{
    "tender_id": 4145125,
    "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": "2026-10-30T14:46:05Z",
            "content": "{\"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,d5ca44b24d8ea3220657d6ed5db07264.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTETA/2026/019017 - Zakup łożysk\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"małopolskie\", \"source_id\": \"bruk-bet-d5ca44b24d8ea3220657d6ed5db07264\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T14:16:00Z\"}",
            "content_hash": "e8e251c96434a6e854d28acf2c24e9f126827ae050afb79082b2aacf5e886d43",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cf899c38e20ac572281d807f4fc1dc6a32145df5629071047751b6b3acc41ff2",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T01:48:08Z",
            "content": "{\"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,d5ca44b24d8ea3220657d6ed5db07264.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o\", \"title\": \"ZAP/MTETA/2026/019017 - Zakup łożysk\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bruk-bet-d5ca44b24d8ea3220657d6ed5db07264\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T16:53:00Z\"}",
            "content_hash": "1d7d872bf17fcb1f65f6c315159de0f8bc930504944005b1078442adff27592f",
            "prev_hash": "cf899c38e20ac572281d807f4fc1dc6a32145df5629071047751b6b3acc41ff2",
            "hash": "0e183e20820681bb803f94aae99fd64390dd3ebfd55aa08de14e1a0aac6776ec",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T10:46:03Z",
            "content": "{\"url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,d5ca44b24d8ea3220657d6ed5db07264.html\", \"buyer\": \"Bruk-Bet Sp. Z o.o\", \"title\": \"ZAP/MTETA/2026/019017 - Zakup łożysk\", \"region\": \"malopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"bruk-bet-d5ca44b24d8ea3220657d6ed5db07264\", \"deadline_at\": \"2026-11-02T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T16:53:00Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,d5ca44b24d8ea3220657d6ed5db07264.html\"}",
            "content_hash": "5e0a5c4fe3dce5cb65fa2d9251aa9b02bcd48457b806303b8c90064b15731110",
            "prev_hash": "0e183e20820681bb803f94aae99fd64390dd3ebfd55aa08de14e1a0aac6776ec",
            "hash": "efacda978a0a6fe4ca16fa8f3b434a5fdaf7e441d4e95983d35fb860f2836d65",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}