{
    "tender_id": 5042985,
    "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": "2026-11-03T20:21:00Z",
            "content": "{\"cpv\": \"31154000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402739\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"GMT.UT.I.2310-86/2026 Dostawa przenośnej stacji zasilania.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402739\", \"deadline_at\": \"2026-11-06T08:58:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T09:03:00Z\", \"notice_number\": \"1402739\"}",
            "content_hash": "3885a80992ca598c96e8fd017111c31dc957d3203851c67bc0246b0765ec8257",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2205c46d6513b436c05ad3cae69a89740b6a48d46f553a87e08b924166c9e431",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T20:45:27Z",
            "content": "{\"cpv\": \"31154000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402739\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"GMT.UT.I.2310-86/2026 Dostawa przenośnej stacji zasilania.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402739\", \"deadline_at\": \"2026-11-06T08:58:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T09:03:00Z\", \"notice_number\": \"1402739\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869180/dostawa-przenosnej-stacji-zasilania-\"}",
            "content_hash": "12a9433c77d5a5c98f29e6f1cb9b0c96e2a5862ccffa1d8631a14cf7f994f614",
            "prev_hash": "2205c46d6513b436c05ad3cae69a89740b6a48d46f553a87e08b924166c9e431",
            "hash": "a3bfb9c60184992251d044ff6f0344349d0c77010442289eabbdb5f5dea76052",
            "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
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T21:46:02Z",
            "content": "{\"cpv\": \"31154000\", \"url\": \"https://platformazakupowa.pl/transakcja/1402739\", \"buyer\": \"Komenda Wojewódzka Policji w Opolu\", \"title\": \"GMT.UT.I.2310-86/2026 Dostawa przenośnej stacji zasilania.\", \"region\": \"zachodniopomorskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1402739\", \"deadline_at\": \"2026-11-06T08:58:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T09:03:00Z\", \"notice_number\": \"1402739\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1402739\"}",
            "content_hash": "905a24073ab8eaf3daeddf59ec99168222760f830c9240a40d0fcf78c1e1dbfd",
            "prev_hash": "a3bfb9c60184992251d044ff6f0344349d0c77010442289eabbdb5f5dea76052",
            "hash": "6f3f384e882542db8b801eaa008cebfc3e81420dbc614f30ed4da428c329750e",
            "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
            }
        }
    ]
}