{
    "tender_id": 6931775,
    "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": "2026-11-12T20:01:36Z",
            "content": "{\"cpv\": \"44510000\", \"url\": \"https://platformazakupowa.pl/transakcja/1408659\", \"buyer\": \"Akademia Policji w Szczytnie\", \"title\": \"Dostawa narzędzi i elektronarzędzi\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1408659\", \"deadline_at\": \"2026-11-17T07:10:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T13:15:00Z\", \"notice_number\": \"1408659\"}",
            "content_hash": "19e2eaae80df517e469f8495d6c2ce11af5333519b26144114ed982ddc0fef32",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ce4eed35cdfab17a1376a94f9c1a0c04e50b22d7f28ac340607834c01e45055e",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-12T20:45:53Z",
            "content": "{\"cpv\": \"44510000\", \"url\": \"https://platformazakupowa.pl/transakcja/1408659\", \"buyer\": \"Akademia Policji w Szczytnie\", \"title\": \"Dostawa narzędzi i elektronarzędzi\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1408659\", \"deadline_at\": \"2026-11-17T07:10:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T13:15:00Z\", \"notice_number\": \"1408659\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3891914/dostawa-narzedzi-i-elektronarzedzi\"}",
            "content_hash": "a976015c9f5bcb839bbb6d23495ab2af974e208d707c48de9ff78628658ee499",
            "prev_hash": "ce4eed35cdfab17a1376a94f9c1a0c04e50b22d7f28ac340607834c01e45055e",
            "hash": "d4b79c3b2fea85de5376d1e2cf792f8c411ded61803d858932f2b6dde1fc69d9",
            "actor": null,
            "seal": null
        }
    ]
}