{
    "tender_id": 5142161,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T07:13:20Z",
            "content": "{\"cpv\": \"90511000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766985-2026\", \"buyer\": \"Gmina Płużnica\", \"title\": \"Polska – Usługi wywozu odpadów – Odbiór i zagospodarowanie stałych odpadów komunalnych z terenu Gminy Płużnica na rok 2027 - II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"90512000\", \"90513100\", \"90500000\", \"90533000\", \"90514000\"], \"location\": \"PL616, POL, PL616, POL\", \"buyer_nip\": \"8781751431\", \"source_id\": \"766985-2026\", \"deadline_at\": \"2026-12-11T12:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\"}",
            "content_hash": "45e5f51907ff8461e44c225be4efb2615bf84c194776494670584c09dac30be1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e84f09ba156f1657bf009842787d1840cc4b2cdf5909c4160892ea464d212392",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T10:46:25Z",
            "content": "{\"cpv\": \"90511000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766985-2026\", \"buyer\": \"Gmina Płużnica\", \"title\": \"Polska – Usługi wywozu odpadów – Odbiór i zagospodarowanie stałych odpadów komunalnych z terenu Gminy Płużnica na rok 2027 - II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"90512000\", \"90513100\", \"90500000\", \"90533000\", \"90514000\"], \"location\": \"PL616, POL, PL616, POL\", \"buyer_nip\": \"8781751431\", \"source_id\": \"766985-2026\", \"deadline_at\": \"2026-12-11T12:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/766985-2026\"}",
            "content_hash": "2b379eed9c143bd6e7300c2e3f7f14dcd814425135f4727a999ea997b9c116fd",
            "prev_hash": "e84f09ba156f1657bf009842787d1840cc4b2cdf5909c4160892ea464d212392",
            "hash": "1a4f9a064b240f33b20286875b3e07c23bfdae113c2647e51c277a76162f51b1",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T21:45:38Z",
            "content": "{\"cpv\": \"90511000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766985-2026\", \"buyer\": \"Gmina Płużnica\", \"title\": \"Polska – Usługi wywozu odpadów – Odbiór i zagospodarowanie stałych odpadów komunalnych z terenu Gminy Płużnica na rok 2027 - II postępowanie\", \"region\": \"kujawsko-pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"90512000\", \"90513100\", \"90500000\", \"90533000\", \"90514000\"], \"location\": \"PL616, POL, PL616, POL\", \"buyer_nip\": \"8781751431\", \"source_id\": \"766985-2026\", \"deadline_at\": \"2026-12-11T12:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402637\"}",
            "content_hash": "7624e9efc6b238a0d5bec9b91cd2fc89120ad49df6de60174f239614cc45803d",
            "prev_hash": "1a4f9a064b240f33b20286875b3e07c23bfdae113c2647e51c277a76162f51b1",
            "hash": "cfb92f2b7458a8681a8c93ebe1f11b936ed404f63bd0adca85fb273022efad6f",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}