{
    "tender_id": 4812751,
    "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": "2026-11-02T18:57:03Z",
            "content": "{\"cpv\": \"31600000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402101\", \"buyer\": \"2 Wojskowy Oddział Gospodarczy\", \"title\": \"Dielektryki _ rękawice i chodniki\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402101\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:26:00Z\", \"notice_number\": \"1402101\"}",
            "content_hash": "4b04cf6840e670df229ac9655b7f1d94c19aef51485c2a48b03a1cd796ff9e2d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cbc79130a0944eb99f9a734e1c5888f2895494a2c8d20a2e5766fc62b04ef996",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T19:33:11Z",
            "content": "{\"cpv\": \"31600000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402101\", \"buyer\": \"2 Wojskowy Oddział Gospodarczy\", \"title\": \"Dielektryki _ rękawice i chodniki\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402101\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:26:00Z\", \"notice_number\": \"1402101\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866311/dielektryki-_-rekawice-i-chodniki\"}",
            "content_hash": "f05347847040eef32105d0387a913d69850c3c47ee5ffdc9b097dae471b6c02d",
            "prev_hash": "cbc79130a0944eb99f9a734e1c5888f2895494a2c8d20a2e5766fc62b04ef996",
            "hash": "96cbbc3c256df6faf01726f8d17a73bb16c23e659fc79eb1b82c87aab6d64e19",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T21:45:57Z",
            "content": "{\"cpv\": \"31600000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402101\", \"buyer\": \"2 Wojskowy Oddział Gospodarczy\", \"title\": \"Dielektryki _ rękawice i chodniki\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402101\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:26:00Z\", \"notice_number\": \"1402101\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402101\"}",
            "content_hash": "39553a9b578e960f8de65e510f1d68d29d02cd5315f22c8bd768b012b17ae38b",
            "prev_hash": "96cbbc3c256df6faf01726f8d17a73bb16c23e659fc79eb1b82c87aab6d64e19",
            "hash": "2c1ac5d9773df7ee65ebeb62e90e8f4c5065de6cef8ced68ce2ca5a6f683f1c5",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}