{
    "tender_id": 7148923,
    "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": "2026-11-13T18:31:56Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/243723/details\", \"buyer\": \"Miasto Stołeczne Warszawa Dzielnica Bemowo\", \"title\": \"Zakup licencji oprogramowania biurowego\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243723\", \"deadline_at\": \"2026-11-23T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-13T13:37:00Z\"}",
            "content_hash": "6f784b04a3c85ceb81b160938703ecc451b302807183782d557a606d33e335ad",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ae5b07cf4c4a46d13a57fd6c9a2bc1e510c0d326aee904c2399978caf6d68a56",
            "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": "2026-11-13T18:45:43Z",
            "content": "{\"cpv\": \"48000000\", \"url\": \"https://zamowienia.um.warszawa.pl/pn/umw/demand/notice/public/243723/details\", \"buyer\": \"Miasto Stołeczne Warszawa Dzielnica Bemowo\", \"title\": \"Zakup licencji oprogramowania biurowego\", \"region\": \"mazowieckie\", \"source\": \"zamowienia_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243723\", \"deadline_at\": \"2026-11-23T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-13T13:37:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3894526/zakup-licencji-oprogramowania-biurowego\"}",
            "content_hash": "d2461372807f9ec771080f00c4cdfbe346a1fd8578036957b0e7826b82aa121b",
            "prev_hash": "ae5b07cf4c4a46d13a57fd6c9a2bc1e510c0d326aee904c2399978caf6d68a56",
            "hash": "48fb5d62751fde5dfbf64dec870d834dc829e4f9aae48cb7827a79109504a71b",
            "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
            }
        }
    ]
}