{
    "tender_id": 6848775,
    "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": "2026-11-12T13:33:22Z",
            "content": "{\"cpv\": \"43600000\", \"url\": \"https://platformazakupowa.logintrade.pl/rfxs/celsaho/6f100e8f-6d05-4b71-ad6c-2fb8f5d30149\", \"buyer\": \"CELSA \\\"HUTA OSTROWIEC\\\" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Dostawa elementów złącznych\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"342d51dfdfbbe2aff1fa1edf2f30b1a1f7716c47\", \"deadline_at\": \"2026-11-16T21:59:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T11:38:00Z\"}",
            "content_hash": "657813b1980e7744d45429ee0a0a1fa2f0ded6a19b40d27ca56d8d2e41bad0ff",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fa4327fd23f834111e576936e2ca501c7784a498c40dbd5d13b0b2b5af7910d7",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-13T02:46:04Z",
            "content": "{\"cpv\": \"43600000\", \"url\": \"https://platformazakupowa.logintrade.pl/rfxs/celsaho/6f100e8f-6d05-4b71-ad6c-2fb8f5d30149\", \"buyer\": \"CELSA \\\"HUTA OSTROWIEC\\\" SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Dostawa elementów złącznych\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"342d51dfdfbbe2aff1fa1edf2f30b1a1f7716c47\", \"deadline_at\": \"2026-11-16T21:59:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T11:38:00Z\", \"procedure_url\": \"https://platformazakupowa.logintrade.pl/rfxs/celsaho/6f100e8f-6d05-4b71-ad6c-2fb8f5d30149\"}",
            "content_hash": "b7de0aeedd07d655e4551a15e6fdd5e59bd0b6a89baa43adce7d25c921d6d102",
            "prev_hash": "fa4327fd23f834111e576936e2ca501c7784a498c40dbd5d13b0b2b5af7910d7",
            "hash": "432abb21c342e0944eae848880d4a462ab56ccfb55c1bbff96377317723a003c",
            "actor": null,
            "seal": null
        }
    ]
}