{
    "tender_id": 5408810,
    "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": "2026-11-05T12:21:35Z",
            "content": "{\"cpv\": \"24600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876093/t8-led-starter\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"T8 LED Starter\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876093\", \"deadline_at\": \"2026-11-09T08:34:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:36Z\"}",
            "content_hash": "76dd2d4ab6b87abd734a5f5c018668e171ae5b5d9b8f1eb910eff74ed6b787a2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6d82dbb0aff489e0c89cd0a01d88090c33d7e585af4b2d4cb42478ea04730504",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T19:45:38Z",
            "content": "{\"cpv\": \"24600000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876093/t8-led-starter\", \"buyer\": \"MIEJSKI ZESPÓŁ OBSŁUGI SZKÓŁ I PRZEDSZKOLI\", \"title\": \"T8 LED Starter\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3876093\", \"deadline_at\": \"2026-11-09T08:34:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T12:21:36Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3876093/t8-led-starter\"}",
            "content_hash": "7110374cee4cd8e9082d516e8d76902cf8bf3536f19e6c8115d0049f94b1dc82",
            "prev_hash": "6d82dbb0aff489e0c89cd0a01d88090c33d7e585af4b2d4cb42478ea04730504",
            "hash": "183a735d324ae2faa091b0978a85b69e0992b19ccb80ff0c87475e59d2702aa5",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}