{
    "tender_id": 6289130,
    "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": "2026-11-10T06:49:26Z",
            "content": "{\"cpv\": \"90470000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885061/odmulanie-rowow\", \"buyer\": \"Polskie Towarzystwo Ochrony Ptaków\", \"title\": \"Odmulanie rowów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3885061\", \"deadline_at\": \"2026-11-16T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T06:49:27Z\"}",
            "content_hash": "b68b418a5382b5e43c9caf274ae10520dc3b22c7f4b83ffab7aced854650048b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "0b1d00a3dd15f0e64cdc5c0d7286aba3594b87ab826fd059fd26b5e0e95fe6f3",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T07:46:21Z",
            "content": "{\"cpv\": \"90470000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885061/odmulanie-rowow\", \"buyer\": \"Polskie Towarzystwo Ochrony Ptaków\", \"title\": \"Odmulanie rowów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3885061\", \"deadline_at\": \"2026-11-16T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T06:49:27Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885061/odmulanie-rowow\"}",
            "content_hash": "d3e1de158981006d4206a18cc2f81d284b373431aa3c623a592f9fe3452c7845",
            "prev_hash": "0b1d00a3dd15f0e64cdc5c0d7286aba3594b87ab826fd059fd26b5e0e95fe6f3",
            "hash": "0005ef51957e30ac7563abe40a4698cdf9eaf0c301bba469b95df47184f69edb",
            "actor": null,
            "seal": null
        }
    ]
}