{
    "tender_id": 1050484,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"90000000\", \"url\": \"https://ekosystem.logintrade.net/zapytania_email,236656,1e368f592210bd83d44d3282f1e2254a.html\", \"buyer\": \"EKOSYSTEM SPÓŁKA Z OGRANICZONA ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Odbiór, zbieranie, transport i zagospodarowanie odpadów komunalnych pochodzących z terenu Gminy Wrocław w obrębie Sektora 4\", \"source\": \"ekosystem_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"236656-1e368f592210bd83d44d3282f1e2254a\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-07-27T17:29:00Z\", \"procedure_url\": \"https://ekosystem.logintrade.net/zapytania_email,236656,1e368f592210bd83d44d3282f1e2254a.html\"}",
            "content_hash": "747af6f65d8dd25da5b61f135de1c0b46a8d10aafbf0f4267177a6f07c7f6456",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "697aea49984da0bee6ec73dd4772d10ac01edbdebae268e3d5aa0a203df8cede",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:45:11Z",
            "content": "{\"cpv\": \"90000000\", \"url\": \"https://ekosystem.logintrade.net/zapytania_email,236656,1e368f592210bd83d44d3282f1e2254a.html\", \"buyer\": \"EKOSYSTEM SPÓŁKA Z OGRANICZONA ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Odbiór, zbieranie, transport i zagospodarowanie odpadów komunalnych pochodzących z terenu Gminy Wrocław w obrębie Sektora 4\", \"source\": \"ekosystem_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"236656-1e368f592210bd83d44d3282f1e2254a\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-07-27T17:29:00Z\", \"procedure_url\": \"https://ekosystem.logintrade.net/zapytania_email,236656,1e368f592210bd83d44d3282f1e2254a.html\"}",
            "content_hash": "d16ee1bdd19227e3a545370853b40702c31df1e0c5b35db6b6dcfebf5595c2bd",
            "prev_hash": "697aea49984da0bee6ec73dd4772d10ac01edbdebae268e3d5aa0a203df8cede",
            "hash": "81077fb86fb1807665c6a01621996ee34a1e4264058c1a2c9d0bc20fb9a7bee5",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}