{
    "tender_id": 3915593,
    "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": "2026-10-29T07:50:01Z",
            "content": "{\"url\": \"https://tram-silesia.logintrade.net/zapytania_email,243967,9e8647c8d933c4d9eed84b3f98ae3e8d.html\", \"buyer\": \"Tramwaje Śląskie S.A.\", \"title\": \"FZ/482/2026_Zakup wraz z dostawą części zamiennych do przekładni tramwajowych 20PM\", \"region\": \"slaskie\", \"source\": \"tram_silesia_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243967-9e8647c8d933c4d9eed84b3f98ae3e8d\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T07:25:00Z\"}",
            "content_hash": "d03154f4f6889d80dd3d1e551c4de3ae39a7bfdf64a6eb3081a81d6dd12d8f13",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5e03f61760fc7d2d552676458b3709fab7626ce6eda29a552aa56ba2ef017bc8",
            "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": "2026-10-30T01:45:37Z",
            "content": "{\"url\": \"https://tram-silesia.logintrade.net/zapytania_email,243967,9e8647c8d933c4d9eed84b3f98ae3e8d.html\", \"buyer\": \"Tramwaje Śląskie S.A.\", \"title\": \"FZ/482/2026_Zakup wraz z dostawą części zamiennych do przekładni tramwajowych 20PM\", \"region\": \"slaskie\", \"source\": \"tram_silesia_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243967-9e8647c8d933c4d9eed84b3f98ae3e8d\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T07:25:00Z\", \"procedure_url\": \"https://tram-silesia.logintrade.net/zapytania_email,243967,9e8647c8d933c4d9eed84b3f98ae3e8d.html\"}",
            "content_hash": "6e1c28de706da840b0ce276144d2ab88aab0b36cc3088782b226e2cec04e6607",
            "prev_hash": "5e03f61760fc7d2d552676458b3709fab7626ce6eda29a552aa56ba2ef017bc8",
            "hash": "dbb081698dabaf2e13c7cc1a20c67ba290498c1b50ef5a6c15aaa9cbddcf30dd",
            "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
            }
        }
    ]
}