{
    "tender_id": 4322307,
    "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": "2026-10-31T10:16:13Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865385/art-biurowe\", \"buyer\": \"MIEJSKIE PRZEDSIĘBIORSTWO KOMUNIKACYJNE SPÓŁKA AKCYJNA W KRAKOWIE\", \"title\": \"ART. BIUROWE\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865385\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:13Z\"}",
            "content_hash": "0e533b73a11621b28d9faec5b29b40d3937198f009d52cfcbc0c8106fa3e579d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ea3856dd5b75f7343eff3676826b3244d2b3ceca2b0f49e7565ad9fcf2e60673",
            "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": "2026-10-31T10:45:46Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865385/art-biurowe\", \"buyer\": \"MIEJSKIE PRZEDSIĘBIORSTWO KOMUNIKACYJNE SPÓŁKA AKCYJNA W KRAKOWIE\", \"title\": \"ART. BIUROWE\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865385\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:13Z\", \"procedure_url\": \"https://mpk-krakow.eb2b.com.pl/open-preview-auction.html/536461/art-biurowe-12\"}",
            "content_hash": "174d1c4e41af4fbb7769eb011eb3b8c05a801bf4564b6bf79b468866de389a89",
            "prev_hash": "ea3856dd5b75f7343eff3676826b3244d2b3ceca2b0f49e7565ad9fcf2e60673",
            "hash": "660a50364637adbd40e789bfbc4fd83d85a44f7d499ca212a1e3d75a5314a5aa",
            "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
            }
        }
    ]
}