{
    "tender_id": 4810750,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-02T18:39:35Z",
            "content": "{\"url\": \"https://platforma-kopalniawieliczka.logintrade.net/portal,szczegolyZapytaniaOfertowe,9c3caeca614feeb8f4e7cf355675dd1d.html\", \"buyer\": \"Kopalnia Soli \\\"Wieliczka\\\" S.A.\", \"title\": \"PRZEKAŹNIK SERII IR125Y-4 BENDER\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-kopalniawieliczka-9c3caeca614feeb8f4e7cf355675dd1d\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T07:42:00Z\"}",
            "content_hash": "b04c5703cd2ca8a25ce2f7bad45e695c265b48d4c7c67c42093974753f33c3fc",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "255874574d0a2330c1638eb9dd2fe16bd8e8d134e526bf213572b829b5366ffe",
            "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": "2026-11-02T21:47:28Z",
            "content": "{\"cpv\": \"92111250\", \"url\": \"https://platforma-kopalniawieliczka.logintrade.net/portal,szczegolyZapytaniaOfertowe,9c3caeca614feeb8f4e7cf355675dd1d.html\", \"buyer\": \"Kopalnia Soli \\\"Wieliczka\\\" S.A.\", \"title\": \"PRZEKAŹNIK SERII IR125Y-4 BENDER\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-kopalniawieliczka-9c3caeca614feeb8f4e7cf355675dd1d\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T07:42:00Z\"}",
            "content_hash": "b9ca87daaa97f0c6ef4040d789477fd73bd755f4a88a7975ea65369ed93b134d",
            "prev_hash": "255874574d0a2330c1638eb9dd2fe16bd8e8d134e526bf213572b829b5366ffe",
            "hash": "0dab35d23c3c9d2d53525450a2858978532842841f519970e53cacc2517016ae",
            "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": 3,
            "recorded_at": "2026-11-03T02:30:09Z",
            "content": "{\"cpv\": \"92111250\", \"url\": \"https://platforma-kopalniawieliczka.logintrade.net/portal,szczegolyZapytaniaOfertowe,9c3caeca614feeb8f4e7cf355675dd1d.html\", \"buyer\": \"Kopalnia Soli \\\"Wieliczka\\\" S.A\", \"title\": \"PRZEKAŹNIK\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-kopalniawieliczka-9c3caeca614feeb8f4e7cf355675dd1d\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T11:08:00Z\"}",
            "content_hash": "8c067be20e69eb882b75aafa4811a38f3980471ee83f5d8716dcc54be94124a3",
            "prev_hash": "0dab35d23c3c9d2d53525450a2858978532842841f519970e53cacc2517016ae",
            "hash": "9497d3de877313b154212d4f79a3ab248a015156fd93b2b9b4c14f9b96f8510c",
            "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
            }
        }
    ]
}