{
    "tender_id": 3378792,
    "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": "2026-10-26T10:13:06Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739119-2026\", \"buyer\": \"UNIONE DI COMUNI MONTANA COLLINE METALLIFERE\", \"title\": \"Włochy – Usługi ubezpieczeniowe – PROCEDURA APERTA AI SENSI DELL' ART. 71 DEL D.LGS. 36 2023, PER L'AFFIDAMENTO DEI SERVIZI ASSICURATIVI PER L'UNIONE DI COMUNI MONTANA COLLINE METALLIFERE, ED I COMUNI DI ROCCASTRADA E MONTEROTONDO M.MO\", \"source\": \"ted_ita\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ITI1A, ITA, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITA, ITA, ITA, ITA, ITA, ITA, ITA\", \"source_id\": \"739119-2026\", \"deadline_at\": \"2026-11-26T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "c8e99a0c7ca963777b74f1888e4fff50afa14b7bdb1ddf6ab25f9d75a23fe56a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b2efe2ecaee08c12d383df23f79c04c33eb16a8b3167a180ee88a450328f7794",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T12:20:16Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739119-2026\", \"buyer\": \"UNIONE DI COMUNI MONTANA COLLINE METALLIFERE\", \"title\": \"Włochy – Usługi ubezpieczeniowe – PROCEDURA OTWARTA Z NAZEMNIA ART. 71 ZDECYDZENIA Z DNIA 36 Z ROKU 2023, DLA ZAMÓWANIA USŁUG OCZELOWYCH DLA ZWIĄZKU GÓRZYS MONTANNYCH, KOGUCZYSTYCH I ZŁOMOWYCH, A TEŻ GMIN MIEJSKICH ROCCASTRADA I MONTEROTONDO M.MO\", \"source\": \"ted_ita\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ITI1A, ITA, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITI1A, ITA, ITA, ITA, ITA, ITA, ITA, ITA\", \"source_id\": \"739119-2026\", \"deadline_at\": \"2026-11-26T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "aa200fc2825931ba63fc92572050eb9271d802ac62fef017bf15f78d26b32217",
            "prev_hash": "b2efe2ecaee08c12d383df23f79c04c33eb16a8b3167a180ee88a450328f7794",
            "hash": "71f97525f83e4b9604c2cfbc4dfb30dce930ce94b0f1f1ee8344c9976c701ff1",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}