{
    "tender_id": 7154545,
    "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": "2026-11-13T19:37:41Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1409158\", \"buyer\": \"Komenda Wojewódzka Policji w Poznaniu\", \"title\": \"Pałka teleskopowa\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1409158\", \"deadline_at\": \"2026-11-18T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-13T10:20:00Z\", \"notice_number\": \"1409158\"}",
            "content_hash": "48fc191224fe895b299d60112f094007ca87963699cbee08cc38da0213852c31",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "634eac3f63bed39779215bcac655a72215ff42e46c268a3a39d188120c007a7d",
            "actor": null,
            "seal": {
                "id": 21,
                "digest": "9f5cc628e20cec4e7a4adf4979e6b8d5416f11dcd193f37905493253afb6d07f",
                "file": "https://tenderiq.pl/rejestr/pieczec-21.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-21.txt.ots",
                "bitcoin_block": 975729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-13T19:45:29Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1409158\", \"buyer\": \"Komenda Wojewódzka Policji w Poznaniu\", \"title\": \"Pałka teleskopowa\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1409158\", \"deadline_at\": \"2026-11-18T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-13T10:20:00Z\", \"notice_number\": \"1409158\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3894323/palka-teleskopowa\"}",
            "content_hash": "ac0f971fc91930cfad1c5894d6eecda26d1321048a43beff5e56eddcc9caa407",
            "prev_hash": "634eac3f63bed39779215bcac655a72215ff42e46c268a3a39d188120c007a7d",
            "hash": "a6ffbfa68858875254c15c59e577a67ff1c1d76e40b0db870c295324eba73ab4",
            "actor": null,
            "seal": {
                "id": 21,
                "digest": "9f5cc628e20cec4e7a4adf4979e6b8d5416f11dcd193f37905493253afb6d07f",
                "file": "https://tenderiq.pl/rejestr/pieczec-21.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-21.txt.ots",
                "bitcoin_block": 975729
            }
        }
    ]
}