{
    "tender_id": 4139755,
    "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": "2026-10-30T13:51:41Z",
            "content": "{\"cpv\": \"30210000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536434/zapytanie-o-informacje-cenowa-na-dostawe-szafy-suszarniczej-typ-sso-100\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenową na dostawę szafy suszarniczej typ SSO-100\", \"region\": \"zachodniopomorskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ZACHODNIOPOMORSKIE\", \"source_id\": \"536434\", \"deadline_at\": \"2026-11-09T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\"}",
            "content_hash": "303b9e10d77f371e1aec9f95302d72167420534a36cab7fc58c65154ca991797",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "118b1fc26dd9cb4a7165dd0d128938c608a79573983a9669dcb00bb064094649",
            "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": "2026-10-30T15:31:10Z",
            "content": "{\"cpv\": \"30210000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536434/zapytanie-o-informacje-cenowa-na-dostawe-szafy-suszarniczej-typ-sso-100\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenową na dostawę szafy suszarniczej typ SSO-100\", \"region\": \"zachodniopomorskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ZACHODNIOPOMORSKIE\", \"source_id\": \"536434\", \"deadline_at\": \"2026-11-09T13:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536434/zapytanie-o-informacje-cenowa-na-dostawe-szafy-suszarniczej-typ-sso-100\"}",
            "content_hash": "99d99050878506ba048bbd4cb33124955626c65370019f9055d00594dd0e0cfd",
            "prev_hash": "118b1fc26dd9cb4a7165dd0d128938c608a79573983a9669dcb00bb064094649",
            "hash": "fc30e13560f85bc6e579eb16e8c6ce97cc5e1e24383fc63ae54dab0b4448f465",
            "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
            }
        }
    ]
}