{
    "tender_id": 4023682,
    "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": "2026-10-29T19:42:55Z",
            "content": "{\"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,dc19b6afa08bf60d1174474f13ad1a83.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup wózka laboratoryjnego dla Pracownii Badań Ścieków Centralnego Laboratorium WMK. S.A.\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"platforma-wodociagi-dc19b6afa08bf60d1174474f13ad1a83\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T06:08:00Z\"}",
            "content_hash": "af3b0ea180f0dc64fc512850d3fa840f5644e31c8b2fc011bd3be8f18ceff3e7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "da693f3a72458d17f065aed51d9700d89336157951b206ec4acc9c9fb831c834",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T00:33:32Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://platforma-wodociagi.logintrade.net/portal,szczegolyZapytaniaOfertowe,dc19b6afa08bf60d1174474f13ad1a83.html\", \"buyer\": \"Wodociągi Miasta Krakowa Spółka Akcyjna\", \"title\": \"Zakup wózka laboratoryjnego\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"platforma-wodociagi-dc19b6afa08bf60d1174474f13ad1a83\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:22:00Z\"}",
            "content_hash": "58545d6888664635287283079881e19ee6ac8e9c667db7609c68d08cfb1fe134",
            "prev_hash": "da693f3a72458d17f065aed51d9700d89336157951b206ec4acc9c9fb831c834",
            "hash": "503298db35ce518dd723c88593f0af31d0319e670299024eaa4706793e63f63a",
            "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
            }
        }
    ]
}