{
    "tender_id": 4138673,
    "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": "2026-10-30T13:43:40Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863836/realizacja-utrzymania-oznakowania-pionowego-na-terenie-miasta-krosna-w-krosnie-w-2027-roku\", \"buyer\": \"Gmina Miasto Krosno\", \"title\": \"Realizacja utrzymania oznakowania pionowego na terenie miasta Krosna w Krośnie w 2027 roku\", \"region\": \"podkarpackie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863836\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:40Z\"}",
            "content_hash": "53d63033c28a293650b4212ad8ffca65f962902e6603e3f0558183aecd9aa1b2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "49f914633459d5ff85696684bd3794455f2f8fb8a9e0b76043e6c8a7a0437351",
            "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": "2026-10-30T13:45:38Z",
            "content": "{\"cpv\": \"45233140\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863836/realizacja-utrzymania-oznakowania-pionowego-na-terenie-miasta-krosna-w-krosnie-w-2027-roku\", \"buyer\": \"Gmina Miasto Krosno\", \"title\": \"Realizacja utrzymania oznakowania pionowego na terenie miasta Krosna w Krośnie w 2027 roku\", \"region\": \"podkarpackie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863836\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:43:40Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400506\"}",
            "content_hash": "e23178aaaf7239a0bde29e818e94575219cb705748c8d2a267e30c17ddbc1cc4",
            "prev_hash": "49f914633459d5ff85696684bd3794455f2f8fb8a9e0b76043e6c8a7a0437351",
            "hash": "3f6316add8404cc40fd2d76b8546201318bdde4076d7dabe824d7b0b74e39693",
            "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
            }
        }
    ]
}