{
    "tender_id": 5003255,
    "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": "2026-11-03T14:42:11Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536852/monitor-19-cali-1\", \"buyer\": \"PKP TELKOL SP. Z O.O.\", \"title\": \"Monitor 19 cali\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536852\", \"deadline_at\": \"2026-11-05T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T13:45:00Z\"}",
            "content_hash": "60a391238741a01be99eb8c149f1d0a147998f8fec45251fe040cd81ba9c92f1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1a67f729fc3af96727b86c0020a136c62d14a78bb6cd47ba882890399b65850a",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T16:45:17Z",
            "content": "{\"cpv\": \"30200000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536852/monitor-19-cali-1\", \"buyer\": \"PKP TELKOL SP. Z O.O.\", \"title\": \"Monitor 19 cali\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536852\", \"deadline_at\": \"2026-11-05T12:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T13:45:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536852/monitor-19-cali-1\"}",
            "content_hash": "40e27b412f0f82d3297811061e427b0d53a4495162d00e1d24c5556f10f0f28a",
            "prev_hash": "1a67f729fc3af96727b86c0020a136c62d14a78bb6cd47ba882890399b65850a",
            "hash": "1a7b9cf23b8780631e484b54e4df3541aac57cf9ee298b89658433ae3ee74284",
            "actor": null,
            "seal": null
        }
    ]
}