{
    "tender_id": 3931461,
    "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": "2026-10-29T11:15:50Z",
            "content": "{\"cpv\": \"48730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860427/dostawa-i-wdrozenie-systemu-web-application-firewall-waf-\", \"buyer\": \"Urząd Ochrony Konkurencji i Konsumentów\", \"title\": \"Dostawa i wdrożenie systemu Web Application Firewall (WAF)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860427\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:51Z\"}",
            "content_hash": "b82edb05c5a96fb494b072ae9fc77337cb27d1f5d5c77ba3b2e989a9c9671b4b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b785c8c98fca58dc010af9c38a7a088ef905eae8c0e4590dd69a74eb74427077",
            "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": "2026-10-29T11:45:36Z",
            "content": "{\"cpv\": \"48730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860427/dostawa-i-wdrozenie-systemu-web-application-firewall-waf-\", \"buyer\": \"Urząd Ochrony Konkurencji i Konsumentów\", \"title\": \"Dostawa i wdrożenie systemu Web Application Firewall (WAF)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860427\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:51Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396431\"}",
            "content_hash": "7bfb57c4699e097c20bca1287e191d2de5b1fd9f162b9a541cea654c56df6a19",
            "prev_hash": "b785c8c98fca58dc010af9c38a7a088ef905eae8c0e4590dd69a74eb74427077",
            "hash": "fba5c7057b4591ff067c401d6c494fbcb0fbeec3920c20d0bf294e3aaefe5b76",
            "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": "2026-11-05T23:35:08Z",
            "content": "{\"cpv\": \"48730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860427/dostawa-i-wdrozenie-systemu-web-application-firewall-waf-\", \"buyer\": \"Urząd Ochrony Konkurencji i Konsumentów\", \"title\": \"Dostawa i wdrożenie systemu Web Application Firewall (WAF)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860427\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:51Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860427/dostawa-i-wdrozenie-systemu-web-application-firewall-waf-\"}",
            "content_hash": "e3e0f6fbb4bbc56483f945b87d3538f81853b1cb65f12418f89b2360ff9a9c79",
            "prev_hash": "fba5c7057b4591ff067c401d6c494fbcb0fbeec3920c20d0bf294e3aaefe5b76",
            "hash": "64e2e5acd71430e389cdfa0cd283c68c09e6bffdd2defa5cbc22cbcee335d27b",
            "actor": null,
            "seal": null
        }
    ]
}