{
    "tender_id": 4105297,
    "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": "2026-10-30T07:34:33Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862762/dostawa-olejow-i-smarow-eksploatacyjnych-do-autobusow-marki-mercedes-i-solaris-2-zadania\", \"buyer\": \"Miejskie Zakłady Komunikacyjne Spółka z o.o. w Bydgoszczy\", \"title\": \"DOSTAWA OLEJÓW I SMARÓW EKSPLOATACYJNYCH DO AUTOBUSÓW MARKI MERCEDES I SOLARIS – 2 ZADANIA\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862762\", \"deadline_at\": \"2026-11-13T09:50:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:34Z\"}",
            "content_hash": "103e1e47da6e2f8ab546bd9b9cb027c43a7056297c25609026bd3f4bda91a404",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "26800a598277e8cd5c4810b7db0670b1ee3531e0e229c9b5622c847f0fb8c6e6",
            "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": "2026-10-30T07:45:30Z",
            "content": "{\"cpv\": \"34100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862762/dostawa-olejow-i-smarow-eksploatacyjnych-do-autobusow-marki-mercedes-i-solaris-2-zadania\", \"buyer\": \"Miejskie Zakłady Komunikacyjne Spółka z o.o. w Bydgoszczy\", \"title\": \"DOSTAWA OLEJÓW I SMARÓW EKSPLOATACYJNYCH DO AUTOBUSÓW MARKI MERCEDES I SOLARIS – 2 ZADANIA\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862762\", \"deadline_at\": \"2026-11-13T09:50:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:34:34Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400994\"}",
            "content_hash": "d7ce23e06e66f7475107ff75c802b5a690a0c0abf3c8ab23195d954a49b916ee",
            "prev_hash": "26800a598277e8cd5c4810b7db0670b1ee3531e0e229c9b5622c847f0fb8c6e6",
            "hash": "43610040752409ea820174b1a2fce16bd65977f5c8f357c5f9721d697309ee42",
            "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
            }
        }
    ]
}