{
    "tender_id": 3348365,
    "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": "2026-10-26T08:31:32Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738755-2026\", \"buyer\": \"Szpital Specjalistyczny w Kościerzynie sp. z o.o.\", \"title\": \"Polska – Roboty budowlane – DZP/32/26 PRZEBUDOWA UJĘCIA WODY W PLACÓWCE W DZIRŻĄŻNIE\", \"region\": \"pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL637, POL, PL637, POL\", \"buyer_nip\": \"5911694694\", \"source_id\": \"738755-2026\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "b568057f7295471b87729c3bc502858b064747befa6fa5649db1fcec2af1cf3d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1021eab4a7c725b2f3630866ea658617fffdc458b6bea20c58f0d309085bc4f5",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:36:14Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738755-2026\", \"buyer\": \"Szpital Specjalistyczny w Kościerzynie sp. z o.o.\", \"title\": \"Polska – Roboty budowlane – DZP/32/26 PRZEBUDOWA UJĘCIA WODY W PLACÓWCE W DZIRŻĄŻNIE\", \"region\": \"pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL637, POL, PL637, POL\", \"buyer_nip\": \"5911694694\", \"source_id\": \"738755-2026\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/527458/dzp-32-26-przebudowa-ujecia-wody-w-placowce-w-dzirzaznie\"}",
            "content_hash": "3cd04b64b24fff532782fd6b707dcb0143e08c4ccbf76829d8446ae60c1bf632",
            "prev_hash": "1021eab4a7c725b2f3630866ea658617fffdc458b6bea20c58f0d309085bc4f5",
            "hash": "3285a7d164af5ba037b9861be4b1c5eebd1f076f2c9bca19d0b030068225905d",
            "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": 3,
            "recorded_at": "2026-10-27T11:34:15Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738755-2026\", \"buyer\": \"Szpital Specjalistyczny w Kościerzynie sp. z o.o.\", \"title\": \"Polska – Roboty budowlane – DZP/32/26 PRZEBUDOWA UJĘCIA WODY W PLACÓWCE W DZIRŻĄŻNIE\", \"region\": \"pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL637, POL, PL637, POL\", \"buyer_nip\": \"5911694694\", \"source_id\": \"738755-2026\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\", \"procedure_url\": \"https://szpital-koscierzyna.eb2b.com.pl/open-preview-auction.html/527458/dzp-32-26-przebudowa-ujecia-wody-w-placowce-w-dzirzaznie\"}",
            "content_hash": "c19a8e0d0e199e1829d50c73309deae6ca4fb949c274b937f1b505fffcec532b",
            "prev_hash": "3285a7d164af5ba037b9861be4b1c5eebd1f076f2c9bca19d0b030068225905d",
            "hash": "a26ed166a77a609cd73eb5cdf3e3949f5a117968ca4d44c3169e9b808e0fc450",
            "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
            }
        }
    ]
}