{
    "tender_id": 3580318,
    "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": "2026-10-27T12:08:57Z",
            "content": "{\"url\": \"https://platformazakupowa.logintrade.pl/rfxs/drukarnia-dako/42d61f6b-0501-45aa-9239-c15d39709908\", \"buyer\": \"DRUKARNIA DAKO KOZIOŁ I WSPÓLNICY SPÓŁKA JAWNA\", \"title\": \"Zakup i dostawa osłony taśmowo-sprężynowej Mercator OS 040.1000.100\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"fa472504452844b77d34f3a87239f51834a068fe\", \"deadline_at\": \"2026-11-05T21:59:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T11:30:00Z\"}",
            "content_hash": "4e22f200834f4842dd6f1b65dc1217bf3b6b1a94e9f3d51179ec2c69aa82506a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c94bb8fe07c3b351a212aa71bb51ac18a5c5ca1e09c2bacc3845571ef7c48e88",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T13:45:26Z",
            "content": "{\"url\": \"https://platformazakupowa.logintrade.pl/rfxs/drukarnia-dako/42d61f6b-0501-45aa-9239-c15d39709908\", \"buyer\": \"DRUKARNIA DAKO KOZIOŁ I WSPÓLNICY SPÓŁKA JAWNA\", \"title\": \"Zakup i dostawa osłony taśmowo-sprężynowej Mercator OS 040.1000.100\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"fa472504452844b77d34f3a87239f51834a068fe\", \"deadline_at\": \"2026-11-05T21:59:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T11:30:00Z\", \"procedure_url\": \"https://platformazakupowa.logintrade.pl/rfxs/drukarnia-dako/42d61f6b-0501-45aa-9239-c15d39709908\"}",
            "content_hash": "f5264bff45f9a0662af7471b950980e1fff275f7f481a122ca4724aa0acfbd49",
            "prev_hash": "c94bb8fe07c3b351a212aa71bb51ac18a5c5ca1e09c2bacc3845571ef7c48e88",
            "hash": "d6a0e570b3eaf043965d65015d1ea2abbfe51d4174a167343bd6e61b0f9406c1",
            "actor": null,
            "seal": null
        }
    ]
}