{
    "tender_id": 5511317,
    "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": "2026-11-06T01:38:21Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://damel.logintrade.net/portal,szczegolyZapytaniaOfertowe,697390a85289eb58487952813e235edc.html\", \"buyer\": \"Dąbrowska Fabryka Maszyn Elektrycznych ,,Damel\\\" S.A\", \"title\": \"BLACHA STALOWA S355+N\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"damel-697390a85289eb58487952813e235edc\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T13:10:00Z\"}",
            "content_hash": "63299361f78bf73b59e8d561e5e75c313cc981e6e75dbf5c8ae99049a39dc8ad",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "73d6df80a6371420bf83e57d8d89d6086bdf6f750d19e516b85e4a4aea8d2dcf",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-06T04:45:57Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://damel.logintrade.net/portal,szczegolyZapytaniaOfertowe,697390a85289eb58487952813e235edc.html\", \"buyer\": \"Dąbrowska Fabryka Maszyn Elektrycznych ,,Damel\\\" S.A\", \"title\": \"BLACHA STALOWA S355+N\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"damel-697390a85289eb58487952813e235edc\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T13:10:00Z\", \"procedure_url\": \"https://damel.logintrade.net/portal,szczegolyZapytaniaOfertowe,697390a85289eb58487952813e235edc.html\"}",
            "content_hash": "c7a1d86379131d47573495010bd6d69f2cae13591d7d8189851a5a7437b7d4e6",
            "prev_hash": "73d6df80a6371420bf83e57d8d89d6086bdf6f750d19e516b85e4a4aea8d2dcf",
            "hash": "caa1471b4b2599df5e943286483482f52421df9c2ce7a599cad42dc6b580e54c",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        }
    ]
}