{
    "tender_id": 5356837,
    "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": "2026-11-05T05:49:25Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3874449/zakup-materialow-do-prac-biurowych\", \"buyer\": \"KOLEJE MAZOWIECKIE - KM SP. Z O.O.\", \"title\": \"Zakup materiałów do prac biurowych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3874449\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T05:49:25Z\"}",
            "content_hash": "90ad308fa17fbcdf82ad371b25bea919cfc16872fb662e81a4d6b936dfdf52a9",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b99190b6bb07ee08b0b5ad8c671b752602d8b26dca74938e923e98fee3a75feb",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-05T06:45:53Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3874449/zakup-materialow-do-prac-biurowych\", \"buyer\": \"KOLEJE MAZOWIECKIE - KM SP. Z O.O.\", \"title\": \"Zakup materiałów do prac biurowych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3874449\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T05:49:25Z\", \"procedure_url\": \"https://km.eb2b.com.pl/open-preview-auction.html/537018/zakup-materialow-do-prac-biurowych\"}",
            "content_hash": "2c17c947930a8d11fe4da0ac4630467d47fea478ab37accd02e2e9fffc48a867",
            "prev_hash": "b99190b6bb07ee08b0b5ad8c671b752602d8b26dca74938e923e98fee3a75feb",
            "hash": "c5df0cfb663752863c3da84ca9e04c0064b5fdde10e094da0adfd5cd81076078",
            "actor": null,
            "seal": {
                "id": 13,
                "digest": "88eaa47ed54f178cca07f94ec9f0c5d48c105c008cf249a9e53ac4ca63161903",
                "file": "https://tenderiq.pl/rejestr/pieczec-13.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-13.txt.ots",
                "bitcoin_block": 974729
            }
        }
    ]
}