{
    "tender_id": 5257594,
    "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": "2026-11-04T21:13:42Z",
            "content": "{\"cpv\": \"34150000\", \"url\": \"https://jzr-dzwigi.logintrade.net/portal,szczegolyZapytaniaOfertowe,b919066411212848b4a73541a68c516e.html\", \"buyer\": \"JZR Dźwigi Sp. z o.o.\", \"title\": \"Zakup oraz dostawa elementów złącznych do Żurawia wieżowego.\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"śląskie\", \"source_id\": \"jzr-dzwigi-b919066411212848b4a73541a68c516e\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T12:44:00Z\"}",
            "content_hash": "5e36ab3c48ded194225f28f7e86ab277a34e0ca73ec2228c19aa5b4f1fcf3074",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ba21d904dea2e79c39360165b77520506307d177b1bd9631772f7e4483a2737e",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T00:17:17Z",
            "content": "{\"cpv\": \"34150000\", \"url\": \"https://jzr-dzwigi.logintrade.net/portal,szczegolyZapytaniaOfertowe,b919066411212848b4a73541a68c516e.html\", \"buyer\": \"JZR Dźwigi Sp. z o.o\", \"title\": \"Zakup oraz dostawa elementów złącznych do Żurawia wieżowego\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"jzr-dzwigi-b919066411212848b4a73541a68c516e\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:43:00Z\"}",
            "content_hash": "d23ae437d07b576b0c9d4d8f7bf7a0b13f44a811531dc55168084dba890111ff",
            "prev_hash": "ba21d904dea2e79c39360165b77520506307d177b1bd9631772f7e4483a2737e",
            "hash": "551135b58d6d3e04b24886118581d0c6d1657e70e7aaebde1a6c0677698be113",
            "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": 3,
            "recorded_at": "2026-11-05T06:45:54Z",
            "content": "{\"cpv\": \"34150000\", \"url\": \"https://jzr-dzwigi.logintrade.net/portal,szczegolyZapytaniaOfertowe,b919066411212848b4a73541a68c516e.html\", \"buyer\": \"JZR Dźwigi Sp. z o.o\", \"title\": \"Zakup oraz dostawa elementów złącznych do Żurawia wieżowego\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"jzr-dzwigi-b919066411212848b4a73541a68c516e\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T16:43:00Z\", \"procedure_url\": \"https://jzr-dzwigi.logintrade.net/portal,szczegolyZapytaniaOfertowe,b919066411212848b4a73541a68c516e.html\"}",
            "content_hash": "7d6ac1dc96e1a4bb59fd8ba3f256beb3b6b52ea2766654dfa89729edf0fae499",
            "prev_hash": "551135b58d6d3e04b24886118581d0c6d1657e70e7aaebde1a6c0677698be113",
            "hash": "a94ee80f36132a27218e0d97e79475485b9cb7e2fb28e4de9d829e35b941ffb2",
            "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
            }
        }
    ]
}