{
    "tender_id": 3931344,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-10-29T11:15:35Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\", \"buyer\": \"NARODOWY BANK POLSKI\", \"title\": \"Sukcesywne dostawy mebli biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860563\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:35Z\"}",
            "content_hash": "62a0f38e5f7b0f00dac0ed1e58bf8cb22a5c2c7431f466b6527598a64041faf3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "db089d0156f71b6cef077de94635e9cfcb7704c80594f13e0ffcfa8dfe7b6b0d",
            "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": "2026-10-30T03:45:24Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\", \"buyer\": \"NARODOWY BANK POLSKI\", \"title\": \"Sukcesywne dostawy mebli biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860563\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:35Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\"}",
            "content_hash": "857f72eeb9a78e4d9eed4799316f75de0fce64e640c68b6e623208fef2e99ff7",
            "prev_hash": "db089d0156f71b6cef077de94635e9cfcb7704c80594f13e0ffcfa8dfe7b6b0d",
            "hash": "f25264d198b679fc589837f4d12d4ff5eaa7b637512f19f9374b915ddee55829",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T04:45:55Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\", \"buyer\": \"NARODOWY BANK POLSKI\", \"title\": \"Sukcesywne dostawy mebli biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860563\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:35Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/753776-2026\"}",
            "content_hash": "4573f5d2c59c2d4aaa760740e46e0b39f2da3dac96abea3bf78775235fe43d8b",
            "prev_hash": "f25264d198b679fc589837f4d12d4ff5eaa7b637512f19f9374b915ddee55829",
            "hash": "a8c542d85b5217ade58dc1d06770ad101dec3a7c72594c0e2e1b89c42e33ae59",
            "actor": null,
            "seal": null
        },
        {
            "version": 4,
            "recorded_at": "2026-10-31T10:45:57Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\", \"buyer\": \"NARODOWY BANK POLSKI\", \"title\": \"Sukcesywne dostawy mebli biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860563\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:35Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\"}",
            "content_hash": "857f72eeb9a78e4d9eed4799316f75de0fce64e640c68b6e623208fef2e99ff7",
            "prev_hash": "a8c542d85b5217ade58dc1d06770ad101dec3a7c72594c0e2e1b89c42e33ae59",
            "hash": "f225b768575aaa2ef0eaae4f2ea38b0078c9ebfd041c5927a329ab203578cc1b",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T17:45:26Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860563/sukcesywne-dostawy-mebli-biurowych\", \"buyer\": \"NARODOWY BANK POLSKI\", \"title\": \"Sukcesywne dostawy mebli biurowych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860563\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:15:35Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/753776-2026\"}",
            "content_hash": "4573f5d2c59c2d4aaa760740e46e0b39f2da3dac96abea3bf78775235fe43d8b",
            "prev_hash": "f225b768575aaa2ef0eaae4f2ea38b0078c9ebfd041c5927a329ab203578cc1b",
            "hash": "21be995d267cf0a3251584370520a87138ee448a5e4c45166d41317999a6ee4e",
            "actor": null,
            "seal": null
        }
    ]
}