{
    "tender_id": 7091464,
    "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": "2026-11-13T15:22:47Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3894573/plecak-podreczny-dobowy\", \"buyer\": \"Komenda Wojewódzka PSP w Katowicach\", \"title\": \"Plecak podręczny dobowy\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3894573\", \"deadline_at\": \"2026-11-18T10:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-13T15:22:47Z\"}",
            "content_hash": "576d06a2a709fe16ce4c3dea1409789f43922536efc5bafd1cd57b62feddedc1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6daab709b51dfb10a3a636e362387f6a3d3bfccef2969fd3262e9ae1a2f6c6a1",
            "actor": null,
            "seal": {
                "id": 21,
                "digest": "9f5cc628e20cec4e7a4adf4979e6b8d5416f11dcd193f37905493253afb6d07f",
                "file": "https://tenderiq.pl/rejestr/pieczec-21.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-21.txt.ots",
                "bitcoin_block": 975729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-13T15:46:00Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3894573/plecak-podreczny-dobowy\", \"buyer\": \"Komenda Wojewódzka PSP w Katowicach\", \"title\": \"Plecak podręczny dobowy\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3894573\", \"deadline_at\": \"2026-11-18T10:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-13T15:22:47Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1409159\"}",
            "content_hash": "eee9027c601e8d736ad918b25ad886bbe55f70b7d973b2acfdb350a9f44669b3",
            "prev_hash": "6daab709b51dfb10a3a636e362387f6a3d3bfccef2969fd3262e9ae1a2f6c6a1",
            "hash": "1326324a784273060db87a3dcdd4406388ef6251753b400ec9ddd1090b8a1ee8",
            "actor": null,
            "seal": {
                "id": 21,
                "digest": "9f5cc628e20cec4e7a4adf4979e6b8d5416f11dcd193f37905493253afb6d07f",
                "file": "https://tenderiq.pl/rejestr/pieczec-21.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-21.txt.ots",
                "bitcoin_block": 975729
            }
        }
    ]
}