{
    "tender_id": 4772749,
    "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": "2026-11-02T13:00:15Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866327/materialy-szkoleniowe-biurowe-\", \"buyer\": \"Centrum Szkolenia Policji\", \"title\": \"Materiały szkoleniowe (biurowe)\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3866327\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:15Z\"}",
            "content_hash": "13b57a9eb6975164a6a03b752507ea7d203b7dee6061fe39c6c75f1070020c0d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "068152c849de4c0ce26930d24b92d49aee21e783e6e4e6f107c4908c77d7a592",
            "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\": \"30190000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866327/materialy-szkoleniowe-biurowe-\", \"buyer\": \"Centrum Szkolenia Policji\", \"title\": \"Materiały szkoleniowe (biurowe)\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3866327\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:15Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866327/materialy-szkoleniowe-biurowe-\"}",
            "content_hash": "86f501703e8712ae619def3b667db8c166e7a2c8e503591f1fb202711551fe38",
            "prev_hash": "068152c849de4c0ce26930d24b92d49aee21e783e6e4e6f107c4908c77d7a592",
            "hash": "ba0d420992df80239a9565e1de0aad2c7b02ba53b79c399e966b48be311b8e49",
            "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
            }
        }
    ]
}