{
    "tender_id": 3724491,
    "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": "2026-10-28T04:54:22Z",
            "content": "{\"cpv\": \"50413200\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856768/zakup-i-dostawa-sensorow-do-miernika-dla-potrzeb-wmk-s-a-\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa sensorów do miernika dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856768\", \"deadline_at\": \"2026-11-03T09:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:23Z\"}",
            "content_hash": "e902a694cd556f3b702a4b0d278b7cd9d3b9cb94ad0e0735bde852028edd7ac6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6a66ee194e7f26fb29166281cf1d335a05df14449482f54dca742fee39ddfd19",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T05:45:47Z",
            "content": "{\"cpv\": \"50413200\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856768/zakup-i-dostawa-sensorow-do-miernika-dla-potrzeb-wmk-s-a-\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup i dostawa sensorów do miernika dla potrzeb WMK S.A.\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856768\", \"deadline_at\": \"2026-11-03T09:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:23Z\", \"procedure_url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,a534c1f458fccedf742648933549d230.html\"}",
            "content_hash": "fb6d1fc6072b18bd96688e6f21153ceffe0b618c4a97ca80333a44739296cb38",
            "prev_hash": "6a66ee194e7f26fb29166281cf1d335a05df14449482f54dca742fee39ddfd19",
            "hash": "354a8ff3757563a4e6cee44370f3b13c4d7bc3fa68f6fccd3a213151183be01f",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}