{
    "tender_id": 4011393,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-29T18:16:24Z",
            "content": "{\"cpv\": \"15331170\", \"url\": \"https://spsk4lublin.eb2b.com.pl/open-preview-auction.html/535909/dostawa-wody-napojow-i-sokow-oraz-mrozonych-ryb-owocow-i-warzyw\", \"buyer\": \"USK NR 4 W LUBLINIE\", \"title\": \"Dostawa wody, napojów i soków oraz mrożonych ryb, owoców i warzyw\", \"region\": \"lubelskie\", \"source\": \"spsk4lublin_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"LUBELSKIE\", \"source_id\": \"535909\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\"}",
            "content_hash": "e3cc9354ab0247ff7f027faaf79af7f23a53693606f866846383e9612f1d18c0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "c92b7d2afbbde3e81d1e4dc6f0f5dd1a639fe2a366b3e5d269597ceac6f20cd4",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T18:45:20Z",
            "content": "{\"cpv\": \"15331170\", \"url\": \"https://spsk4lublin.eb2b.com.pl/open-preview-auction.html/535909/dostawa-wody-napojow-i-sokow-oraz-mrozonych-ryb-owocow-i-warzyw\", \"buyer\": \"USK NR 4 W LUBLINIE\", \"title\": \"Dostawa wody, napojów i soków oraz mrożonych ryb, owoców i warzyw\", \"region\": \"lubelskie\", \"source\": \"spsk4lublin_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"LUBELSKIE\", \"source_id\": \"535909\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535909/dostawa-wody-napojow-i-sokow-oraz-mrozonych-ryb-owocow-i-warzyw\"}",
            "content_hash": "1bd1c1ee8adac7a8c5f5b6693ff54be640424ee51e7ded7487f00b27444821b8",
            "prev_hash": "c92b7d2afbbde3e81d1e4dc6f0f5dd1a639fe2a366b3e5d269597ceac6f20cd4",
            "hash": "5cd429772128427265dba9fbd7e6d8f1864d401ba8ad6a2fea722cdf4ee0e676",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-30T08:17:00Z",
            "content": "{\"cpv\": \"15331170\", \"url\": \"https://spsk4lublin.eb2b.com.pl/open-preview-auction.html/535909/dostawa-wody-napojow-i-sokow-oraz-mrozonych-ryb-owocow-i-warzyw\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY NR 4 W LUBLINIE\", \"title\": \"Dostawa wody, napojów i soków oraz mrożonych ryb, owoców i warzyw\", \"region\": \"lubelskie\", \"source\": \"spsk4lublin_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"LUBELSKIE\", \"source_id\": \"535909\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T11:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535909/dostawa-wody-napojow-i-sokow-oraz-mrozonych-ryb-owocow-i-warzyw\"}",
            "content_hash": "4697e895312313e1e105a441727f6d360183f7cd4f2f95e7fb801bede8882dc6",
            "prev_hash": "5cd429772128427265dba9fbd7e6d8f1864d401ba8ad6a2fea722cdf4ee0e676",
            "hash": "9e04b4db5033b2d4574a00531ba2cc9a7fef99148459c610c5418f7fc059b7cb",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}