{
    "tender_id": 5002777,
    "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": "2026-11-03T14:37:09Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869393/sonda-hydrostatyczna-aplisens\", \"buyer\": \"Komunalne Przedsiębiorstwo Wodociągów i Kanalizacji Spółka z o.o. w Nakle nad Notecią\", \"title\": \"Sonda hydrostatyczna Aplisens\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869393\", \"deadline_at\": \"2026-11-05T08:04:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:37:10Z\"}",
            "content_hash": "7723ef7ccad0e5fe3db9c75083f2694971abcd968dd01b6206bf7ee31bccafeb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "516a10d41416629457afe41f0d4841ff62f6bf58b412e7938ea202074a6ed870",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T14:45:47Z",
            "content": "{\"cpv\": \"38000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869393/sonda-hydrostatyczna-aplisens\", \"buyer\": \"Komunalne Przedsiębiorstwo Wodociągów i Kanalizacji Spółka z o.o. w Nakle nad Notecią\", \"title\": \"Sonda hydrostatyczna Aplisens\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869393\", \"deadline_at\": \"2026-11-05T08:04:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:37:10Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402884\"}",
            "content_hash": "ddcf7ac0a8249cc3612be0f743b7f2e0d08815c4764fbcc3fcf36756e1c59362",
            "prev_hash": "516a10d41416629457afe41f0d4841ff62f6bf58b412e7938ea202074a6ed870",
            "hash": "32c80fd57a6885d55cb0495537df286b3f2d6a506b1b2de3a30a910af70d5728",
            "actor": null,
            "seal": null
        }
    ]
}