{
    "tender_id": 4322482,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-31T10:16:25Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865063/zap-mteta-2026-018503-zestaw-uszczelnien-ebara\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTETA/2026/018503 - zestaw uszczelnień EBARA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865063\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\"}",
            "content_hash": "af16c68f645dd95b0f026552d06d6c320d94afd1973aa1fb5cf2a3a622f94f7c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "56f542b7774b64bfcb40e0f985b5d69de3f962f52426e2e0d19a168e5c90c08b",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T10:45:45Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865063/zap-mteta-2026-018503-zestaw-uszczelnien-ebara\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTETA/2026/018503 - zestaw uszczelnień EBARA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865063\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,8b9e54e240ba62ceb76aa4c68479b4c9.html\"}",
            "content_hash": "4fcca5bf89fbe4fd70283ce847f0525ee39774c04615f3f77086cb9e7fd9361b",
            "prev_hash": "56f542b7774b64bfcb40e0f985b5d69de3f962f52426e2e0d19a168e5c90c08b",
            "hash": "1fd1efcf6ea9681f9edac4eb54d2b4361517b9b02f29af275929978ca7d20df0",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-02T14:45:34Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865063/zap-mteta-2026-018503-zestaw-uszczelnien-ebara\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTETA/2026/018503 - zestaw uszczelnień EBARA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865063\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864585/zap-mteta-2026-018503-zestaw-uszczelnien-ebara-z1627-5-1\"}",
            "content_hash": "342f9fff148bdb6c985dc6e016f8d72f3428bbfcebc92d4a35a5fda19bb445c2",
            "prev_hash": "1fd1efcf6ea9681f9edac4eb54d2b4361517b9b02f29af275929978ca7d20df0",
            "hash": "42bad0843ccca8899198600c137ae4127f2008847f6a1d83f9c8ef562631c163",
            "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": null
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-02T18:45:28Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865063/zap-mteta-2026-018503-zestaw-uszczelnien-ebara\", \"buyer\": \"Bruk-Bet Sp. Z o.o.\", \"title\": \"ZAP/MTETA/2026/018503 - zestaw uszczelnień EBARA\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865063\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\", \"procedure_url\": \"https://bruk-bet.logintrade.net/portal,szczegolyZapytaniaOfertowe,8b9e54e240ba62ceb76aa4c68479b4c9.html\"}",
            "content_hash": "4fcca5bf89fbe4fd70283ce847f0525ee39774c04615f3f77086cb9e7fd9361b",
            "prev_hash": "42bad0843ccca8899198600c137ae4127f2008847f6a1d83f9c8ef562631c163",
            "hash": "19ed736de87ec898bfe178e8eb3d91c4e462c98a7cecc7afc12c4e57433568ba",
            "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": null
            }
        }
    ]
}