{
    "tender_id": 6194610,
    "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": "2026-11-09T21:00:08Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://platforma-kopalniawieliczka.logintrade.net/portal,szczegolyZapytaniaOfertowe,0dd975a46b18a588da7593e32aba8485.html\", \"buyer\": \"Kopalnia Soli \\\"Wieliczka\\\" S.A.\", \"title\": \"Redukcja do manometru\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-kopalniawieliczka-0dd975a46b18a588da7593e32aba8485\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T11:47:00Z\"}",
            "content_hash": "a64053a8057a0e11f576bd5195b939f70b9313ce38832331706f5853b9d46453",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6a4ca284e014834969e8b2e6400cccdacdf8a4ab8df3f7ff5ef873b5a44905de",
            "actor": null,
            "seal": {
                "id": 17,
                "digest": "ff8cb03aa08e7c772155df1b20fd8d51c1cab7cd026d5e31aa3d74d6ab70c7b2",
                "file": "https://tenderiq.pl/rejestr/pieczec-17.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-17.txt.ots",
                "bitcoin_block": 975226
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T01:12:38Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://platforma-kopalniawieliczka.logintrade.net/portal,szczegolyZapytaniaOfertowe,0dd975a46b18a588da7593e32aba8485.html\", \"buyer\": \"Kopalnia Soli \\\"Wieliczka\\\" S.A\", \"title\": \"Redukcja do manometru\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-kopalniawieliczka-0dd975a46b18a588da7593e32aba8485\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-09T15:02:00Z\"}",
            "content_hash": "ab4b51d1a6dc12b293b05273cfb35c0ef2791793f3325b9707debf4d70ce345b",
            "prev_hash": "6a4ca284e014834969e8b2e6400cccdacdf8a4ab8df3f7ff5ef873b5a44905de",
            "hash": "3eab7e695dfa387a459c18b56d5e165f2a13290e5f6289f31b3ad2a24819a06e",
            "actor": null,
            "seal": null
        }
    ]
}