{
    "tender_id": 4334685,
    "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": "2026-10-31T12:10:16Z",
            "content": "{\"cpv\": \"09331200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051353901_Poprawa-efektywnosci-energetycznej-w-budynkach-uzytecznosci-publicznej-Gminy-Swidnica_2026_2.html\", \"buyer\": \"GMINA ŚWIDNICA\", \"title\": \"Poprawa efektywności energetycznej w budynkach użyteczności publicznej Gminy Świdnica\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Świdnica\", \"source_id\": \"20051353901\", \"deadline_at\": \"2026-11-17T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "c29e0fe949b025d1cd0ce19b34811577e8f253395cdf9b6b247aed274ce708aa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2a440f38114fe16662a76bd79c870a03b795b53ece9986f688567e194787a1ad",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:31Z",
            "content": "{\"cpv\": \"09331200\", \"url\": \"https://www.przetargi.egospodarka.pl/20051353901_Poprawa-efektywnosci-energetycznej-w-budynkach-uzytecznosci-publicznej-Gminy-Swidnica_2026_2.html\", \"buyer\": \"GMINA ŚWIDNICA\", \"title\": \"Poprawa efektywności energetycznej w budynkach użyteczności publicznej Gminy Świdnica\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Świdnica\", \"source_id\": \"20051353901\", \"deadline_at\": \"2026-11-17T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://e-zp.pyskowice.pl/procurements/215/procurement\"}",
            "content_hash": "cf9adb3c72fa12dc3e927d91277a2985b9c4e8a3934c296d6bb5516548fe469b",
            "prev_hash": "2a440f38114fe16662a76bd79c870a03b795b53ece9986f688567e194787a1ad",
            "hash": "0f6e3bf9feb894aefce4c47fdd8b6459011e4ab487675155bfb39271e5030b9e",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}