{
    "tender_id": 4095899,
    "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": "2026-10-30T06:14:55Z",
            "content": "{\"cpv\": \"37535200\", \"url\": \"https://www.przetargi.egospodarka.pl/20050879501_Aktywne-place-zabaw_2026_2.html\", \"buyer\": \"Miasto i Gmina Pilawa\", \"title\": \"Aktywne place zabaw\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Pilawa\", \"source_id\": \"20050879501\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\"}",
            "content_hash": "99b54da1643d04b6e388c7eb24cdfdb0c3990607942c810e7c4bf654474797c3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f8f840dd300844327e8d4d5b48e505753eb6c139079627d383ed38e0e6f2aa4d",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T06:45:40Z",
            "content": "{\"cpv\": \"37535200\", \"url\": \"https://www.przetargi.egospodarka.pl/20050879501_Aktywne-place-zabaw_2026_2.html\", \"buyer\": \"Miasto i Gmina Pilawa\", \"title\": \"Aktywne place zabaw\", \"region\": \"mazowieckie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Pilawa\", \"source_id\": \"20050879501\", \"deadline_at\": \"2026-11-16T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://pilawa.ezamawiajacy.pl/pn/pilawa/demand/notice/public/240980/details\"}",
            "content_hash": "becdbb8f82a976cb40a139f7615e4b19101cb5d96e7a36e9b4e2db274830db74",
            "prev_hash": "f8f840dd300844327e8d4d5b48e505753eb6c139079627d383ed38e0e6f2aa4d",
            "hash": "c3fc42e96b8a6d9af0d54606bab8589e1e98d10d4ff57e4bae313d166aa42fc4",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}