{
    "tender_id": 3724201,
    "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": "2026-10-28T04:54:03Z",
            "content": "{\"cpv\": \"31730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857301/dostawa-podchlorynu-sodu-w-kanistrach\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Dostawa podchlorynu sodu w kanistrach\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857301\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:04Z\"}",
            "content_hash": "c7be1ebef9670d186e09cd20c530cb64f401527a652cb98fb3870b57e09989da",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "708eef6c0db6c38cb3fe5cba94325f4b4c1a7b816ca11159017c64ff8b252225",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T05:45:48Z",
            "content": "{\"cpv\": \"31730000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857301/dostawa-podchlorynu-sodu-w-kanistrach\", \"buyer\": \"MPWIK W M. ST. WARSZAWIE S.A\", \"title\": \"Dostawa podchlorynu sodu w kanistrach\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857301\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:04Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535645/dostawa-podchlorynu-sodu-w-kanistrach-13\"}",
            "content_hash": "f40bc23104ef31a9706658d719ddd403878165f24ca4b76d3d01a1379e736b40",
            "prev_hash": "708eef6c0db6c38cb3fe5cba94325f4b4c1a7b816ca11159017c64ff8b252225",
            "hash": "c89659281684fdb0f40999614d94c73754edca690540299a2c3517716bb637ca",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}