfd7",
            "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
            }
        }
    ]
}