{
    "tender_id": 2796916,
    "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": [
        {
            "version": 1,
            "recorded_at": "2026-10-24T13:58:39Z",
            "content": "{\"url\": \"https://mesko.eb2b.com.pl/open-preview-auction.html/535118/dostawa-wspolrzednosciowej-maszyny-pomiarowej-o-konstrukcji-mostowej-1-sztuka-delivery-of-gantry-type-coordinate-measuring-machine-1-pcs-1\", \"buyer\": \"MESKO SPÓŁKA AKCYJNA\", \"title\": \"Dostawa współrzędnościowej maszyny pomiarowej o konstrukcji mostowej – 1 sztuka./delivery of gantry-type coordinate measuring machine – 1 pcs.\", \"region\": \"swietokrzyskie\", \"source\": \"mesko_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ŚWIĘTOKRZYSKIE\", \"source_id\": \"535118\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T09:30:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535118/dostawa-wspolrzednosciowej-maszyny-pomiarowej-o-konstrukcji-mostowej-1-sztuka-delivery-of-gantry-type-coordinate-measuring-machine-1-pcs-1\"}",
            "content_hash": "a4bfc4cc085654dbdeffc0e0a6ef3c1fd8455a0fa0f7bc103534ae9b50e3176d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "573df86952e56d9100fd95579bf5b6af2cd872cbd2b0e8866ef5bb06b693ace2",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}