{
    "tender_id": 4217138,
    "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": "2026-10-30T19:53:15Z",
            "content": "{\"cpv\": \"33185300\", \"url\": \"https://woda-pzp.logintrade.net/zapytania_email,244175,42d30dbf76f64dad051e1c074c03a32e.html\", \"buyer\": \"Wodociągi Miejskie w Radomiu Sp. z o.o.\", \"title\": \"Dostawa spiral do przenośników ślimakowych\", \"region\": \"mazowieckie\", \"source\": \"woda_pzp_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"244175-42d30dbf76f64dad051e1c074c03a32e\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:29:00Z\"}",
            "content_hash": "70e74794d7e9cfe7400bb91b422538f7d2944f614c55eb6942d9b69b0ba7bdb4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e5e80542f532b45c84d60abea760404e8e68322976842d389aa5cbf3ebf6f6d6",
            "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": "2026-10-31T03:45:16Z",
            "content": "{\"cpv\": \"33185300\", \"url\": \"https://woda-pzp.logintrade.net/zapytania_email,244175,42d30dbf76f64dad051e1c074c03a32e.html\", \"buyer\": \"Wodociągi Miejskie w Radomiu Sp. z o.o.\", \"title\": \"Dostawa spiral do przenośników ślimakowych\", \"region\": \"mazowieckie\", \"source\": \"woda_pzp_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"244175-42d30dbf76f64dad051e1c074c03a32e\", \"deadline_at\": \"2026-11-12T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T12:29:00Z\", \"procedure_url\": \"https://woda-pzp.logintrade.net/zapytania_email,244175,42d30dbf76f64dad051e1c074c03a32e.html\"}",
            "content_hash": "3a087d04375fe91c8180b346325197e093376de8e405d4dc57296f19b1681c16",
            "prev_hash": "e5e80542f532b45c84d60abea760404e8e68322976842d389aa5cbf3ebf6f6d6",
            "hash": "b5cf077e4f767449f3c838827ecc9ef6d798f3a74d6c29f14328b91761e7efab",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}