{
    "tender_id": 4095990,
    "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": "2026-10-30T06:15:07Z",
            "content": "{\"cpv\": \"45100000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050842201_Budowa-budynku-filii-Krosnienskiej-Biblioteki-Publicznej-w-dzielnicy-Turaszowka_2026_2.html\", \"buyer\": \"Gmina Miasto Krosno\", \"title\": \"Budowa budynku filii Krośnieńskiej Biblioteki Publicznej w dzielnicy Turaszówka\", \"region\": \"podkarpackie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Krosno\", \"source_id\": \"20050842201\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\"}",
            "content_hash": "af34efcc304d67ca4a800758ca94e9712dca7bbc56a9a07a762e796773b69ca5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "87992a3c70e03c623b11859913f39fa2a7382d998bb88fe74dcfa06591936b65",
            "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": "2026-10-30T06:45:41Z",
            "content": "{\"cpv\": \"45100000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050842201_Budowa-budynku-filii-Krosnienskiej-Biblioteki-Publicznej-w-dzielnicy-Turaszowka_2026_2.html\", \"buyer\": \"Gmina Miasto Krosno\", \"title\": \"Budowa budynku filii Krośnieńskiej Biblioteki Publicznej w dzielnicy Turaszówka\", \"region\": \"podkarpackie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Krosno\", \"source_id\": \"20050842201\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1397959\"}",
            "content_hash": "33f606b166bc7bcf717f3e2757e55c3fb4c7bd5cbe60d9a7f3b720f9220c06b7",
            "prev_hash": "87992a3c70e03c623b11859913f39fa2a7382d998bb88fe74dcfa06591936b65",
            "hash": "1c2539a2dd58f86494d112050f86d854065a946b80754af937dcef93ee9a58a1",
            "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
            }
        }
    ]
}