{
    "tender_id": 5377198,
    "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": "2026-11-05T08:39:23Z",
            "content": "{\"cpv\": \"66114000\", \"url\": \"https://platformazakupowa.pl/transakcja/1404298\", \"buyer\": \"Górażdże\", \"title\": \"Sprzedaż używanego wozidła KOMATSU HD405-7\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1404298\", \"deadline_at\": \"2026-11-20T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-05T07:04:00Z\", \"notice_number\": \"1404298\"}",
            "content_hash": "f888cd8197a4b01fc89d4839a91da77b4134b5728690bdcde641ec260a3b98f8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "359231ad719d7f0f1d4c8f96bebd698ee04fc43155b7d0dffc0402edab3b6134",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T12:45:49Z",
            "content": "{\"cpv\": \"66114000\", \"url\": \"https://platformazakupowa.pl/transakcja/1404298\", \"buyer\": \"Górażdże\", \"title\": \"Sprzedaż używanego wozidła KOMATSU HD405-7\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1404298\", \"deadline_at\": \"2026-11-20T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-05T07:04:00Z\", \"notice_number\": \"1404298\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1404298\"}",
            "content_hash": "0057a19d6bc901e6aeb6b92586b733da025f3e2f650f9426a45ef98c77dbc19f",
            "prev_hash": "359231ad719d7f0f1d4c8f96bebd698ee04fc43155b7d0dffc0402edab3b6134",
            "hash": "95d6b851724621e8025ecea8a9aeb59c984849af1a3ebda85d273346c1875745",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}