{
    "tender_id": 4754003,
    "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": "2026-11-02T09:51:00Z",
            "content": "{\"cpv\": \"33631600\", \"url\": \"https://platformazakupowa.pl/transakcja/1401921\", \"buyer\": \"Wojewódzki Szpital Specjalistyczny im. J. Gromkowskiego\", \"title\": \"Dostawa środków do dezynfekcji\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401921\", \"deadline_at\": \"2026-12-03T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T08:21:00Z\", \"notice_number\": \"1401921\"}",
            "content_hash": "5d86ec7d4ab92ba8bd8f64eb534af3c6fe3f5112b223a30c162bc0b40533a788",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "15eca0dc7d1a75906e27a931c5c8fef659270ce0514cf2369ea8bbc8e2451d50",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:03Z",
            "content": "{\"cpv\": \"33631600\", \"url\": \"https://platformazakupowa.pl/transakcja/1401921\", \"buyer\": \"Wojewódzki Szpital Specjalistyczny im. J. Gromkowskiego\", \"title\": \"Dostawa środków do dezynfekcji\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1401921\", \"deadline_at\": \"2026-12-03T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T08:21:00Z\", \"notice_number\": \"1401921\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401921\"}",
            "content_hash": "b5b1442f230c325193e6a921b774497f3afb610d0b5b530498746bb0cf8b69f5",
            "prev_hash": "15eca0dc7d1a75906e27a931c5c8fef659270ce0514cf2369ea8bbc8e2451d50",
            "hash": "024d36309c035cf117246700e714986d0b272b8311a51141c4c1c3d3fcad2aee",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}