{
    "tender_id": 4095929,
    "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": "2026-10-30T06:14:58Z",
            "content": "{\"cpv\": \"43261000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050868801_Zakup-i-dostawa-zakup-koparki-kolowej_2026_2.html\", \"buyer\": \"GMINA I MIASTO KOZIEGŁOWY\", \"title\": \"Zakup i dostawa zakup koparki kołowej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Koziegłowy\", \"source_id\": \"20050868801\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\"}",
            "content_hash": "7ffd07222750cb950bc4d349d68ed6b4d6f1f0cd66ee181da96137e101f5aed6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "be7aa38b1be9bee93d4fc55861b839a031f15f47edb232f624f2d6fc30de9871",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T06:45:41Z",
            "content": "{\"cpv\": \"43261000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050868801_Zakup-i-dostawa-zakup-koparki-kolowej_2026_2.html\", \"buyer\": \"GMINA I MIASTO KOZIEGŁOWY\", \"title\": \"Zakup i dostawa zakup koparki kołowej\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Koziegłowy\", \"source_id\": \"20050868801\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1395966\"}",
            "content_hash": "d89efb8f1e384fd7e8b78bcf8f03f06c5a6abcee9dfc316ff48e20aeb3bbfe66",
            "prev_hash": "be7aa38b1be9bee93d4fc55861b839a031f15f47edb232f624f2d6fc30de9871",
            "hash": "f65294465dee1f8e0d46c148ae3af575398e0a6b68dc5caf5fa0b0a77ef656cb",
            "actor": null,
            "seal": null
        }
    ]
}