{
    "tender_id": 4139225,
    "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": "2026-10-30T13:44:28Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863235/montaz-haka-holowniczego\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"Montaż haka holowniczego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863235\", \"deadline_at\": \"2026-11-03T08:55:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:28Z\"}",
            "content_hash": "00b4f10c5ba1e7cd4e548edc54c75b78a9b6db977999b62a32337ac1159a3454",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8017673e469c730b0867539ab8b6700fe3df7bd7805ca6b765b980131b99a8ec",
            "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": 2,
            "recorded_at": "2026-10-30T13:45:40Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863235/montaz-haka-holowniczego\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"Montaż haka holowniczego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863235\", \"deadline_at\": \"2026-11-03T08:55:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:28Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401161\"}",
            "content_hash": "0d0d289e0692322b82c87b9430b3a3a0e348ffbf42526f88254af786d58f04da",
            "prev_hash": "8017673e469c730b0867539ab8b6700fe3df7bd7805ca6b765b980131b99a8ec",
            "hash": "920187a5690600ae394a823cfb88071a04cd60dee57eba484fa1999442187f54",
            "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": "2026-11-03T01:58:12Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863235/montaz-haka-holowniczego\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"Montaż haka holowniczego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863235\", \"deadline_at\": \"2026-11-03T08:55:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:28Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401161\"}",
            "content_hash": "8ec45657ff8c820ed0db8053d5a74ce5451f98eb419d68dc7a2b15e571ec2e76",
            "prev_hash": "920187a5690600ae394a823cfb88071a04cd60dee57eba484fa1999442187f54",
            "hash": "12086c608f6712cdbcadd6609ae8a467c6bdf71a61cbf31f4a4d1d1c11e307dd",
            "actor": null,
            "seal": null
        }
    ]
}