{
    "tender_id": 1248196,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2605-72a6-8f1c-5997-b20001063ef7\", \"buyer\": \"GMINA LUBIN\", \"title\": \"USŁUGI UBEZPIECZENIOWE NA RZECZ GMINY LUBIN I JEJ JEDNOSTEK ORGANIZACYJNYCH W OKRESIE OD 01.01.2027 R. DO 31.12.2027 R.\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Lubin, dolnośląskie\", \"source_id\": \"2026/BZP 00480938/01\", \"deadline_at\": \"2026-10-30T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-09T13:01:35Z\", \"notice_number\": \"2026/BZP 00480938/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1389322\"}",
            "content_hash": "82d49aaf0891869273c96fa6049a46361c138243ab14b984bc6a156c89c180eb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a1a0089cc836c499520073749073c94248f0adfb893a823275c819013ba97ebb",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T15:30:06Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df2605-72a6-8f1c-5997-b20001063ef7\", \"buyer\": \"GMINA LUBIN\", \"title\": \"USŁUGI UBEZPIECZENIOWE NA RZECZ GMINY LUBIN I JEJ JEDNOSTEK ORGANIZACYJNYCH W OKRESIE OD 01.01.2027 R. DO 31.12.2027 R.\", \"region\": \"dolnoslaskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Lubin, dolnośląskie\", \"source_id\": \"2026/BZP 00480938/01\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-09T13:01:35Z\", \"notice_number\": \"2026/BZP 00480938/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1389322\"}",
            "content_hash": "615b86e70e80c441b7e81219180e449e3daaecdf0f3fd166fb796c8d2900bfe3",
            "prev_hash": "a1a0089cc836c499520073749073c94248f0adfb893a823275c819013ba97ebb",
            "hash": "d28d625da46e7d38aa0ba3ad7abe55a56da82d332615ed7688da184df2a07c52",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}