{
    "tender_id": 4273677,
    "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": "2026-10-31T03:16:09Z",
            "content": "{\"url\": \"https://mpec-krakow.logintrade.net/zapytania_email,244143,1307996cbc9f928172f1de1ae8a0a7d5.html\", \"buyer\": \"Miejskie Przedsiębiorstwo Energetyki Cieplnej S.A. w Krakowie\", \"title\": \"Dostawa prętów mosiężnych sześciokątnych\", \"region\": \"malopolskie\", \"source\": \"pzp24_open\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"244143-1307996cbc9f928172f1de1ae8a0a7d5\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:50:00Z\"}",
            "content_hash": "79efe9255b69261d7f5af06582fa3c9a5a8a621f2b86cc72b3310ad51a2191e7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2dad4884bec45384f9cd786f110794cb44637f030f196ee380fa84fdfc0593f3",
            "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": 2,
            "recorded_at": "2026-10-31T10:46:11Z",
            "content": "{\"url\": \"https://mpec-krakow.logintrade.net/zapytania_email,244143,1307996cbc9f928172f1de1ae8a0a7d5.html\", \"buyer\": \"Miejskie Przedsiębiorstwo Energetyki Cieplnej S.A. w Krakowie\", \"title\": \"Dostawa prętów mosiężnych sześciokątnych\", \"region\": \"malopolskie\", \"source\": \"pzp24_open\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"244143-1307996cbc9f928172f1de1ae8a0a7d5\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:50:00Z\", \"procedure_url\": \"https://mpec-krakow.logintrade.net/zapytania_email,244143,1307996cbc9f928172f1de1ae8a0a7d5.html\"}",
            "content_hash": "7485eabbfd74975dadbcb38454b9ccec4b791856aabec85af069bc8a3a01cc58",
            "prev_hash": "2dad4884bec45384f9cd786f110794cb44637f030f196ee380fa84fdfc0593f3",
            "hash": "b9c984b205bef49a98b2524b9bd0cfb45af3a4b42cc20bd76068901b85c7d755",
            "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
            }
        }
    ]
}