{
    "tender_id": 4059569,
    "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": "2026-10-30T01:35:25Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862036/zakup-i-dostawa-materia-ow-chemii-przemys-owej-i-tasm-teflonowych-nlz-mm-2110-157-2026\", \"buyer\": \"ENEA Wytwarzanie sp. z o.o.\", \"title\": \"ZAKUP I DOSTAWA MATERIAŁÓW CHEMII PRZEMYSŁOWEJ I TAŚM TEFLONOWYCH NLZ-MM.2110.157.2026\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862036\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:26Z\"}",
            "content_hash": "7c8919133d6dc9ededc19434dcb963dd26c0a7a5cd07ec728d9fb06668fbab85",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a05ab949fa0eca8ea4018c55d27999443376fbe2e7974a1977c23ac89f7ea787",
            "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": "2026-10-30T01:45:37Z",
            "content": "{\"cpv\": \"30192000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862036/zakup-i-dostawa-materia-ow-chemii-przemys-owej-i-tasm-teflonowych-nlz-mm-2110-157-2026\", \"buyer\": \"ENEA Wytwarzanie sp. z o.o.\", \"title\": \"ZAKUP I DOSTAWA MATERIAŁÓW CHEMII PRZEMYSŁOWEJ I TAŚM TEFLONOWYCH NLZ-MM.2110.157.2026\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862036\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:26Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1670144,38d58df9f76ad342c97917474ba50cb2.html\"}",
            "content_hash": "eaa89c2fd0b164322592e17c8755d71d1c2593edf431d54f91bf6561c0911331",
            "prev_hash": "a05ab949fa0eca8ea4018c55d27999443376fbe2e7974a1977c23ac89f7ea787",
            "hash": "564f7b5c0184ee5a204a127ec7870a2a3b333ca2540ce6051ebd844ff2b47268",
            "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
            }
        }
    ]
}