{
    "tender_id": 4810739,
    "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": "2026-11-02T18:39:34Z",
            "content": "{\"url\": \"https://grupawzkvictoria.logintrade.net/portal,szczegolyZapytaniaOfertowe,94b448f5321bb77b6ea26b091e9f2ece.html\", \"buyer\": \"Zakład Usług Energetycznych EpeKoks Sp. z o.o.\", \"title\": \"głowica termostatyczna 8...28°C - DANFOSS Redia - nr kat.: 015G3350 i głowica termostatyczna 6,5...28°C 1-5 M30x1,5 - DIAMOND typ 398 - nr kat.: ART.398\", \"region\": \"dolnoslaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"dolnośląskie\", \"source_id\": \"grupawzkvictoria-94b448f5321bb77b6ea26b091e9f2ece\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T07:53:00Z\"}",
            "content_hash": "4926685fb03899971a25a8eb9fc4e3b30ca9218aa0258a145e17d58a404458eb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "67fb192917660e5e914f7d3ebee3d7c66ff9fbd5dbaebf076ed4a601dc70ab35",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T02:30:09Z",
            "content": "{\"cpv\": \"45332000\", \"url\": \"https://grupawzkvictoria.logintrade.net/portal,szczegolyZapytaniaOfertowe,94b448f5321bb77b6ea26b091e9f2ece.html\", \"buyer\": \"Zakład Usług Energetycznych EpeKoks Sp. z o.o\", \"title\": \"Głowica termostatyczna\", \"region\": \"dolnoslaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"grupawzkvictoria-94b448f5321bb77b6ea26b091e9f2ece\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T11:01:00Z\"}",
            "content_hash": "b6122bd6f24921dff7ed3627ec72878d203075d4a895fb3580883f0d68b2e5c0",
            "prev_hash": "67fb192917660e5e914f7d3ebee3d7c66ff9fbd5dbaebf076ed4a601dc70ab35",
            "hash": "63d5ba3c678f01f5a6673c6c63965a2a5b4bcc3f9d4fe886ec0dc207f148e75c",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}